The compression level to be used when using a DeflateStream or ZlibStream with CompressionMode.Compress.
Declaration Syntax| C# | Visual Basic | Visual C++ |
public enum CompressionLevel
Public Enumeration CompressionLevel
public enum class CompressionLevel
Members| Member | Description |
|---|---|
| None |
None means that the data will be simply stored, with no change at all.
If you are producing ZIPs for use on Mac OSX, be aware that archives produced with CompressionLevel.None
cannot be opened with the default zip reader. Use a different CompressionLevel.
|
| Level0 |
Same as None.
|
| BestSpeed |
The fastest but least effective compression.
|
| Level1 |
A synonym for BestSpeed.
|
| Level2 |
A little slower, but better, than level 1.
|
| Level3 |
A little slower, but better, than level 2.
|
| Level4 |
A little slower, but better, than level 3.
|
| Level5 |
A little slower than level 4, but with better compression.
|
| Default |
The default compression level, with a good balance of speed and compression efficiency.
|
| Level6 |
A synonym for Default.
|
| Level7 |
Pretty good compression!
|
| Level8 |
Better compression than Level7!
|
| BestCompression |
The "best" compression, where best means greatest reduction in size of the input data stream.
This is also the slowest compression.
|
| Level9 |
A synonym for BestCompression.
|