Applies to
CompressorObject objects
Description
The value of the Level property specifies the compression level at which the file or folder is compressed. This property takes a value of the CompressionLevel enumerated variable. Values are:
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CompressionLevelNormal! -- This is the default value.
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CompressionLevelFastest!
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CompressionLevelFast!
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CompressionLevelStore! -- No compression.
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CompressionLevelMaximum!
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CompressionLevelBest!
Different compression tool provides different compression rate for each level:
Zip
-
Store – No compression
-
Fastest and Fast – 32 fast bytes, 1 pass (Same as the default Fast level in 7zip)
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Normal, Maximum and Best– 32 fast bytes, 1 pass (Same as the default Normal level in 7zip)
7Zip
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Store – No compression
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Fastest and Fast – 32 fast bytes, 1 MB dictionary (Same as the default Fast level in 7zip)
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Normal, Maximum and Best– 32 fast bytes, 16 MB dictionary (Same as the default Normal level in 7zip)
GZip
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Store – No compression
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Fastest and Fast – 500,000 byte dictionary, 1 pass (Same as the default Fast level in 7zip)
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Normal, Maximum and Best– 900,000 byte dictionary, 1 pass (Same as the default Normal level in 7zip)
TAR
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Store, Fastest, Fast, Normal, Maximum and Best – No compression
