PDFForm Class

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The PDFForm class offers PDF form management capabilities.

Class Name

SecurePDF_PDFForm

Procedural Interface

 securepdf_pdfform_open();
 securepdf_pdfform_close($res);
 securepdf_pdfform_register_callback($res, $id, $function);
 securepdf_pdfform_get_last_error($res);
 securepdf_pdfform_get_last_error_code($res);
 securepdf_pdfform_set($res, $id, $index, $value);
 securepdf_pdfform_get($res, $id, $index);
 securepdf_pdfform_do_addbitmap($res, $format, $bitmapbytes, $bitmapwidth, $bitmapheight, $width, $height);
 securepdf_pdfform_do_addbutton($res, $name, $caption);
 securepdf_pdfform_do_addcaption($res, $caption);
 securepdf_pdfform_do_addcheckbox($res, $name, $defaultvalue);
 securepdf_pdfform_do_addcombobox($res, $name, $options, $defaultvalue);
 securepdf_pdfform_do_adddrawing($res, $format, $drawingbytes, $width, $height);
 securepdf_pdfform_do_addlistbox($res, $name, $options, $defaultvalue);
 securepdf_pdfform_do_addnewpage($res, $pageindex);
 securepdf_pdfform_do_addradiobutton($res, $radiogroup, $name, $isdefaultbutton);
 securepdf_pdfform_do_addtextbox($res, $name, $defaultvalue, $password);
 securepdf_pdfform_do_close($res);
 securepdf_pdfform_do_config($res, $configurationstring);
 securepdf_pdfform_do_createnew($res);
 securepdf_pdfform_do_encrypted($res);
 securepdf_pdfform_do_findfield($res, $name);
 securepdf_pdfform_do_flatten($res);
 securepdf_pdfform_do_getfieldproperty($res, $fieldindex, $fieldproperty);
 securepdf_pdfform_do_getpageproperty($res, $pageindex, $pageproperty);
 securepdf_pdfform_do_open($res);
 securepdf_pdfform_do_removefield($res, $index);
 securepdf_pdfform_do_removefieldbyname($res, $name);
 securepdf_pdfform_do_reset($res);
 securepdf_pdfform_do_setfieldproperty($res, $fieldindex, $fieldproperty, $value);
 securepdf_pdfform_do_setfont($res, $name, $size, $style, $color);
 securepdf_pdfform_do_setpage($res, $pageindex);
 securepdf_pdfform_do_setposition($res, $x, $y);

Remarks

The PDF specification defines seven interactive form field types:

• Button
• Check box
• Radio button
• Text box
• List box
• Combo box
• Signature

To begin, provide the input document as a file (InputFile), byte array (InputData), or stream (SetInputStream) and call the Open method. This method will populate the Fields properties with the existing form fields in the document. When finished editing the form, call the Close method to close the document and save the changes to either OutputFile, OutputData, or the stream set in SetOutputStream.

Adding and Modifying Form Fields

PDFForm includes three additional methods that allow you to customize the form field before it is created. The SetPage and SetPosition methods can be used to specify the form field's location (the page on which it will be added and its position on the page, respectively). If SetPage is not explicitly called, the field will be placed on the first page of the document by default. The SetFont method can also be used to configure font properties (name, size, style, and color) for form fields that contain text.

Button Fields

A button (also known as pushbutton) field is a button on the form that simply responds as soon as it is clicked. Because of this, it is the only form field that does not retain a permanent value. Use the AddButton method to add a button field:

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int buttonIdx = form.AddButton("button", "Press Me");

The action associated with a button field can be updated to perform specific tasks, such as displaying an alert or triggering a script. The example below assigns a JavaScript action to display an alert message when the button is clicked.

C#
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form.Fields[buttonIdx].Action = "app.alert('Hello! This is a simple alert message.');";

Check Box Fields

A check box represents a form field that can be toggled between two states: on and off. Use the AddCheckBox method to add a check box field:

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int checkBoxIdx = form.AddCheckBox("checkbox", false);

The value associated with a check box field determines whether it will be toggled on or off. The example below toggles the check box on.

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form.Fields[checkBoxIdx].Value = "true";

Radio Button Fields

Radio button fields are a set of related buttons, each of which - just like check boxes - can be in one of two states: on or off. Radio buttons belong to a radio group in which at most one button in the group may be in the on state at a time. Use the AddRadioButton method to add a radio button field:

C#
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int radioButtonIdx = form.AddRadioButton("radioGroup", "radiobutton", false);
int radioButton2Idx = form.AddRadioButton("radioGroup", "radiobutton2", true);

A radio button field can be modified to change its state. The example below selects the first radio button, switching it on, which automatically deselects the other radio button in the same group, switching it off.

C#
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form.Fields[radioButtonIdx].Value = "true";

Text Box Fields

A text box field is box or space that allows the user to enter and edit text in a designated area on the form. It can contain default text and can also be configured as a password field to mask the input. Use the AddTextBox method to add a text box field:

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int textBoxIdx = form.AddTextBox("textbox", "Enter your name here", false);

As shown in the example below, the value of a text box field can be modified to fill it with the desired text.

C#
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form.Fields[textBoxIdx].Value = "My name is John Doe";

List Box Fields

A list box field is a scrollable choice field that displays a list of selectable text items the user can choose from. Use the AddListBox method to add a list box field:

C#
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int listBoxIdx = form.AddListBox("numbers", "One\r\nTwo\r\nThree", "One");

A list box field can be modified to select one of the options. The example below updates the list box field to select the option "Three".

C#
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form.Fields[listBoxIdx].Value = "Three";

Combo Box Fields

A combo box field is a choice field that consists of a drop-down list of text items the user can choose from. At most one item may be selected at a time. Compared to list box fields, combo box fields include an editable text box that allows the user to enter a custom value in addition to the predefined options. Use the AddComboBox method to add a combo box field:

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int comboBoxIdx = form.AddComboBox("colors", "Red\r\nGreen\r\nBlue", "Red");

A combo box field can be modified to select one of the options. The example below updates the combo box field to select the option "Blue".

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form.Fields[comboBoxIdx].Value = "Blue";

Removing Form Fields

RemoveField removes a form field identified by its index, whereas RemoveFieldByName removes a field by using its name.

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form.RemoveField(buttonIdx);
form.RemoveFieldByName("checkbox");

Property List

The following is the full list of the properties of the class with short descriptions. Click on the links for further details.

Method List

The following is the full list of the methods of the class with short descriptions. Click on the links for further details.

Event List

The following is the full list of the events fired by the class with short descriptions. Click on the links for further details.

Config Settings

The following is a list of config settings for the class with short descriptions. Click on the links for further details.

DecryptionCertEffectiveDate Property (SecurePDF_PDFForm Class)

The date on which this certificate becomes valid.

Object Oriented Interface

public function getDecryptionCertEffectiveDate();

Procedural Interface

securepdf_pdfform_get($res, 1 );

Default Value

''

Remarks

The date on which this certificate becomes valid. Before this date, it is not valid. The date is localized to the system's time zone. The following example illustrates the format of an encoded date:

23-Jan-2000 15:00:00.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertExpirationDate Property (SecurePDF_PDFForm Class)

The date on which the certificate expires.

