private void OnKeyPressed(object sender, GlobalKeyboardHookEventArgs e)
{
//Debug.WriteLine(e.KeyboardData.VirtualCode);
//if (e.KeyboardData.VirtualCode != GlobalKeyboardHook.VkSnapshot)
// return;
// seems, not needed in the life.
//if (e.KeyboardState == GlobalKeyboardHook.KeyboardState.SysKeyDown &&
// e.KeyboardData.Flags == GlobalKeyboardHook.LlkhfAltdown)
//{
// MessageBox.Show("Alt + Print Screen");
// e.Handled = true;
//}
//else
//TODO:加入选项是否完全拦截
if (e.KeyboardState == GlobalKeyboardHook.KeyboardState.KeyDown && e.KeyboardData.VirtualCode == (int)Keys.Left)
{
button1_Click(null, null);
e.Handled = true;
}
else if (e.KeyboardState == GlobalKeyboardHook.KeyboardState.KeyDown && e.KeyboardData.VirtualCode == (int)Keys.Right)
{
button2_Click(null, null);
e.Handled = true;
}
}
public IntPtr LowLevelKeyboardProc(int nCode, IntPtr wParam, IntPtr lParam)
{
bool fEatKeyStroke = false;
var wparamTyped = wParam.ToInt32();
if (Enum.IsDefined(typeof(KeyboardState), wparamTyped))
{
object o = Marshal.PtrToStructure(lParam, typeof(LowLevelKeyboardInputEvent));
LowLevelKeyboardInputEvent p = (LowLevelKeyboardInputEvent)o;
var eventArguments = new GlobalKeyboardHookEventArgs(p, (KeyboardState)wparamTyped);
EventHandler<GlobalKeyboardHookEventArgs> handler = KeyboardPressed;
handler?.Invoke(this, eventArguments);
fEatKeyStroke = eventArguments.Handled;
}
return fEatKeyStroke ? (IntPtr)1 : CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam);
}