Crisis.Ionic.Zip.ZipEntry.ValidateCompression C# (CSharp) Method

        private void ValidateCompression()
        {
            if ((_CompressionMethod_FromZipFile != (short)CompressionMethod.None) &&
                (_CompressionMethod_FromZipFile != (short)CompressionMethod.Deflate)
#if BZIP
                && (_CompressionMethod_FromZipFile != (short)CompressionMethod.BZip2)
#endif
                )
                throw new ZipException(String.Format("Entry {0} uses an unsupported compression method (0x{1:X2}, {2})",
                                                          FileName, _CompressionMethod_FromZipFile, UnsupportedCompressionMethod));
        }