EXCFileProcessing
{
  cfpCompress = 0, 
  cfpDecompress = 1, 
  cfpCalculateCRC32 = 2, 
  cfpCalculateAdler32 = 3 
}

This enumeration is used in parameters of the ReadFile, WriteFile and ProcessFile methods. The meaning of each member of this enumeration can be found in each one of these methods property topics.