public static void Seek(this IStream stream, long dlibMove, STREAM_SEEK dwOrigin, out long plibNewPosition)
{
var plibNewPositionPtr = Marshal.AllocCoTaskMem(8);
try
{
stream.Seek(dlibMove, dwOrigin, plibNewPositionPtr);
plibNewPosition = Marshal.ReadInt64(plibNewPositionPtr, 0);
}
finally
{
Marshal.FreeCoTaskMem(plibNewPositionPtr);
}
}
