function LastInput: DWord; var LInput: TLastInputInfo; begin LInput.cbSize := SizeOf(TLastInputInfo);
GetLastInputInfo(LInput);
Result := GetTickCount - LInput.dwTime; end;
//Example: procedure TForm1.Timer1Timer(Sender: TObject); begin Label1.Caption := Format('System Idle since %d ms', [LastInput]); end;
// The GetLastInputInfo function retrieves the time
// of the last input event.
// Minimum operating systems: Windows 2000
