winform實作模拟滑鼠點選

移动鼠标到你想要的位置，然后进行点击，某些时候是很有用的

using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;           

private void button1_Click(object sender, EventArgs e)
        {
            var x = int.Parse(textBox1.Text);
            var y = int.Parse(textBox2.Text);

            Cursor.Position = new Point(x, y);
        }           

private void button2_Click(object sender, EventArgs e)
        {
            var x = int.Parse(textBox1.Text);
            var y = int.Parse(textBox2.Text);
            Cursor.Position = new Point(x, y);

            System.Threading.Thread.Sleep(100);
            // 模拟鼠标左键按下
            mouse_event(MOUSEEVENTF_LEFTDOWN, 0, 0, 0, 0);
            // 模拟鼠标左键弹起
            mouse_event(MOUSEEVENTF_LEFTUP, 0, 0, 0, 0);
        }           

int MOUSEEVENTF_LEFTDOWN = 0x0002;
        int MOUSEEVENTF_LEFTUP = 0x0004;

        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
        public static extern void mouse_event(int dwFlags, int dx, int dy, int cButtons, int dwExtraInfo);