Object Oriented Interface

public function getDecryptionCertExpirationDate();

Procedural Interface

securepdf_pdfform_get($res, 2 );

Default Value

''

Remarks

The date on which the certificate expires. After this date, the certificate will no longer be valid. The date is localized to the system's time zone. The following example illustrates the format of an encoded date:

23-Jan-2001 15:00:00.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertExtendedKeyUsage Property (SecurePDF_PDFForm Class)

A comma-delimited list of extended key usage identifiers.

Object Oriented Interface

public function getDecryptionCertExtendedKeyUsage();

Procedural Interface

securepdf_pdfform_get($res, 3 );

Default Value

''

Remarks

A comma-delimited list of extended key usage identifiers. These are the same as ASN.1 object identifiers (OIDs).

This property is read-only and not available at design time.

Data Type

String

DecryptionCertFingerprint Property (SecurePDF_PDFForm Class)

The hex-encoded, 16-byte MD5 fingerprint of the certificate.

Object Oriented Interface

public function getDecryptionCertFingerprint();

Procedural Interface

securepdf_pdfform_get($res, 4 );

Default Value

''

Remarks

The hex-encoded, 16-byte MD5 fingerprint of the certificate. This property is primarily used for keys which do not have a corresponding X.509 public certificate, such as PEM keys that only contain a private key. It is commonly used for SSH keys.

The following example illustrates the format: bc:2a:72:af:fe:58:17:43:7a:5f:ba:5a:7c:90:f7:02

This property is read-only and not available at design time.

Data Type

String

DecryptionCertFingerprintSHA1 Property (SecurePDF_PDFForm Class)

The hex-encoded, 20-byte SHA-1 fingerprint of the certificate.

Object Oriented Interface

public function getDecryptionCertFingerprintSHA1();

Procedural Interface

securepdf_pdfform_get($res, 5 );

Default Value

''

Remarks

The hex-encoded, 20-byte SHA-1 fingerprint of the certificate. This property is primarily used for keys which do not have a corresponding X.509 public certificate, such as PEM keys that only contain a private key. It is commonly used for SSH keys.

The following example illustrates the format: 30:7b:fa:38:65:83:ff:da:b4:4e:07:3f:17:b8:a4:ed:80:be:ff:84

This property is read-only and not available at design time.

Data Type

String

DecryptionCertFingerprintSHA256 Property (SecurePDF_PDFForm Class)

The hex-encoded, 32-byte SHA-256 fingerprint of the certificate.

Object Oriented Interface

public function getDecryptionCertFingerprintSHA256();

Procedural Interface

securepdf_pdfform_get($res, 6 );

Default Value

''

Remarks

The hex-encoded, 32-byte SHA-256 fingerprint of the certificate. This property is primarily used for keys which do not have a corresponding X.509 public certificate, such as PEM keys that only contain a private key. It is commonly used for SSH keys.

The following example illustrates the format: 6a:80:5c:33:a9:43:ea:b0:96:12:8a:64:96:30:ef:4a:8a:96:86:ce:f4:c7:be:10:24:8e:2b:60:9e:f3:59:53

This property is read-only and not available at design time.

Data Type

String

DecryptionCertIssuer Property (SecurePDF_PDFForm Class)

The issuer of the certificate.

Object Oriented Interface

public function getDecryptionCertIssuer();

Procedural Interface

securepdf_pdfform_get($res, 7 );

Default Value

''

Remarks

The issuer of the certificate. This property contains a string representation of the name of the issuing authority for the certificate.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertPrivateKey Property (SecurePDF_PDFForm Class)

The private key of the certificate (if available).

Object Oriented Interface

public function getDecryptionCertPrivateKey();

Procedural Interface

securepdf_pdfform_get($res, 8 );

Default Value

''

Remarks

The private key of the certificate (if available). The key is provided as PEM/Base64-encoded data.

NOTE: The DecryptionCertPrivateKey may be available but not exportable. In this case, DecryptionCertPrivateKey returns an empty string.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertPrivateKeyAvailable Property (SecurePDF_PDFForm Class)

Whether a PrivateKey is available for the selected certificate.

Object Oriented Interface

public function getDecryptionCertPrivateKeyAvailable();

Procedural Interface

securepdf_pdfform_get($res, 9 );

Default Value

false

Remarks

Whether a DecryptionCertPrivateKey is available for the selected certificate. If DecryptionCertPrivateKeyAvailable is True, the certificate may be used for authentication purposes (e.g., server authentication).

This property is read-only and not available at design time.

Data Type

Boolean

DecryptionCertPrivateKeyContainer Property (SecurePDF_PDFForm Class)

The name of the PrivateKey container for the certificate (if available).

Object Oriented Interface

public function getDecryptionCertPrivateKeyContainer();

Procedural Interface

securepdf_pdfform_get($res, 10 );

Default Value

''

Remarks

The name of the DecryptionCertPrivateKey container for the certificate (if available). This functionality is available only on Windows platforms.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertPublicKey Property (SecurePDF_PDFForm Class)

The public key of the certificate.

Object Oriented Interface

public function getDecryptionCertPublicKey();

Procedural Interface

securepdf_pdfform_get($res, 11 );

Default Value

''

Remarks

The public key of the certificate. The key is provided as PEM/Base64-encoded data.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertPublicKeyAlgorithm Property (SecurePDF_PDFForm Class)

The textual description of the certificate's public key algorithm.

Object Oriented Interface

public function getDecryptionCertPublicKeyAlgorithm();

Procedural Interface

securepdf_pdfform_get($res, 12 );

Default Value

''

Remarks

The textual description of the certificate's public key algorithm. The property contains either the name of the algorithm (e.g., "RSA" or "RSA_DH") or an object identifier (OID) string representing the algorithm.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertPublicKeyLength Property (SecurePDF_PDFForm Class)

The length of the certificate's public key (in bits).

Object Oriented Interface

public function getDecryptionCertPublicKeyLength();

Procedural Interface

securepdf_pdfform_get($res, 13 );

Default Value

0

Remarks

The length of the certificate's public key (in bits). Common values are 512, 1024, and 2048.

This property is read-only and not available at design time.

Data Type

Integer

DecryptionCertSerialNumber Property (SecurePDF_PDFForm Class)

The serial number of the certificate encoded as a string.

Object Oriented Interface

public function getDecryptionCertSerialNumber();

Procedural Interface

securepdf_pdfform_get($res, 14 );

Default Value

''

Remarks

The serial number of the certificate encoded as a string. The number is encoded as a series of hexadecimal digits, with each pair representing a byte of the serial number.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertSignatureAlgorithm Property (SecurePDF_PDFForm Class)

The text description of the certificate's signature algorithm.

Object Oriented Interface

public function getDecryptionCertSignatureAlgorithm();

Procedural Interface

securepdf_pdfform_get($res, 15 );

Default Value

''

Remarks

The text description of the certificate's signature algorithm. The property contains either the name of the algorithm (e.g., "RSA" or "RSA_MD5RSA") or an object identifier (OID) string representing the algorithm.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertStore Property (SecurePDF_PDFForm Class)

The name of the certificate store for the client certificate.

Object Oriented Interface

public function getDecryptionCertStore();
public function setDecryptionCertStore($value);

Procedural Interface

securepdf_pdfform_get($res, 16 );
securepdf_pdfform_set($res, 16, $value );

Default Value

'MY'

Remarks

The name of the certificate store for the client certificate.

