C#图像处理:截图程序(包含鼠标)

        [DllImport("user32.dll")]
        static extern bool GetCursorInfo(out CURSORINFO pci);

        private const Int32 CURSOR_SHOWING = 0x00000001;
         [StructLayout(LayoutKind.Sequential)]
        struct POINT
        {
            public Int32 x;
            public Int32 y;
        }

        [StructLayout(LayoutKind.Sequential)]
        struct CURSORINFO
        {
            public Int32 cbSize;    
            public Int32 flags;     
            public IntPtr hCursor;     
            public POINT ptScreenPos;   
        }

       
        private void timer1_Tick(object sender, EventArgs e)
        {
            Image myimage = new Bitmap(Screen.PrimaryScreen.WorkingArea.Width, Screen.PrimaryScreen.WorkingArea.Height);
            Graphics g = Graphics.FromImage(myimage);
            g.CopyFromScreen(new Point(0, 0), new Point(0, 0), new Size(Screen.PrimaryScreen.WorkingArea.Width, Screen.PrimaryScreen.WorkingArea.Height));
            CURSORINFO pci;
            pci.cbSize = Marshal.SizeOf(typeof(CURSORINFO));
            GetCursorInfo(out pci);
            System.Windows.Forms.Cursor cur = new System.Windows.Forms.Cursor(pci.hCursor);
            cur.Draw(g, new Rectangle(pci.ptScreenPos.x - 10, pci.ptScreenPos.y - 10, cur.Size.Width, cur.Size.Height));
            pictureBox1.Image = myimage;
        }