ASP.NET自定义Web服务器控件之Button控件

                    ViewState["Size"] = new Size(); 
                } 
                return (Size)ViewState["Size"]; 
            } 
 
            set 
            { 
                ViewState["Size"] = value; 
            } 
        } 
        //定义控件的标签形式 
        protected override HtmlTextWriterTag TagKey 
        { 
            get 
            { 
                return HtmlTextWriterTag.Input; 
            } 
        } 
 
        //初始化 
        protected override void OnInit(EventArgs e) 
        { 
            this.Style.Add("width", Size.Width + "px"); 
            this.Style.Add("height", Size.Height + "px"); 
            this.Attributes.Add("type", "submit"); //提交按钮 
            this.Attributes.Add("value",Text); 
            this.Attributes.Add("name",this.UniqueID);//回发事件必须有的一个属性 
            base.OnInit(e); 
        } 
        //打印当前控件的内容 
        protected override void RenderContents(HtmlTextWriter output) 
        { 
            //output.Write(Text); 
        }