Ejemplo n.º 1
0
 public void UnHook()
 {
     Win32Api.UnhookWindowsHookEx(hHook);
 }
Ejemplo n.º 2
0
        private void mh_MouseMoveEvent(object sender, MouseEventArgs e)
        {
            this.label1.Location = new Point(e.X + 10, e.Y - 10);
            this.label1.Text     = "Position:" + e.X + "," + e.Y;
            this.label1.Visible  = true;
            if (CatchStart)
            {
                this.timer1.Enabled = false;
                //Bitmap destBmp = (Bitmap)originBmp.Clone();

                Point  newPoint = new Point(DownPoint.X, DownPoint.Y);
                Point  p2       = new Point(e.X, e.Y);
                Bitmap destBmp  = CapRect(DownPoint, p2);
                if (destBmp == null)
                {
                    return;
                }
                //Bitmap destBmp = CapActvieScreen();
                //Bitmap destBmp = new Bitmap(GetMouseScreen().Bounds.Width, GetMouseScreen().Bounds.Height);
                System.IntPtr DesktopHandle = Win32Api.GetDC(System.IntPtr.Zero);
                Graphics      g             = Graphics.FromHdc(DesktopHandle);
                destBmp.Save(@"d:\destbmp.png");

                Pen pen = new Pen(Color.Blue, 4);

                //Brush brush = new Brush(Color.LightGray,);

                int width  = Math.Abs(e.X - DownPoint.X);
                int height = Math.Abs(e.Y - DownPoint.Y);
                //判断矩形的起始坐标
                if (e.X < DownPoint.X)
                {
                    newPoint.X = e.X;
                }
                if (e.Y < DownPoint.Y)
                {
                    newPoint.Y = e.Y;
                }
                //保存矩形


                CatchRect = new Rectangle(DownPoint, new Size(width, height));

                //this.Opacity = 0;

                //将矩形画在这个画板上
                g.DrawRectangle(pen, CatchRect);

                //释放这个画板
                g.Dispose();
                //重新创建一个Graphics类
                Graphics g1 = this.CreateGraphics();
                //如果之前那个画板不释放,而直接g = this.CreateGraphics()这样的话无法释放掉第一次创建的g,因为只是把地址转到新的g了,如同string一样。
                //将刚才所画的图片画到这个窗体上
                g1.DrawRectangle(pen, CatchRect);
                Clipboard.SetData(DataFormats.Bitmap, destBmp);
                destBmp.Save(@"d:\destbmp.png");
                //这个也可以属于二次缓冲技术,如果直接将矩形画在窗体上,会造成图片抖动并且会有无数个矩形
                //释放这个画板
                g1.Dispose();

                ////释放掉Bmp对象。  k
                destBmp.Dispose();
            }
        }
Ejemplo n.º 3
0
 public int SetHook()
 {
     hProc = new Win32Api.HookProc(MouseHookProc);
     hHook = Win32Api.SetWindowsHookEx(WH_MOUSE_LL, hProc, IntPtr.Zero, 0);
     return(hHook);
 }