public unsafe override long Seek(long offset, SeekOrigin origin)
{
ulong newPosition = 0;
comStream.Seek(offset, origin, &newPosition);
return((long)newPosition);
}
private static int Seek(IntPtr thisPtr, long dlibMove, SeekOrigin dwOrigin, ulong *plibNewPosition)
{
try
{
Interop.Ole32.IStream instance = ComInterfaceDispatch.GetInstance <Interop.Ole32.IStream>((ComInterfaceDispatch *)thisPtr);
instance.Seek(dlibMove, dwOrigin, plibNewPosition);
return(S_OK);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
return(ex.HResult);
}
}