public MSCabinet(string cabinetFilename)
{
LocalFilePath = cabinetFilename;
_pCabinetFilenamePinned = Marshal.StringToCoTaskMemAnsi(LocalFilePath); // needs to be pinned as we use the address in unmanaged code.
Decompressor = MSCabDecompressor.CreateInstance();
// open cabinet:
_pNativeCabinet = NativeMethods.mspack_invoke_mscab_decompressor_open(Decompressor, _pCabinetFilenamePinned);
if (_pNativeCabinet == IntPtr.Zero)
{
var lasterror = NativeMethods.mspack_invoke_mscab_decompressor_last_error(Decompressor);
throw new Exception("Failed to open cabinet. Last error:" + lasterror);
}
//Marshal.PtrToStructure(_pNativeCabinet, _nativeCabinet);
_nativeCabinet = (NativeMethods.mscabd_cabinet)Marshal.PtrToStructure(_pNativeCabinet, typeof(NativeMethods.mscabd_cabinet));
}
public void Close(bool isDisposing)
{
Debug.Print("Disposing MSCabinet for {0}. isDisposing:{1}", _cabinetFilename, isDisposing);
if (_pNativeCabinet != IntPtr.Zero)
{
NativeMethods.mspack_invoke_mscab_decompressor_close(_pDecompressor, _pNativeCabinet);
_pNativeCabinet = IntPtr.Zero;
}
if (_pDecompressor != IntPtr.Zero)
{
MSCabDecompressor.DestroyInstance(_pDecompressor);
_pDecompressor = IntPtr.Zero;
}
if (_pCabinetFilenamePinned != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(_pCabinetFilenamePinned);
_pCabinetFilenamePinned = IntPtr.Zero;
}
GC.SuppressFinalize(this);
}
public MSCabinet(string cabinetFilename)
{
#if NET_CORE
cabinetFilename = $"\\\\?\\{cabinetFilename}";
#else
cabinetFilename = new Path(cabinetFilename).WithWin32LongPathPrefix();
#endif
_cabinetFilename = cabinetFilename;
_pCabinetFilenamePinned = Marshal.StringToCoTaskMemAnsi(_cabinetFilename); // needs to be pinned as we use the address in unmanaged code.
_pDecompressor = MSCabDecompressor.CreateInstance();
// open cabinet:
_pNativeCabinet = NativeMethods.mspack_invoke_mscab_decompressor_open(_pDecompressor, _pCabinetFilenamePinned);
if (_pNativeCabinet == IntPtr.Zero)
{
var lasterror = NativeMethods.mspack_invoke_mscab_decompressor_last_error(_pDecompressor);
throw new Exception("Failed to open cabinet. Last error:" + lasterror);
}
//Marshal.PtrToStructure(_pNativeCabinet, _nativeCabinet);
_nativeCabinet = (NativeMethods.mscabd_cabinet)Marshal.PtrToStructure(_pNativeCabinet, typeof(NativeMethods.mscabd_cabinet));
}
