DefaultEvent( "ClickNext" ):指定組件的默認事件
DefaultProperty( "NextText" ):指定組件的默認屬性
Bindable(true or false):指定屬性是否通常用于綁定
Category( "Appearance" ):指定其屬性或事件將顯示在可視化設計器中的類別
DefaultValue( typeof( Color ) , "" ):指定屬性的默認值
Description( "The background color"):指定屬性或事件的說明
TypeConverter(typeof( WebColorConverter )):指定用作此特性所綁定到的對象的轉換器的類型
Browsable(true or false):指定一個屬性或事件是否應顯示在“屬性”窗口中
DesignerSerializationVisibility( DesignerSerializationVisibility.Hidden ):指定在設計時序列化組件上的屬性時所使用的持久性類型

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簡單控件 事件

EventManager
<!--<br><br>Code highlighting produced by Actipro CodeHighlighter (freeware)<br>http://www.CodeHighlighter.com/<br><br>--> using System;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.ComponentModel;


namespace MyControls
{
/**/ /// <summary>
/// SummarydescriptionforMyEventManager.
/// </summary>
[DefaultEvent( " NextClick " ),DefaultProperty( " text " )]
public class MyEventManager:System.Web.UI.WebControls.WebControl,IPostBackEventHandler
{

public event EventHandlerNextClick;
public event EventHandlerPreClick;

[Bindable( true ),Category( " Behavior " ),DefaultValue( "" ),Description( " text " )]
public string text
{
get
{
return (( string )ViewState[ " text " ] == null ) ? string .Empty:( string )ViewState[ " text " ];
}
set
{
ViewState[ " text " ] = value;
}
}

protected virtual void OnNextClick(EventArgse)
{
if (NextClick != null )
{
NextClick( this ,EventArgs.Empty);
}

}

protected virtual void OnPreClick(EventArgse)
{
if (PreClick != null )
{
PreClick( this ,EventArgs.Empty);
}

}

void IPostBackEventHandler.RaisePostBackEvent( string EventArguments)
{
if (EventArguments == " Pre " )
{
OnPreClick(EventArgs.Empty);
Page.Trace.Warn( " PreButtonClick " );
}
else
{
OnNextClick(EventArgs.Empty);
Page.Trace.Warn( " NextButtonClick " );
}
}

[Bindable( true ),
Category( " Appearance " ),
DefaultValue( "" )]


protected override void Render(HtmlTextWriteroutput)
{
// output.Write(Text);
this .Attributes.AddAttributes(output);

output.AddAttribute(HtmlTextWriterAttribute.Onclick,Page.GetPostBackEventReference( this , " Pre " ));
output.AddAttribute( " language " , " javascript " );

output.RenderBeginTag(HtmlTextWriterTag.Button);
output.Write( " Pre " );
output.RenderEndTag();

output.AddAttribute(HtmlTextWriterAttribute.Onclick,Page.GetPostBackEventReference( this , " Next " ));
output.AddAttribute( " language " , " javascript " );

output.RenderBeginTag(HtmlTextWriterTag.Button);
output.Write( " Next " );
output.RenderEndTag();


base .Render(output);
}
}
}

組件開發中常用的屬性