C# 鼠标左右手切换

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
 
namespace SwapMouse
{
    class Program
    {
        [DllImport("user32.dll")]
        private extern static bool SwapMouseButton(bool fSwap);
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        [DllImport("user32.dll")]
        private extern static int GetSystemMetrics(int index);
 
        static void Main(string[] args)
        {
            int flag = GetSystemMetrics(23);//获取当前鼠标设置状态 
            if (flag == 0)//右手习惯 
            {
                SwapMouseButton(true);//设置成左手 
            }
            else//左手习惯 
            {
                SwapMouseButton(false);//设置成右手 
            }
        }
    } 
 
}