private static async Task DispatchDeltaAsync(Control control, Bitmap bitmap, IProtocolStream stream)
{
var buffer = await stream.ReceiveAsync();
control.Invoke(new Action(() =>
{
int len = buffer.DecompressQuick(_bufferUncompressed);
ProcessDelta(bitmap, _bufferUncompressed, 0, len);
control.Refresh();
}));
}