CompressionMethod Property

The compression method to use.

Syntax

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

Possible Values

CM_DEFLATE(0), 
CM_PPMD(1),
CM_BZIP_2(2)
@property (nonatomic,readwrite,assign,getter=compressionMethod,setter=setCompressionMethod:) int compressionMethod;
- (int)compressionMethod;
- (void)setCompressionMethod:(int)newCompressionMethod;

Possible Values

CM_DEFLATE(0), 
CM_PPMD(1),
CM_BZIP_2(2)
#define PID_ZIP_COMPRESSIONMETHOD 3

IPWORKSZIP_EXTERNAL void* IPWORKSZIP_CALL IPWorksZip_Zip_Get(void *lpObj, int propid, int arridx, int *lpcbVal, int64 *lpllVal);
IPWORKSZIP_EXTERNAL int IPWORKSZIP_CALL IPWorksZip_Zip_Set(void *lpObj, int propid, int arridx, const void *val, int cbVal);

Default Value

0

Remarks

This property specifies the compression method to use. By default the class uses the Deflate compression method (a value of 0). Supported values are:

  • 0 (cmDeflate - default)
  • 1 (cmPPMd)
  • 2 (cmBzip2)

Data Type

Integer

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