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C#实现绘制鼠标的示例代码

作者:芝麻粒儿

这篇文章主要为大家详细介绍了如何利用C#实现绘制鼠标的效果,文中的示例代码讲解详细,对我们学习C#有一定的帮助,感兴趣的小伙伴可以跟随小编一起了解一下

实践过程

效果

代码

 public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private int _X, _Y;

        [StructLayout(LayoutKind.Sequential)]
        private struct ICONINFO
        {
            public bool fIcon;
            public Int32 xHotspot;
            public Int32 yHotspot;
            public IntPtr hbmMask;
            public IntPtr hbmColor;
        }

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

        [DllImport("user32.dll", EntryPoint = "GetSystemMetrics")]
        private static extern int GetSystemMetrics(int mVal);

        [DllImport("user32.dll", EntryPoint = "GetCursorInfo")]
        private static extern bool GetCursorInfo(ref CURSORINFO cInfo);

        [DllImport("user32.dll", EntryPoint = "CopyIcon")]
        private static extern IntPtr CopyIcon(IntPtr hIcon);

        [DllImport("user32.dll", EntryPoint = "GetIconInfo")]
        private static extern bool GetIconInfo(IntPtr hIcon, out ICONINFO iInfo);

        private void Form1_Load(object sender, EventArgs e)
        {
        }

        private Bitmap CaptureCursor(ref int _CX, ref int _CY)
        {
            IntPtr _Icon;
            CURSORINFO _CursorInfo = new CURSORINFO();
            ICONINFO _IconInfo;
            _CursorInfo.cbSize = Marshal.SizeOf(_CursorInfo);
            if (GetCursorInfo(ref _CursorInfo))
            {
                if (_CursorInfo.flags == 0x00000001)
                {
                    _Icon = CopyIcon(_CursorInfo.hCursor);

                    if (GetIconInfo(_Icon, out _IconInfo))
                    {
                        _CX = _CursorInfo.ptScreenPos.X - _IconInfo.xHotspot;
                        _CY = _CursorInfo.ptScreenPos.Y - _IconInfo.yHotspot;
                        return Icon.FromHandle(_Icon).ToBitmap();
                    }
                }
            }

            return null;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            int x = Control.MousePosition.X;
            int y = Control.MousePosition.Y;
            pictureBox1.Image = CaptureCursor(ref x, ref y);
        }
    }

到此这篇关于C#实现绘制鼠标的示例代码的文章就介绍到这了,更多相关C#绘制鼠标内容请搜索脚本之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持脚本之家!

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