public bool ExtractFile(string fileName, out byte[] outputData, out int outputLength)
{
if (_disposed)
{
throw new ObjectDisposedException("CabExtract");
}
CabDecompressFile fileToDecompress = new CabDecompressFile
{
Found = false,
Name = fileName
};
_decompressFiles.Add(fileToDecompress);
FdiCopy(FdiContext, NotifyCallback);
if (fileToDecompress.Found)
{
outputData = fileToDecompress.Data;
outputLength = fileToDecompress.Length;
_decompressFiles.Remove(fileToDecompress);
return(true);
}
outputData = null;
outputLength = 0;
return(false);
}
private IntPtr OutputFileOpen(FdiNotification fdin)
{
CabDecompressFile extractFile = _decompressFiles.SingleOrDefault(ef => ef.Name == fdin.psz1);
if (extractFile != null)
{
MemoryStream stream = new MemoryStream();
GCHandle gch = GCHandle.Alloc(stream);
extractFile.Handle = (IntPtr)gch;
return(extractFile.Handle);
}
//Don't extract
return(IntPtr.Zero);
}
private IntPtr OutputFileClose(FdiNotification fdin)
{
CabDecompressFile extractFile = _decompressFiles.Single(ef => ef.Handle == fdin.hf);
Stream stream = StreamFromHandle(fdin.hf);
extractFile.Found = true;
extractFile.Length = (int)stream.Length;
if (stream.Length > 0)
{
extractFile.Data = new byte[stream.Length];
stream.Position = 0;
stream.Read(extractFile.Data,
0,
(int)stream.Length);
}
stream.Close();
return(IntPtr.Zero);
}
public bool ExtractFile(string fileName, out byte[] outputData, out int outputLength)
{
for (int attempt = 0; attempt < ExtractFileAttemptLimit; attempt++)
{
try
{
if (_disposed)
{
throw new ObjectDisposedException("CabExtract");
}
CabDecompressFile fileToDecompress = new CabDecompressFile
{
Found = false,
Name = fileName
};
_decompressFiles.Add(fileToDecompress);
FdiCopy(FdiContext, NotifyCallback);
if (fileToDecompress.Found)
{
outputData = fileToDecompress.Data;
outputLength = fileToDecompress.Length;
_decompressFiles.Remove(fileToDecompress);
return(true);
}
} catch (Exception ex)
{
Thread.Sleep(1000);
}
}
outputData = null;
outputLength = 0;
return(false);
}
