Monitor keyboard and mouse

[Dllimport ("user32.dll", callingconvention = callingconvention. stdcall)]
Private Static extern int getcursorpos (ref point lppoint );
[Dllimport ("user32.dll", callingconvention = callingconvention. stdcall)]
Private Static extern int getkeyboardstate (ref byte lpkeystate );
Private point ptold = new point (0, 0 );
Private void form1_load (Object sender, system. eventargs E)
{
Getcursorpos (ref ptold); // The cursor position at startup
}
Private void timerjavastick (Object sender, system. eventargs E)
{
Byte [] bytcurkeystate = new byte [1, 256];
Getkeyboardstate (ref bytcurkeystate [0]);
For (INT I = 0; I <256; I ++)
{
If (bytcurkeystate [I]> 1) // check whether a keyboard is pressed (including the mouse)
{
Close ();
}
}
Point Pt = new point (0, 0 );
Getcursorpos (ref pt );
If (! PT. Equals (ptold) // check whether the mouse is moved
{
Close ();
}
}