以下是代码片段： using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Runtime.InteropServices;
namespace BrowserMouseClick { public partial class Form1 : Form { [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = false)] static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);
private void btnMouseClick_Click(object sender, EventArgs e) { int x = 100; // X coordinate of the click int y = 80; // Y coordinate of the click IntPtr handle = webBrowser1.Handle; StringBuilder className = new StringBuilder(100); while (className.ToString() != "Internet Explorer_Server") // The class control for the browser { handle = GetWindow(handle, 5); // Get a handle to the child window GetClassName(handle, className, className.Capacity); }
IntPtr lParam = (IntPtr)((y << 16) | x); // The coordinates IntPtr wParam = IntPtr.Zero; // Additional parameters for the click (e.g. Ctrl) const uint downCode = 0x201; // Left click down code const uint upCode = 0x202; // Left click up code SendMessage(handle, downCode, wParam, lParam); // Mouse button down SendMessage(handle, upCode, wParam, lParam); // Mouse button up } } }
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