The DecryptionCertStoreType property denotes the type of the certificate store specified by DecryptionCertStore. If the store is password-protected, specify the password in DecryptionCertStorePassword.

DecryptionCertStore is used in conjunction with the DecryptionCertSubject property to specify client certificates. If DecryptionCertStore has a value, and DecryptionCertSubject or DecryptionCertEncoded is set, a search for a certificate is initiated. Please see the DecryptionCertSubject property for details.

Designations of certificate stores are platform dependent.

The following designations are the most common User and Machine certificate stores in Windows:

When the certificate store type is cstPFXFile, this property must be set to the name of the file. When the type is cstPFXBlob, the property must be set to the binary contents of a PFX file (i.e., PKCS#12 certificate store).

This property is not available at design time.

Data Type

Binary String

DecryptionCertStorePassword Property (SecurePDF_PDFForm Class)

If the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store.

Object Oriented Interface

public function getDecryptionCertStorePassword();
public function setDecryptionCertStorePassword($value);

Procedural Interface

securepdf_pdfform_get($res, 17 );
securepdf_pdfform_set($res, 17, $value );

Default Value

''

Remarks

If the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store.

This property is not available at design time.

Data Type

String

DecryptionCertStoreType Property (SecurePDF_PDFForm Class)

The type of certificate store for this certificate.

Object Oriented Interface

public function getDecryptionCertStoreType();
public function setDecryptionCertStoreType($value);

Procedural Interface

securepdf_pdfform_get($res, 18 );
securepdf_pdfform_set($res, 18, $value );

Possible Values

PDFFORM_DECRYPTIONCERTSTORETYPE_USER(0), 
PDFFORM_DECRYPTIONCERTSTORETYPE_MACHINE(1), 
PDFFORM_DECRYPTIONCERTSTORETYPE_PFXFILE(2), 
PDFFORM_DECRYPTIONCERTSTORETYPE_PFXBLOB(3), 
PDFFORM_DECRYPTIONCERTSTORETYPE_JKSFILE(4), 
PDFFORM_DECRYPTIONCERTSTORETYPE_JKSBLOB(5), 
PDFFORM_DECRYPTIONCERTSTORETYPE_PEMKEY_FILE(6), 
PDFFORM_DECRYPTIONCERTSTORETYPE_PEMKEY_BLOB(7), 
PDFFORM_DECRYPTIONCERTSTORETYPE_PUBLIC_KEY_FILE(8), 
PDFFORM_DECRYPTIONCERTSTORETYPE_PUBLIC_KEY_BLOB(9), 
PDFFORM_DECRYPTIONCERTSTORETYPE_SSHPUBLIC_KEY_BLOB(10), 
PDFFORM_DECRYPTIONCERTSTORETYPE_P7BFILE(11), 
PDFFORM_DECRYPTIONCERTSTORETYPE_P7BBLOB(12), 
PDFFORM_DECRYPTIONCERTSTORETYPE_SSHPUBLIC_KEY_FILE(13), 
PDFFORM_DECRYPTIONCERTSTORETYPE_PPKFILE(14), 
PDFFORM_DECRYPTIONCERTSTORETYPE_PPKBLOB(15), 
PDFFORM_DECRYPTIONCERTSTORETYPE_XMLFILE(16), 
PDFFORM_DECRYPTIONCERTSTORETYPE_XMLBLOB(17), 
PDFFORM_DECRYPTIONCERTSTORETYPE_JWKFILE(18), 
PDFFORM_DECRYPTIONCERTSTORETYPE_JWKBLOB(19), 
PDFFORM_DECRYPTIONCERTSTORETYPE_SECURITY_KEY(20), 
PDFFORM_DECRYPTIONCERTSTORETYPE_BCFKSFILE(21), 
PDFFORM_DECRYPTIONCERTSTORETYPE_BCFKSBLOB(22), 
PDFFORM_DECRYPTIONCERTSTORETYPE_PKCS11(23), 
PDFFORM_DECRYPTIONCERTSTORETYPE_AUTO(99)

Default Value

0

Remarks

The type of certificate store for this certificate.

The class supports both public and private keys in a variety of formats. When the cstAuto value is used, the class will automatically determine the type. This property can take one of the following values:

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certmgr.CertStoreType = CertStoreTypes.cstPKCS11;
certmgr.OnCertList += (s, e) => {
  secKeyBlob = e.CertEncoded;
};
certmgr.CertStore = @"C:\Program Files\OpenSC Project\OpenSC\pkcs11\opensc-pkcs11.dll";
certmgr.CertStorePassword = "123456"; //PIN
certmgr.ListStoreCertificates();

sftp.SSHCert = new Certificate(CertStoreTypes.cstPKCS11, secKeyBlob, "123456", "*");
sftp.SSHUser = "test";
sftp.SSHLogon("myhost", 22);

This property is not available at design time.

Data Type

Integer

DecryptionCertSubjectAltNames Property (SecurePDF_PDFForm Class)

Comma-separated lists of alternative subject names for the certificate.

Object Oriented Interface

public function getDecryptionCertSubjectAltNames();

Procedural Interface

securepdf_pdfform_get($res, 19 );

Default Value

''

Remarks

Comma-separated lists of alternative subject names for the certificate.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertThumbprintMD5 Property (SecurePDF_PDFForm Class)

The MD5 hash of the certificate.

Object Oriented Interface

public function getDecryptionCertThumbprintMD5();

Procedural Interface

securepdf_pdfform_get($res, 20 );

Default Value

''

Remarks

The MD5 hash of the certificate. It is primarily used for X.509 certificates. If the hash does not already exist, it is automatically computed.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertThumbprintSHA1 Property (SecurePDF_PDFForm Class)

The SHA-1 hash of the certificate.

Object Oriented Interface

public function getDecryptionCertThumbprintSHA1();

Procedural Interface

securepdf_pdfform_get($res, 21 );

Default Value

''

Remarks

The SHA-1 hash of the certificate. It is primarily used for X.509 certificates. If the hash does not already exist, it is automatically computed.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertThumbprintSHA256 Property (SecurePDF_PDFForm Class)

The SHA-256 hash of the certificate.

Object Oriented Interface

public function getDecryptionCertThumbprintSHA256();

Procedural Interface

securepdf_pdfform_get($res, 22 );

Default Value

''

Remarks

The SHA-256 hash of the certificate. It is primarily used for X.509 certificates. If the hash does not already exist, it is automatically computed.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertUsage Property (SecurePDF_PDFForm Class)

The text description of UsageFlags .

Object Oriented Interface

public function getDecryptionCertUsage();

Procedural Interface

securepdf_pdfform_get($res, 23 );

Default Value

''

Remarks

The text description of DecryptionCertUsageFlags.

This value will be one or more of the following strings and will be separated by commas:

• Digital Signature
• Non-Repudiation
• Key Encipherment
• Data Encipherment
• Key Agreement
• Certificate Signing
• CRL Signing
• Encipher Only

If the provider is OpenSSL, the value is a comma-separated list of X.509 certificate extension names.

This property is read-only and not available at design time.

Data Type

String

DecryptionCertUsageFlags Property (SecurePDF_PDFForm Class)

The flags that show intended use for the certificate.

