Question

我想知道是否有任何方法可以在Winforms中锁定UI线程的情况下移动光标。换一种说法;异步解决方案。

我目前的同步解决方案：

private void Form1_Load(object sender, EventArgs e)
{
    TimeSpan delayt = new TimeSpan(0, 0, 3);
    LinearSmoothMove(new Point(20, 40), delayt);
}

[DllImport("user32.dll")]
static extern bool SetCursorPos(int X, int Y);

public static void LinearSmoothMove(Point newPosition, TimeSpan duration)
{
    Point start = Cursor.Position;
    int sleep = 10;

    double deltaX = newPosition.X - start.X;
    double deltaY = newPosition.Y - start.Y;

    Stopwatch stopwatch = new Stopwatch();
    stopwatch.Start();
    double timeFraction = 0.0;
    do
    {
        timeFraction = (double)stopwatch.Elapsed.Ticks / duration.Ticks;
        if (timeFraction > 1.0)
            timeFraction = 1.0;
        PointF curPoint = new PointF((float)(start.X + timeFraction * deltaX), 
                                    (float)(start.Y + timeFraction * deltaY));
        SetCursorPos(Point.Round(curPoint).X, Point.Round(curPoint).Y);
        Thread.Sleep(sleep);
    } while (timeFraction < 1.0);
}

Answer 1

你可以使用这样的线程或BackgroundWorker：

        BackgroundWorker bw = new BackgroundWorker();

        bw.DoWork += (s, ex) =>
            {
                SetCursorPos(0, 0);
            };

        bw.RunWorkerAsync();

Answer 2

你可以使用BackgroundWorker作为罗马说，但是对于那个小功能，你可以使用一个计时器：

private void Form1_Load(object sender, EventArgs e)
{
   System.Windows.Forms.Timer timer = new System.Windows.Forms.Timer();
   timer.Interval = 10;
   timer.Tick += new EventHandler(t_Tick);
   timer.Start();
}

  void OnTick(object sender, EventArgs e)
  {
     // Your code
  }

异步移动鼠标光标

2 个答案: