[C#] Disable Input

[Chad]

Currently for XP, Disables Mouse movement and keyboard input.

 using System.Runtime.InteropServices;
 
 [DllImportAttribute("user32.dll", EntryPoint = "BlockInput")]
        [return:MarshalAsAttribute(UnmanagedType.Bool)]
        public static extern bool BlockInput([MarshalAsAttribute(UnmanagedType.Bool)] bool fBlockIt);
 
public static void BlockInput(TimeSpan span) {
  try { 
    NativeMethods.BlockInput(true);
    Thread.Sleep(span);
  } finally {
    NativeMethods.BlockInput(false);
  }
}