Object Oriented Interface

public function getDecryptionCertUsageFlags();

Procedural Interface

securepdf_pdfform_get($res, 24 );

Default Value

0

Remarks

The flags that show intended use for the certificate. The value of DecryptionCertUsageFlags is a combination of the following flags:

Please see the DecryptionCertUsage property for a text representation of DecryptionCertUsageFlags.

This functionality currently is not available when the provider is OpenSSL.

This property is read-only and not available at design time.

Data Type

Integer

DecryptionCertVersion Property (SecurePDF_PDFForm Class)

The certificate's version number.

Object Oriented Interface

public function getDecryptionCertVersion();

Procedural Interface

securepdf_pdfform_get($res, 25 );

Default Value

''

Remarks

The certificate's version number. The possible values are the strings "V1", "V2", and "V3".

This property is read-only and not available at design time.

Data Type

String

DecryptionCertSubject Property (SecurePDF_PDFForm Class)

The subject of the certificate used for client authentication.

Object Oriented Interface

public function getDecryptionCertSubject();
public function setDecryptionCertSubject($value);

Procedural Interface

securepdf_pdfform_get($res, 26 );
securepdf_pdfform_set($res, 26, $value );

Default Value

''

Remarks

The subject of the certificate used for client authentication.

This property must be set after all other certificate properties are set. When this property is set, a search is performed in the current certificate store to locate a certificate with a matching subject.

If a matching certificate is found, the property is set to the full subject of the matching certificate.

If an exact match is not found, the store is searched for subjects containing the value of the property.

If a match is still not found, the property is set to an empty string, and no certificate is selected.

The special value "*" picks a random certificate in the certificate store.

The certificate subject is a comma-separated list of distinguished name fields and values. For instance, "CN=www.server.com, OU=test, C=US, E=example@email.com". Common fields and their meanings are as follows:

If a field value contains a comma, it must be quoted.

This property is not available at design time.

Data Type

String

DecryptionCertEncoded Property (SecurePDF_PDFForm Class)

The certificate (PEM/Base64 encoded).

Object Oriented Interface

public function getDecryptionCertEncoded();
public function setDecryptionCertEncoded($value);

Procedural Interface

securepdf_pdfform_get($res, 27 );
securepdf_pdfform_set($res, 27, $value );

Default Value

''

Remarks

The certificate (PEM/Base64 encoded). This property is used to assign a specific certificate. The DecryptionCertStore and DecryptionCertSubject properties also may be used to specify a certificate.

When DecryptionCertEncoded is set, a search is initiated in the current DecryptionCertStore for the private key of the certificate. If the key is found, DecryptionCertSubject is updated to reflect the full subject of the selected certificate; otherwise, DecryptionCertSubject is set to an empty string.

This property is not available at design time.

Data Type

Binary String

FieldCount Property (SecurePDF_PDFForm Class)

The number of records in the Field arrays.

Object Oriented Interface

public function getFieldCount();

Procedural Interface

securepdf_pdfform_get($res, 28 );

Default Value

0

Remarks

This property controls the size of the following arrays:

• FieldAction
• FieldAltName
• FieldCaption
• FieldDefaultValue
• FieldFullName
• FieldHeight
• FieldMaxLen
• FieldName
• FieldOffsetX
• FieldOffsetY
• FieldOptions
• FieldPageIndex
• FieldTerminal
• FieldType
• FieldValue
• FieldVisible
• FieldWidth

The array indices start at 0 and end at FieldCount - 1.

This property is read-only and not available at design time.

Data Type

Integer

FieldAction Property (SecurePDF_PDFForm Class)

The JavaScript action assigned to the button property.

Object Oriented Interface

public function getFieldAction($fieldindex);
public function setFieldAction($fieldindex, $value);

Procedural Interface

securepdf_pdfform_get($res, 29 , $fieldindex);
securepdf_pdfform_set($res, 29, $value , $fieldindex);

Default Value

''

Remarks

The JavaScript action assigned to the button field. This action will be executed if the button is pressed.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is not available at design time.

Data Type

String

FieldAltName Property (SecurePDF_PDFForm Class)

The alternate property name.

Object Oriented Interface

public function getFieldAltName($fieldindex);
public function setFieldAltName($fieldindex, $value);

Procedural Interface

securepdf_pdfform_get($res, 30 , $fieldindex);
securepdf_pdfform_set($res, 30, $value , $fieldindex);

Default Value

''

Remarks

The alternate field name. This optional property contains a friendly name of the field, used when referring to the field in the user interface.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is not available at design time.

Data Type

String

FieldCaption Property (SecurePDF_PDFForm Class)

The caption of the button property.

Object Oriented Interface

public function getFieldCaption($fieldindex);
public function setFieldCaption($fieldindex, $value);

Procedural Interface

securepdf_pdfform_get($res, 31 , $fieldindex);
securepdf_pdfform_set($res, 31, $value , $fieldindex);

Default Value

''

Remarks

The caption of the button field.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is not available at design time.

Data Type

String

FieldDefaultValue Property (SecurePDF_PDFForm Class)

The default value of the form property.

Object Oriented Interface

public function getFieldDefaultValue($fieldindex);
public function setFieldDefaultValue($fieldindex, $value);

Procedural Interface

securepdf_pdfform_get($res, 32 , $fieldindex);
securepdf_pdfform_set($res, 32, $value , $fieldindex);

Default Value

''

Remarks

The default value of the form field.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is not available at design time.

Data Type

String

FieldName Property (SecurePDF_PDFForm Class)

The local name of the property.

Object Oriented Interface

public function getFieldName($fieldindex);
public function setFieldName($fieldindex, $value);

Procedural Interface

securepdf_pdfform_get($res, 33 , $fieldindex);
securepdf_pdfform_set($res, 33, $value , $fieldindex);

Default Value

''

Remarks

The local name of the field. This is normally a simple text string such as mybutton. See also FieldFullName.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is not available at design time.

Data Type

String

FieldType Property (SecurePDF_PDFForm Class)

The type of the property.

Object Oriented Interface

public function getFieldType($fieldindex);

Procedural Interface

securepdf_pdfform_get($res, 34 , $fieldindex);

Default Value

0

Remarks

The type of the field.

Possible values are:

• Undefined (0)
• PushButton (1)
• CheckBox (2)
• RadioGroup (3)
• RadioButton (4)
• Text (5)
• ListBox (6)
• ComboBox (7)
• Signature (8)

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is read-only and not available at design time.

Data Type

Integer

FieldFullName Property (SecurePDF_PDFForm Class)

The full name of the property.

Object Oriented Interface

public function getFieldFullName($fieldindex);

Procedural Interface

securepdf_pdfform_get($res, 35 , $fieldindex);

Default Value

''

Remarks

The full name of the field.

This is a concatenation of the local names of the subhierarchy of non-terminal fields leading from the root field to the current field, ending with the local name of the current field. For example, buttons.ctlbuttons.mybutton. See also FieldName.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is read-only and not available at design time.

Data Type

String

FieldHeight Property (SecurePDF_PDFForm Class)

The displayed height of the property in points.

