private static extern int SendInput(int numberOfInputs, ref Input input, int structSize);
private static void SendInput(Input input)
{
SendInput(1, ref input, Marshal.SizeOf(typeof (Input)));
}
private static void SendInput(Input input)
{
SendInput(1, ref input, Marshal.SizeOf(input));
// SendInput(1, new[] {input}, Marshal.SizeOf(input));
}