CompressionMethod Property

Used to set the method of compression.

Syntax

ANSI (Cross Platform)
int GetCompressionMethod();
int SetCompressionMethod(int iCompressionMethod); Unicode (Windows) INT GetCompressionMethod();
INT SetCompressionMethod(INT iCompressionMethod);

Possible Values

CMSZ_LZMA(0), 
CMSZ_BZIP_2(1),
CMSZ_DELTA(2),
CMSZ_COPY(3),
CMSZ_DEFLATE(4),
CMSZ_LZMA_2(5)
@property (nonatomic,readwrite,assign,getter=compressionMethod,setter=setCompressionMethod:) int compressionMethod;
- (int)compressionMethod;
- (void)setCompressionMethod:(int)newCompressionMethod;

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_COMPRESSIONMETHOD 3

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);

Default Value

0

Remarks

This is used to specify different compression methods. By default the class uses the LZMA compression method (a value of 0). Supported values are:

ValueMethod
cmszLzma (0 - default) LZMA
cmszBzip2 (1) BZip2
cmszDelta (2) Delta
cmszCopy (3) Copy (no compression)
cmszDeflate (4) Deflate
cmszLzma2 (5) LZMA2

Data Type

Integer

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