Step 1 :download attached DLL with post --> CabLib.zip
Step 2 :Add Reference to that DLL and Add namespace at top
Compression
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CabLib.Compress i_Compress = new CabLib.Compress();
i_Compress.SwitchCompression(eCompress.LZX);
i_Compress.CompressFolder(@"C:\Web", @"C:\Temp\Packed.cab", "*.htm", true, true, 0);