//所有功能按钮共用一个Click事件
        private void OnButton_Click(object sender, EventArgs e)
        {
            if (sender is SimpleButton)
            {
                var tag = (sender as SimpleButton).Tag;//获取按钮的 Tag

                if (tag != null)
                {
                    //获取按钮的小图标
                    Image img = (sender as SimpleButton).Image;
                    img = ImageLibrary.ResizeImage(img, _TabIconWidth, _TabIconWidth);//修改为16x16
                    ModuleFuns fun;
                    if (Enum.TryParse<ModuleFuns>(tag.ToString(), out fun))
                    {
                        var form = this.OpenForm(fun);//打开winform界面
                        frmMain.Instance.ShowFormIcon(form, img);
                    }
                    else
                        frmMsg.Warning("无法识别的窗体：" + tag.ToString());
                }
            }
        }