Object Oriented Interface

public function getFieldHeight($fieldindex);
public function setFieldHeight($fieldindex, $value);

Procedural Interface

securepdf_pdfform_get($res, 36 , $fieldindex);
securepdf_pdfform_set($res, 36, $value , $fieldindex);

Default Value

'0'

Remarks

The displayed height of the field in points. Both integer and decimal values are supported.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is not available at design time.

Data Type

String

FieldMaxLen Property (SecurePDF_PDFForm Class)

The maximum length of data that the text box can accept.

Object Oriented Interface

public function getFieldMaxLen($fieldindex);
public function setFieldMaxLen($fieldindex, $value);

Procedural Interface

securepdf_pdfform_get($res, 37 , $fieldindex);
securepdf_pdfform_set($res, 37, $value , $fieldindex);

Default Value

0

Remarks

The maximum length of data that the text box can accept.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is not available at design time.

Data Type

Integer

FieldOffsetX Property (SecurePDF_PDFForm Class)

The displayed offset of the property from the left-hand page border in points.

Object Oriented Interface

public function getFieldOffsetX($fieldindex);
public function setFieldOffsetX($fieldindex, $value);

Procedural Interface

securepdf_pdfform_get($res, 38 , $fieldindex);
securepdf_pdfform_set($res, 38, $value , $fieldindex);

Default Value

'0'

Remarks

The displayed offset of the field from the left-hand page border in points. Both integer and decimal values are supported.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is not available at design time.

Data Type

String

FieldOffsetY Property (SecurePDF_PDFForm Class)

The displayed offset of the property from the bottom page border in points.

Object Oriented Interface

public function getFieldOffsetY($fieldindex);
public function setFieldOffsetY($fieldindex, $value);

Procedural Interface

securepdf_pdfform_get($res, 39 , $fieldindex);
securepdf_pdfform_set($res, 39, $value , $fieldindex);

Default Value

'0'

Remarks

The displayed offset of the field from the bottom page border in points. Both integer and decimal values are supported.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is not available at design time.

Data Type

String

FieldOptions Property (SecurePDF_PDFForm Class)

The set of options offered by a combo box or list box property.

Object Oriented Interface

public function getFieldOptions($fieldindex);
public function setFieldOptions($fieldindex, $value);

Procedural Interface

securepdf_pdfform_get($res, 40 , $fieldindex);
securepdf_pdfform_set($res, 40, $value , $fieldindex);

Default Value

''

Remarks

The set of options offered by a combo box or list box field.

The options are returned as a multi-line string, with each string representing an individual choice. The data reported or accepted by this property depends on the value of the OptionsFormat configuration setting.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is not available at design time.

Data Type

String

FieldPageIndex Property (SecurePDF_PDFForm Class)

The page index containing the property.

Object Oriented Interface

public function getFieldPageIndex($fieldindex);

Procedural Interface

securepdf_pdfform_get($res, 41 , $fieldindex);

Default Value

-1

Remarks

The page index containing the field.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is read-only and not available at design time.

Data Type

Integer

FieldTerminal Property (SecurePDF_PDFForm Class)

Whether the property is terminal, meaning it is represented by a leaf entry in the property tree.

Object Oriented Interface

public function getFieldTerminal($fieldindex);

Procedural Interface

securepdf_pdfform_get($res, 42 , $fieldindex);

Default Value

true

Remarks

Whether the field is terminal, meaning it is represented by a leaf entry in the field tree.

Only terminal fields can carry data and be filled in or submitted. Any non-terminal (intermediate) fields are only used to define shared properties of a selection of descendant fields, terminal or non-terminal in their own right.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is read-only and not available at design time.

Data Type

Boolean

FieldValue Property (SecurePDF_PDFForm Class)

The export value associated with the property.

Object Oriented Interface

public function getFieldValue($fieldindex);
public function setFieldValue($fieldindex, $value);

Procedural Interface

securepdf_pdfform_get($res, 43 , $fieldindex);
securepdf_pdfform_set($res, 43, $value , $fieldindex);

Default Value

''

Remarks

The export value associated with the field. This contains the data that is the value of the field from the processor's standpoint.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is not available at design time.

Data Type

String

FieldVisible Property (SecurePDF_PDFForm Class)

Whether the property is visible or hidden.

Object Oriented Interface

public function getFieldVisible($fieldindex);
public function setFieldVisible($fieldindex, $value);

Procedural Interface

securepdf_pdfform_get($res, 44 , $fieldindex);
securepdf_pdfform_set($res, 44, $value , $fieldindex);

Default Value

false

Remarks

Whether the field is visible or hidden.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is not available at design time.

Data Type

Boolean

FieldWidth Property (SecurePDF_PDFForm Class)

The displayed width of the property in points.

Object Oriented Interface

public function getFieldWidth($fieldindex);
public function setFieldWidth($fieldindex, $value);

Procedural Interface

securepdf_pdfform_get($res, 45 , $fieldindex);
securepdf_pdfform_set($res, 45, $value , $fieldindex);

Default Value

'0'

Remarks

The displayed width of the field in points. Both integer and decimal values are supported.

The $fieldindex parameter specifies the index of the item in the array. The size of the array is controlled by the FieldCount property.

This property is not available at design time.

Data Type

String

FontColor Property (SecurePDF_PDFForm Class)

The color of the current font in hexadecimal format.

Object Oriented Interface

public function getFontColor();

Procedural Interface

securepdf_pdfform_get($res, 46 );

Default Value

''

Remarks

The color of the current font in hexadecimal format.

This property is read-only and not available at design time.

Data Type

String

FontName Property (SecurePDF_PDFForm Class)

The name of the current font.

Object Oriented Interface

public function getFontName();

Procedural Interface

securepdf_pdfform_get($res, 47 );

Default Value

'Helvetica'

Remarks

The name of the current font.

This property is read-only and not available at design time.

Data Type

String

FontSize Property (SecurePDF_PDFForm Class)

The size of the current font in points.

Object Oriented Interface

public function getFontSize();

Procedural Interface

securepdf_pdfform_get($res, 48 );

Default Value

'12'

Remarks

The size of the current font in points.

This property is read-only and not available at design time.

Data Type

String

FontStyle Property (SecurePDF_PDFForm Class)

The style of the current font.

Object Oriented Interface

public function getFontStyle();

Procedural Interface

securepdf_pdfform_get($res, 49 );

Default Value

''

Remarks

The style of the current font.

This property is read-only and not available at design time.

Data Type

String

InputData Property (SecurePDF_PDFForm Class)

A byte array containing the PDF document to process.

Object Oriented Interface

public function getInputData();
public function setInputData($value);

Procedural Interface

securepdf_pdfform_get($res, 50 );
securepdf_pdfform_set($res, 50, $value );

Remarks

This property is used to assign a byte array containing the PDF document to be processed.

This property is not available at design time.

Data Type

Byte Array

InputFile Property (SecurePDF_PDFForm Class)

The PDF file to process.

Object Oriented Interface

public function getInputFile();
public function setInputFile($value);

Procedural Interface

securepdf_pdfform_get($res, 51 );
securepdf_pdfform_set($res, 51, $value );

Default Value

''

Remarks

This property is used to provide a path to the PDF document to be processed.

Data Type

String

OutputData Property (SecurePDF_PDFForm Class)

A byte array containing the PDF document after processing.

