void menu_Click(object sender, EventArgs e) { if (ClickEvent != null) { if ((sender as Button).Tag == null) { return; } string menuname = (sender as Button).Tag.ToString(); string section = "LeftMenu"; string path = Application.StartupPath + "\\Config.ini"; string url = IniUtil.ReadIniValue(path, section, menuname); ClickEvent(url); } }