winfrom webBrowser访问某网站，网站弹出提示框，想让程序帮用户点这个提示框

[tkucn]

winfrom　 webBrowser访问某网站，网站弹出提示框，想让程序帮用户点这个提示框 ，选择“是”


这应该怎么写啊

多谢

[水区混混]

#region API函数

        [DllImport("user32.dll")]
        private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

        [DllImport("user32.dll")]
        private static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string strClass, string strWindow);

        [DllImportAttribute("user32.dll")]
        private static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam); //发送消息

        private const int WM_LBUTTONDOWN = 513; // 0x0201   鼠标左键按下
        private const int WM_LBUTTONUP = 514; // 0x0202   鼠标左键弹起

        #endregion

        public static int ClickErrorButton()
        {
            IntPtr hWnd = FindWindow(null, "Windows Internet Explorer");
            hWnd = FindWindowEx(hWnd, IntPtr.Zero, "Button", "是(&Y)");
            if (hWnd != IntPtr.Zero)
            {
                SendMessage(hWnd, WM_LBUTTONDOWN, 0, 0);
                SendMessage(hWnd, WM_LBUTTONUP, 0, 0);
                SendMessage(hWnd, WM_LBUTTONDOWN, 0, 0);
                SendMessage(hWnd, WM_LBUTTONUP, 0, 0);
                return 1;
            }

            return 0;
        }

[tkucn]

正是我想要的，谢谢！