上个星期三开始学自定义控件，做了不少练习。花了一上午时间写了一个imageButton，以前就像写这个控件，只是不会。
图片
正文
这个控件模仿winform中的button，可以支持图片和文字。可以选择执行服务器端程序还是客户端程序，还有一些简单的设置。
不足的是不支持样式，下次希望可以写一个工具条。
以下就是代码
以下为引用的内容：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.UI.WebControls;
using System.ComponentModel;
using System.Web.UI;
using System.Drawing.Design;
using System.Drawing.Drawing2D;
namespace ClassLibrary1
{
[Serializable]
public class Picture
{
private Unit height = 16;
private string src = string.Empty;
[NotifyParentProperty(true)]
[Browsable(true), Bindable(true), Description("图片路径"), Category("Appearance")]
[Editor("System.Web.UI.Design.ImageUrlEditor, System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", typeof(UITypeEditor))]
public string Src
{
get { return this.src; }
set { this.src = value; }
}
[DefaultValue(typeof(Unit),"16px") ]
[NotifyParentProperty(true)]
public Unit Height
{
get { return height; }
set { height = value; }
}
private Unit width = 16;
[NotifyParentProperty(true)]
[DefaultValue(typeof(Unit),"16px")]
public Unit Width
{
get { return width; }
set { width = value; }
}
public enum Align{Left ,Right }
}
[Serializable]
public class Label
{
private string text = string.Empty;
[NotifyParentProperty(true)]
public string Text
{
get { return text; }
set { text = value; }
}
private System.Drawing.Font fontFamily=new System.Drawing.Font("宋体",8);
[NotifyParentProperty(true)]
public System.Drawing.Font Font
{
get { return this.fontFamily; }
set { this.fontFamily = value; }
}
}
[PersistChildren(false )]
[ParseChildren(true)]
public class ImageButton:Control ,INamingContainer,IPostBackEventHandler
{
public enum RaiseEventType {Client,Server }
private Picture pic = new Picture();
private Picture.Align picAlign = Picture.Align.Left;
private Label label = new Label ();
private string jsFunction = string.Empty;
private static readonly object clickKey = new object();
public enum TextAlign {Left ,Center,Right }
[Browsable(true), Bindable(true), Description("javascript方法"), Category("Action")]
public string JSFunction
{
get { return this.jsFunction; }
set { this.jsFunction = value; }
}
private RaiseEventType raiseEvent=RaiseEventType.Server ;
[Browsable(true), Bindable(true), Description("响应事件方式"), Category("Action")]
public RaiseEventType RaiseEvent
{
get { return this.raiseEvent; }
set { this.raiseEvent = value; }
}
private TextAlign align = TextAlign.Left;
[Browsable(true), Bindable(true), Description("文字的对齐方式"), Category("Appearance")]
public TextAlign ALign
{
get { return align; }
set { align = value; }
}
private Unit width = 80;
[Browsable(true), Bindable(true), Description("控件宽度"), Category("Appearance")]
[DefaultValue(typeof(Unit),"80px") ]
public Unit Width
{
get { return this.width; }
set { this.width = value; }
}
[Browsable(true),Bindable(true),Category("Action")]
public event EventHandler OnClick
{
add
{
Events.AddH
[1] [2] [3] 下一页
