SignFolder Method
Signs a folder.
procedure SignFolder(SourceFolder: String; DestFile: String);
Remarks
Use this method to sign a folder of files and get the signed message in a file.
Use SigningKeys to provide the signing keys.
Please note that you might need to provide a passphrase to decrypt your signing key. This can be done via KeyPassphraseNeeded event, or by assigning the passphrase to the key object's Passphrase property.