Object Oriented Interface

public function getOutputData();

Procedural Interface

securepdf_pdfform_get($res, 52 );

Remarks

This property is used to read the byte array containing the produced output after the operation has completed. It will only be set if an output file and output stream have not been assigned via OutputFile and SetOutputStream respectively.

This property is read-only and not available at design time.

Data Type

Byte Array

OutputFile Property (SecurePDF_PDFForm Class)

The path to a local file where the output will be written.

Object Oriented Interface

public function getOutputFile();
public function setOutputFile($value);

Procedural Interface

securepdf_pdfform_get($res, 53 );
securepdf_pdfform_set($res, 53, $value );

Default Value

''

Remarks

This property is used to provide a path where the resulting PDF document will be saved after the operation has completed.

Data Type

String

Overwrite Property (SecurePDF_PDFForm Class)

Whether or not the class should overwrite files.

Object Oriented Interface

public function getOverwrite();
public function setOverwrite($value);

Procedural Interface

securepdf_pdfform_get($res, 54 );
securepdf_pdfform_set($res, 54, $value );

Default Value

false

Remarks

This property indicates whether or not the class will overwrite OutputFile, OutputData, or the stream set in SetOutputStream. If set to false, an error will be thrown whenever OutputFile, OutputData, or the stream set in SetOutputStream exists before an operation.

Data Type

Boolean

Password Property (SecurePDF_PDFForm Class)

The password to decrypt the document with.

Object Oriented Interface

public function getPassword();
public function setPassword($value);

Procedural Interface

securepdf_pdfform_get($res, 55 );
securepdf_pdfform_set($res, 55, $value );

Default Value

''

Remarks

This property is used to provide the user password for decryption. Though it may be different from OwnerPassword, most implementations use the same value for both.

Data Type

String

PositionPageIndex Property (SecurePDF_PDFForm Class)

The index of the current page in the PDF document.

Object Oriented Interface

public function getPositionPageIndex();

Procedural Interface

securepdf_pdfform_get($res, 56 );

Default Value

0

Remarks

The index of the current page in the PDF document.

This property is read-only and not available at design time.

Data Type

Integer

PositionX Property (SecurePDF_PDFForm Class)

The X coordinate of the current position on the page.

Object Oriented Interface

public function getPositionX();

Procedural Interface

securepdf_pdfform_get($res, 57 );

Default Value

'0'

Remarks

The X coordinate of the current position on the page.

This property is read-only and not available at design time.

Data Type

String

PositionY Property (SecurePDF_PDFForm Class)

The Y coordinate of the current position on the page.

Object Oriented Interface

public function getPositionY();

Procedural Interface

securepdf_pdfform_get($res, 58 );

Default Value

'0'

Remarks

The Y coordinate of the current position on the page.

This property is read-only and not available at design time.

Data Type

String

AddBitmap Method (SecurePDF_PDFForm Class)

Adds a bitmap image at the current position.

Object Oriented Interface

public function doAddBitmap($format, $bitmapbytes, $bitmapwidth, $bitmapheight, $width, $height);

Procedural Interface

securepdf_pdfform_do_addbitmap($res, $format, $bitmapbytes, $bitmapwidth, $bitmapheight, $width, $height);

Remarks

This function is not available in the current version of the product.

Use this function to add a bitmap image at the specified Position. Provide the parameters of the serialized image using the Format, BitmapBytes, BitmapWidth, and BitmapHeight parameters.

Use Width and Height parameters to specify the dimensions, in points, which the image should be scaled/stretched to when placed on the page.

Note: please make sure to provide the original width and height of the bitmap, in pixels, via the BitmapWidth and BitmapHeight parameters.

AddButton Method (SecurePDF_PDFForm Class)

Adds a button field to the form.

Object Oriented Interface

public function doAddButton($name, $caption);

Procedural Interface

securepdf_pdfform_do_addbutton($res, $name, $caption);

Remarks

This method is used to create a button field with name Name and caption Caption at the specified Position.

The button is added to the end of the Fields properties and can be modified using the properties of the respective PDFField object.

This method returns the index of the newly added field in the Fields properties.

AddCaption Method (SecurePDF_PDFForm Class)

Adds a caption for a form field.

Object Oriented Interface

public function doAddCaption($caption);

Procedural Interface

securepdf_pdfform_do_addcaption($res, $caption);

Remarks

This method is used to add a caption (title) for a form field at the specified Position.

AddCheckBox Method (SecurePDF_PDFForm Class)

Adds a check box field to the form.

Object Oriented Interface

public function doAddCheckBox($name, $defaultvalue);

Procedural Interface

securepdf_pdfform_do_addcheckbox($res, $name, $defaultvalue);

Remarks

This method is used to create a check box field with name Name at the specified Position.

The DefaultValue parameter specifies the initial state of the check box (checked/unchecked).

The check box field is added to the end of the Fields properties and can be modified using the properties of the respective PDFField object.

This method returns the index of the newly added field in the Fields properties.

AddComboBox Method (SecurePDF_PDFForm Class)

Adds a combo box field to the form.

Object Oriented Interface

public function doAddComboBox($name, $options, $defaultvalue);

Procedural Interface

securepdf_pdfform_do_addcombobox($res, $name, $options, $defaultvalue);

Remarks

This method is used to create a combo box field with name Name at the specified Position.

The Options parameter specifies a list of choices as a multi-line string.

The DefaultValue parameter specifies the initial value selected in the combo box.

The new combo box field is added to the end of the Fields properties and can be modified using the properties of the respective PDFField object.

This method returns the index of the newly added field in the Fields properties.

AddDrawing Method (SecurePDF_PDFForm Class)

Adds a vector drawing at the current position.

Object Oriented Interface

public function doAddDrawing($format, $drawingbytes, $width, $height);

Procedural Interface

securepdf_pdfform_do_adddrawing($res, $format, $drawingbytes, $width, $height);

Remarks

This function is not available in the current version of the product.

Use this function to add a vector drawing at the specified Position. Provide the drawing, as an encoded PDF appearance stream, via the DrawingBytes parameter.

Use Width and Height parameters to specify the dimensions, in points, which the drawing should be scaled/stretched to when placed on the page.

AddListBox Method (SecurePDF_PDFForm Class)

Adds a list box field to the form.

Object Oriented Interface

public function doAddListBox($name, $options, $defaultvalue);

Procedural Interface

securepdf_pdfform_do_addlistbox($res, $name, $options, $defaultvalue);

Remarks

This method is used to create a list box field with name Name at the specified Position.

The Options parameter specifies a list of choices as a multi-line string.

The DefaultValue parameter specifies the initial value selected in the list box.

The new list box field is added to the end of the Fields properties and can be modified using the properties of the respective PDFField object.

This method returns the index of the newly added field in the Fields properties.

AddNewPage Method (SecurePDF_PDFForm Class)

Adds a new blank page to a PDF document.

Object Oriented Interface

public function doAddNewPage($pageindex);

Procedural Interface

securepdf_pdfform_do_addnewpage($res, $pageindex);

Remarks

This method is used to add a new page to the document at the position specified by the PageIndex parameter. Note that when this method returns, the Position will not be automatically moved to the newly added page.

AddRadioButton Method (SecurePDF_PDFForm Class)

Adds a radio button to the form.

