private void KeyPressHandler(object sender, GlobalKeyboardHookEventArgs e) { KeyUpDown = !KeyUpDown; if (KeyUpDown) { if (e.KeyboardData.VirtualCode == GlobalKeyboardHook.F2) { button3.PerformClick(); } if (e.KeyboardData.VirtualCode == GlobalKeyboardHook.F4) { button4.PerformClick(); } if (e.KeyboardData.VirtualCode == GlobalKeyboardHook.F7) { button10.PerformClick(); } if (e.KeyboardData.VirtualCode == GlobalKeyboardHook.F10) { button7.PerformClick(); } } }