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TCompressionStream.CompressionRate Property
TCompressionStream Class | TCompressionStream Members | ZLib Namespace | Description
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Returns the percentage by which the data has been compressed.

Pascal
property CompressionRate: Single;
C++
__property Single CompressionRate;
Description

The compression rate is a read-only property. Its value is calculated and updated as data is written to the stream. For example, if a total of 100 raw (uncompressed) bytes have been written to the stream, and only 25 compressed bytes have been written out, then reading the CompressionRate property will return a value of 75. 

 

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