Object Oriented Interface

public function doAddRadioButton($radiogroup, $name, $isdefaultbutton);

Procedural Interface

securepdf_pdfform_do_addradiobutton($res, $radiogroup, $name, $isdefaultbutton);

Remarks

This method is used to create a radio button field with name Name, within the radio group RadioGroup, at the specified Position.

The IsDefaultButton parameter specifies whether the radio button will be selected initially (i.e., whether it will be the of the radio group).

The new radio button field is added to the end of the Fields properties and can be modified using the properties of the respective PDFField object.

This method returns the index of the newly added field in the Fields properties.

AddTextBox Method (SecurePDF_PDFForm Class)

Adds a text box field to the form.

Object Oriented Interface

public function doAddTextBox($name, $defaultvalue, $password);

Procedural Interface

securepdf_pdfform_do_addtextbox($res, $name, $defaultvalue, $password);

Remarks

This method is used to create a text box field with name Name at the specified Position.

The DefaultValue parameter specifies the initial value contained in the text box.

The Password parameter specifies whether the text box is intended to contain a password. If this parameter is true, the text will be displayed as asterisk characters (*).

The new text box field is added to the end of the Fields properties and can be modified using the properties of the respective PDFField object.

This method returns the index of the newly added field in the Fields properties.

Close Method (SecurePDF_PDFForm Class)

Closes an opened PDF document.

Object Oriented Interface

public function doClose();

Procedural Interface

securepdf_pdfform_do_close($res);

Remarks

This method is used to close the previously opened document specified in InputFile, InputData, or SetInputStream. It should always be preceded by a call to the Open method.

Example:

C#
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component.InputFile = "input.pdf";
component.Open();
// Some operation
component.Close();

If any changes are made to the document, they will be saved automatically to OutputFile, OutputData, or the stream set in SetOutputStream when this method is called. To configure this saving behavior, set the SaveChanges configuration setting.

Config Method (SecurePDF_PDFForm Class)

Sets or retrieves a configuration setting.

Object Oriented Interface

public function doConfig($configurationstring);

Procedural Interface

securepdf_pdfform_do_config($res, $configurationstring);

Remarks

Config is a generic method available in every class. It is used to set and retrieve configuration settings for the class.

These settings are similar in functionality to properties, but they are rarely used. In order to avoid "polluting" the property namespace of the class, access to these internal properties is provided through the Config method.

To set a configuration setting named PROPERTY, you must call Config("PROPERTY=VALUE"), where VALUE is the value of the setting expressed as a string. For boolean values, use the strings "True", "False", "0", "1", "Yes", or "No" (case does not matter).

To read (query) the value of a configuration setting, you must call Config("PROPERTY"). The value will be returned as a string.

CreateNew Method (SecurePDF_PDFForm Class)

Creates a new document.

Object Oriented Interface

public function doCreateNew();

Procedural Interface

securepdf_pdfform_do_createnew($res);

Remarks

Use this method to create a blank PDF document with one empty page.

Having created the baseline document, you can use methods of the component (such as AddStream) to add objects to it.

Encrypted Method (SecurePDF_PDFForm Class)

Checks whether a PDF document is encrypted.

Object Oriented Interface

public function doEncrypted();

Procedural Interface

securepdf_pdfform_do_encrypted($res);

Remarks

This method is used to determine whether or not the document specified in InputFile, InputData, or SetInputStream is encrypted. It will return false if the document is pseudo-encrypted with an empty password.

Example:

C#
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component.InputFile = "input.pdf";
if (component.Encrypted())
{
  // Set Password or DecryptionCert
}
component.Open();
// Some operation
component.Close();

FindField Method (SecurePDF_PDFForm Class)

Locates a field in the document.

Object Oriented Interface

public function doFindField($name);

Procedural Interface

securepdf_pdfform_do_findfield($res, $name);

Remarks

This method is used to quickly locate the field with name Name in the document. This method returns the index of the field in the Fields properties, or -1 if the field was not found.

Flatten Method (SecurePDF_PDFForm Class)

Flattens the form by removing the interactive form fields.

Object Oriented Interface

public function doFlatten();

Procedural Interface

securepdf_pdfform_do_flatten($res);

Remarks

This method is used to substitute all the existing form fields in the document with their currently set values, thus fixing them.

This method strips the interactive form features from the document. The flattened fields are no longer fields and can no longer be modified or extracted. Any signatures that may have been included in the original document are removed from the flattened document.

GetFieldProperty Method (SecurePDF_PDFForm Class)

Retrieves the value of a field property.

Object Oriented Interface

public function doGetFieldProperty($fieldindex, $fieldproperty);

Procedural Interface

securepdf_pdfform_do_getfieldproperty($res, $fieldindex, $fieldproperty);

Remarks

This method is used to retrieve the value of a field property. Together with SetFieldProperty, this method provides an extensible way of managing the field settings that are not available through the PDFField type. The list of settings below may be extended in the future.

The FieldIndex parameter is the index of the field of interest in the Fields properties, and the FieldProperty parameter specifies the field property to read. The latter can take one of the following values:

Note: Each field property is only populated once the document has been loaded, which is reported by the DocumentInfo event.

GetPageProperty Method (SecurePDF_PDFForm Class)

Retrieves the value of a page property.

Object Oriented Interface

public function doGetPageProperty($pageindex, $pageproperty);

Procedural Interface

securepdf_pdfform_do_getpageproperty($res, $pageindex, $pageproperty);

Remarks

This method is used to read general information about the pages of the document specified in InputFile, InputData, or SetInputStream, such as their dimensions and content positioning details.

The PageIndex parameter specifies the page to read information about (with a valid range from 0 to PageCount - 1), and the PageProperty parameter specifies the page property to read. The latter can take one of the following values:

Example:

C#
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int pageCount = 0;
component.OnDocumentInfo += (s, e) => { pageCount = e.PageCount; };
component.InputFile = "input.pdf";
component.Open();
for (int i = 0; i < pageCount; i++) component.GetPageProperty(i, "Height");
component.Close();

C#
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int x = int.Parse(pdfsign.GetPageProperty(0, "Width")) - 100;
int y = int.Parse(pdfsign.GetPageProperty(0, "Height")) - 100;
pdfsign.SetWidgetProperty("OffsetX", x.ToString());
pdfsign.SetWidgetProperty("OffsetY", y.ToString());

NOTE: If the document is not already opened, this method will open it, perform the operation, then close it.

Open Method (SecurePDF_PDFForm Class)

Opens a PDF document for processing.

Object Oriented Interface

public function doOpen();

Procedural Interface

securepdf_pdfform_do_open($res);

Remarks

This method is used to open the document specified in InputFile, InputData, or SetInputStream before performing some operation on it, such as adding, editing, or removing form fields. When finished, call Close to complete or discard the operation.

It is recommended to use this method (alongside Close) when performing multiple operations on the document at once.

NOTE: This method will populate the Fields properties with any form fields found in the document.

RemoveField Method (SecurePDF_PDFForm Class)

Removes a field from the document.

Object Oriented Interface

public function doRemoveField($index);

Procedural Interface

securepdf_pdfform_do_removefield($res, $index);

Remarks

This method is used to remove a field from the document. The Index parameter specifies the index of the field in the Fields properties to be removed.

NOTE: This method can only be used with terminal fields.

