FileCompressionMethod Property

This property specifies the compression method used for the individual file.

Syntax

ANSI (Cross Platform)
int GetFileCompressionMethod(int iFileIndex);
int SetFileCompressionMethod(int iFileIndex, int iFileCompressionMethod); Unicode (Windows) INT GetFileCompressionMethod(INT iFileIndex);
INT SetFileCompressionMethod(INT iFileIndex, INT iFileCompressionMethod);

Possible Values

CMSZ_LZMA(0), 
CMSZ_BZIP_2(1),
CMSZ_DELTA(2),
CMSZ_COPY(3),
CMSZ_DEFLATE(4),
CMSZ_LZMA_2(5)
- (int)fileCompressionMethod:(int)fileIndex;
- (void)setFileCompressionMethod:(int)fileIndex:(int)newFileCompressionMethod;

Possible Values

CMSZ_LZMA(0), 
CMSZ_BZIP_2(1),
CMSZ_DELTA(2),
CMSZ_COPY(3),
CMSZ_DEFLATE(4),
CMSZ_LZMA_2(5)
#define PID_SEVENZIP_FILECOMPRESSIONMETHOD 12

IPWORKSZIP_EXTERNAL void* IPWORKSZIP_CALL IPWorksZip_SevenZip_Get(void *lpObj, int propid, int arridx, int *lpcbVal, int64 *lpllVal);
IPWORKSZIP_EXTERNAL int IPWORKSZIP_CALL IPWorksZip_SevenZip_Set(void *lpObj, int propid, int arridx, const void *val, int cbVal);
IPWORKSZIP_EXTERNAL int IPWORKSZIP_CALL IPWorksZip_SevenZip_CheckIndex(void *lpObj, int propid, int arridx);

Default Value

0

Remarks

This property specifies the compression method used for the individual file. The compression method set here is applicable to this file only. Possible values are:

ValueMethod
cmszLzma (0 - default) LZMA
cmszBzip2 (1) BZip2
cmszDelta (2) Delta
cmszCopy (3) Copy (no compression)
cmszDefalte (4) Deflate
cmszDefalte (5) LZMA2

If this property is not set, the method specified by the CompressionMethod property will be used. Note that different files in the archive may use different compression methods.

The FileIndex parameter specifies the index of the item in the array. The size of the array is controlled by the FileCount property.

This property is not available at design time.

Data Type

Integer

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IPWorks ZIP 2020 C++ Edition - Version 20.0 [Build 8300]