private void ctlButton_Click(object sender, EventArgs e)
{
var btn = sender as Button;
var result = CarCtl.TurnFunc(btn.Tag.ToString());
this.lblPostResultInfo.Text = "请求成功 - " + result;
}
public static int KeyBoardHookProc(int nCode, int wParam, IntPtr lParam)
{
if (nCode >= 0)
{
KeyBoardHookStruct kbh = (KeyBoardHookStruct)Marshal.PtrToStructure(lParam, typeof(KeyBoardHookStruct));
Keys k = (Keys)Enum.Parse(typeof(Keys), kbh.vkCode.ToString());
switch (k)
{
case Keys.Left:
if (kbh.flags == 1)
{
// 这里写按下后做什么事
if (CarCtl.CurrentStatus != CarCtl.CarStatus.Up)
{
CarCtl.TurnFunc("t_left");
CarCtl.CurrentStatus = CarCtl.CarStatus.Up;
}
}
else if (kbh.flags == 129)
{
//放开后做什么事
CarCtl.TurnFunc("t_stop");
CarCtl.CurrentStatus = CarCtl.CarStatus.Stop;
}
return(1);
case Keys.Up:
if (kbh.flags == 1)
{
// 这里写按下后做什么事
if (CarCtl.CurrentStatus != CarCtl.CarStatus.Up)
{
CarCtl.TurnFunc("t_up");
CarCtl.CurrentStatus = CarCtl.CarStatus.Up;
}
}
else if (kbh.flags == 129)
{
//放开后做什么事
CarCtl.TurnFunc("t_stop");
CarCtl.CurrentStatus = CarCtl.CarStatus.Stop;
}
return(1);
case Keys.Right:
if (kbh.flags == 1)
{
if (CarCtl.CurrentStatus != CarCtl.CarStatus.Up)
{
CarCtl.TurnFunc("t_right");
CarCtl.CurrentStatus = CarCtl.CarStatus.Up;
}
}
else if (kbh.flags == 129)
{
//放开后做什么事
CarCtl.TurnFunc("t_stop");
CarCtl.CurrentStatus = CarCtl.CarStatus.Stop;
}
return(1);
case Keys.Down:
if (kbh.flags == 1)
{
if (CarCtl.CurrentStatus != CarCtl.CarStatus.Up)
{
CarCtl.TurnFunc("t_down");
CarCtl.CurrentStatus = CarCtl.CarStatus.Up;
}
}
else if (kbh.flags == 129)
{
//放开后做什么事
CarCtl.TurnFunc("t_stop");
CarCtl.CurrentStatus = CarCtl.CarStatus.Stop;
}
return(1);
default:
break;
}
}
return(CallNextHookEx(hHook, nCode, wParam, lParam));
}