RemoveFieldByName Method (SecurePDF_PDFForm Class)

Removes a field from the document.

Object Oriented Interface

public function doRemoveFieldByName($name);

Procedural Interface

securepdf_pdfform_do_removefieldbyname($res, $name);

Remarks

This method is used to remove a field from the document. The Name parameter specifies the full name of the field in the Fields properties to be removed.

NOTE: This method can only be used with terminal fields.

Reset Method (SecurePDF_PDFForm Class)

Resets the class.

Object Oriented Interface

public function doReset();

Procedural Interface

securepdf_pdfform_do_reset($res);

Remarks

This method is used to reset the class's properties and configuration settings to their default values.

SetFieldProperty Method (SecurePDF_PDFForm Class)

Sets the value of a field property.

Object Oriented Interface

public function doSetFieldProperty($fieldindex, $fieldproperty, $value);

Procedural Interface

securepdf_pdfform_do_setfieldproperty($res, $fieldindex, $fieldproperty, $value);

Remarks

This method is used to modify the value of a field property. Together with GetFieldProperty, this method provides an extensible way of managing the field settings that are not available through the PDFField type. The list of settings below may be extended in the future.

The FieldIndex parameter is the index of the field of interest in the Fields properties, and the FieldProperty and Value parameters specify the field property and value to set respectively. The former can take one of the following values:

SetFont Method (SecurePDF_PDFForm Class)

Sets the font properties to be applied to form fields.

Object Oriented Interface

public function doSetFont($name, $size, $style, $color);

Procedural Interface

securepdf_pdfform_do_setfont($res, $name, $size, $style, $color);

Remarks

This method is used to define the font attributes for text in form fields.

The Name parameter specifies the font name.

The Size parameter specifies the font size, either as an absolute value (e.g., "12") or relative adjustment (e.g., "+2").

The Style parameter specifies the font style: a combination of bold ("B"), italic ("I"), or underline ("U").

The Color parameter specifies the font color in hexadecimal format.

SetPage Method (SecurePDF_PDFForm Class)

Sets the page to be used as the working page.

Object Oriented Interface

public function doSetPage($pageindex);

Procedural Interface

securepdf_pdfform_do_setpage($res, $pageindex);

Remarks

This method is used to specify the page on which all subsequent operations will be performed. The page is identified by the PageIndex parameter.

NOTE: PageIndex set to -1 specifies the last page of the document.

SetPosition Method (SecurePDF_PDFForm Class)

Sets the position for form fields.

Object Oriented Interface

public function doSetPosition($x, $y);

Procedural Interface

securepdf_pdfform_do_setposition($res, $x, $y);

Remarks

This method is used to define the Position where form fields will be added. The X parameter specifies the horizontal position, and the Y parameter specifies the vertical position.

Values that are absolute, relative to the current position, and relative to the page dimensions are all supported.

Example:

C#
 Copy
// Sets to exact coordinates.
form.SetPosition("100", "20");
// Moves 20 points to the right and 20 points down from the current position.
form.SetPosition("{x}+20", "{y}-20");
// Moves 20 points from the right edge and 120 points from the top edge of the page.
form.SetPosition("{width}-20", "{height}-120");

DocumentInfo Event (SecurePDF_PDFForm Class)

Fired when the document has been loaded into memory.

Object Oriented Interface

public function fireDocumentInfo($param);

Procedural Interface

securepdf_pdfform_register_callback($res, 1, array($this, 'fireDocumentInfo'));

Parameter List

 'pagecount'
 'signaturecount'

Remarks

This event is fired once per document processing routine to report that the document has been processed and loaded into memory.

The handler for this event is a good place to check the document structure and access document-related information such as page number and document file details. These may be useful when preparing the signature. For example, the GetPageProperty method can be used to find the optimal position for the signature widget.

The PageCount parameter reports the number of pages in the document.

The SignatureCount parameter reports the number of signatures in the document.

This event is fired when the Open method is called, but only after Password or RecipientInfo is fired (if applicable) and the document has been decrypted.

Error Event (SecurePDF_PDFForm Class)

Fired when information is available about errors during data delivery.

Object Oriented Interface

public function fireError($param);

Procedural Interface

securepdf_pdfform_register_callback($res, 2, array($this, 'fireError'));

Parameter List

 'errorcode'
 'description'

Remarks

The Error event is fired in case of exceptional conditions during message processing. Normally the class fails with an error.

The ErrorCode parameter contains an error code, and the Description parameter contains a textual description of the error. For a list of valid error codes and their descriptions, please refer to the Error Codes section.

Log Event (SecurePDF_PDFForm Class)

Fired once for each log message.

Object Oriented Interface

public function fireLog($param);

Procedural Interface

securepdf_pdfform_register_callback($res, 3, array($this, 'fireLog'));

Parameter List

 'loglevel'
 'message'
 'logtype'

Remarks

This event is fired once for each log message generated by the class. The verbosity is controlled by the LogLevel configuration setting.

The LogLevel parameter indicates the detail level of the message. Possible values are:

The Message parameter is the log message.

The LogType parameter identifies the type of log entry. Possible values are:

• CertValidator
• Font
• HTTP
• PDFInvalidSignature
• PDFRevocationInfo
• Timestamp
• TSL

Password Event (SecurePDF_PDFForm Class)

Fired when the class detects that the PDF document is encrypted with a password.

Object Oriented Interface

public function firePassword($param);

Procedural Interface

securepdf_pdfform_register_callback($res, 4, array($this, 'firePassword'));

Parameter List

 'available'
 'cancel'

Remarks

This event is fired during document processing to report that the document is encrypted with a password. It may be used to supply the correct decryption password to the Password property.

The Available parameter indicates whether the decryption password is already available to the class or still needs to be set. If this parameter is set to false, the correct password must be provided for the decryption attempt to succeed.

The Cancel parameter determines whether the class will stop firing this event to request a password.

RecipientInfo Event (SecurePDF_PDFForm Class)

Fired for each recipient certificate of the encrypted PDF document.

Object Oriented Interface

public function fireRecipientInfo($param);

Procedural Interface

securepdf_pdfform_register_callback($res, 5, array($this, 'fireRecipientInfo'));

Parameter List

 'issuer'
 'serialnumber'
 'subjectkeyidentifier'
 'available'
 'cancel'

Remarks

This event is fired during document processing for each recipient certificate that the document has been encrypted for (if applicable). It may be used to identify the certificate(s) to load and supply to the DecryptionCert property.

The Issuer parameter specifies the subject of the issuer certificate.

The SerialNumber parameter specifies the serial number of the encryption certificate.

The SubjectKeyIdentifier parameter specifies the X.509 subjectKeyIdentifier extension value of the encryption certificate, encoded as a hex string.

The Available parameter indicates whether the decryption certificate is already available to the class or still needs to be set. If this parameter is set to false, the correct certificate must be provided for the decryption attempt to succeed.

The Cancel parameter determines whether the class will stop firing this event to request a certificate.

NOTE: The document may be encrypted with more than one certificate (or have "more than one recipient"), in which case each certificate will cause its own invocation of this event.

Config Settings (PDFForm Class)

PDFForm Config Settings

Base Config Settings

Trappable Errors (PDFForm Class)

PDFForm Errors

PDF Errors

Parsing Errors