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Asp.net 2.0 自定義控件開發

2013-11-15 12:48:07  來源: ASP編程 

  (一) 概述

  控件名稱 工具欄控件 分為主菜單和子菜單部分 涉及到公司代碼版權 目前版本不是最終版本 且去除了一些代碼 後面可下載的僅為純控件開發技術相關代碼  通過擴展可以任意定制需要的功能 裡面一些設計思想也具有參考價值

  (二) 控件運行效果截圖

    默認樣式和自定義樣式

  

  

      項集合編輯器

  

  

  

  


    (三) 代碼部分

   主控件類ToolButton代碼:

      /// <summary>
      /// Author: 【金鷹】【專注於DotNet技術】【ChengKing(ZhengJian)】
      /// Blog:   Http:///ChengKing
      /// </summary>
     
      using System;
      using SystemCollectionsGeneric;
      using SystemComponentModel;
      using SystemText;
     using SystemWeb;
     using SystemWebUI;
     using SystemWebUIWebControls;
     using SystemWebUIHtmlControls;
     using SystemIO;
     using SystemDrawing;
    
     namespace ToolButton
     {
          [DefaultProperty(Text)]
          [ToolboxData(<{}:ToolButton runat=server></{}:ToolButton>)]
          public class ToolButton : CompositeControl INamingContainer
          {
              #region 內部變量
    
              //含下拉箭頭單元格的ID
              private string tcDownID = ;
    
              //本控件的ID
              private string tbID = ;
    
              #endregion
    
              #region 屬性
    
              /// <summary>
              /// 設置或獲取顯示的文本
              /// </summary>
              [Bindable(true)]
              [Category(Appearance)]
              [DefaultValue([按鈕文本])]
              [Localizable(true)]
              [Description(顯示的文本)]
              public string Text
              {
                  get
                  {
                      string s = (string)ViewState[Text];
                      return ((s == null) ? StringEmpty : s);
                  }
                  set
                  {
                      ViewState[Text] = value;
                  }
              }
    
              /// <summary>
              /// 設置或獲取圖片路徑
              /// </summary>
              [Bindable(true)]
              [Category(Appearance)]
              [DefaultValue(NoPicgif)]
              [Localizable(true)]
              [Description(顯示圖像的文件名)]
              public string ImageName
              {
                  get
                  {
                      String s = (String)ViewState[ImageName];
                      return ((s == null) ? StringEmpty : s);
                  }
    
                  set
                  {
                      ViewState[ImageName] = value;
                  }
              }
    
              /// <summary>
              /// 設置或獲取圖片文件夾目錄
              /// </summary>
              [Bindable(true)]
              [Category(客戶端路徑)]
              [DefaultValue()]
              [Localizable(true)]
              [Description(資源(image/css/js)的客戶端根目錄)]
              public string ClientPath
              {
                  get
                  {
                      String s = (String)ViewState[ClientPath];
                      return ((s == null) ? StringEmpty : s);
                  }
    
                  set
                  {
                      ViewState[ClientPath] = value;
                  }
              }
    
             /// <summary>
             ///  設置或獲取點擊按鈕執行的命令(點擊大按鈕執行的命令)
             /// </summary>
             [Bindable(true)]
             [Category(行為)]
             [DefaultValue()]
             [Localizable(true)]
             [Description(點擊控件執行的命令字串)]
             public string Command
             {
                 get
                 {
                     string s = (string)ViewState[Command];
                     return ((s == null) ? StringEmpty : s);
                 }
                 set
                 {
                     ViewState[Command] = value;
                 }
             }
   
             private PopupMenu _Items = new PopupMenu();
   
             /// <summary>
             /// 獲取子菜單集合
             /// </summary>
             [PersistenceMode(PersistenceModeInnerDefaultProperty)]
             [DesignerSerializationVisibility(DesignerSerializationVisibilityContent)]
             [Description(獲取或設置下拉子菜單項集合)]
             [Category(雜項)]
             [NotifyParentProperty(true)]
             [TypeConverter(typeof(CollectionConverter))]
             [DesignOnly(false)]
             public PopupMenu Items
             {
                 get
                 {
                     if (_Items == null)
                     {
                         _Items = new PopupMenu();
                     }
                     return _Items;
                 }
             }
   
             /// <summary>
             /// 設置或獲取子菜單集合句柄
             /// </summary>
             [Browsable(false)]
             [Description(獲取或設置菜單)]
             public PopupMenu Menu
             {
                 get
                 {
                     return _Items;
                 }
                 set
                 {
                     this_ItemsClear();
                     foreach (PopupMenuItem item in value)
                     {
                         this_ItemsAdd(item);
                     }
                 }
             }
   
             [Browsable(true)]
             [Category(CSS樣式)]
             [Description(獲取或設置主控件的OnMouseOver樣式)]
             public string CSS_MAIN_ONMOUSEOVER_CLASSNAME
             {
                 get
                 {
                     string s = (string)ViewState[CSS_MAIN_ONMOUSEOVER];
                     return ((s == null) ? StringEmpty : s);
                 }
                 set
                 {
                     ViewState[CSS_MAIN_ONMOUSEOVER] = value;
                 }
             }
             [Browsable(true)]
             [Category(CSS樣式)]
             [Description(獲取或設置主控件的OnMouseOut樣式)]
             public string CSS_MAIN_ONMOUSEOUT_CLASSNAME
             {
                 get
                 {
                     string s = (string)ViewState[CSS_MAIN_ONMOUSEOUT];
                     return ((s == null) ? StringEmpty : s);
                 }
                 set
                 {
                     ViewState[CSS_MAIN_ONMOUSEOUT] = value;
                 }
             }
             [Browsable(true)]
             [Category(CSS樣式)]
             [Description(獲取或設置下拉款項的OnMouseOver樣式)]
             public string CSS_SUBITEM_ONMOUSEOVER_CLASSNAME
             {
                 get
                 {
                     string s = (string)ViewState[CSS_SUBITEM_ONMOUSEOVER];
                     return ((s == null) ? StringEmpty : s);
                 }
                 set
                 {
                     ViewState[CSS_SUBITEM_ONMOUSEOVER] = value;
                 }
             }
             [Browsable(true)]
             [Category(CSS樣式)]
             [Description(獲取或設置下拉款項的OnMouseOut樣式)]
             public string CSS_SUBITEM_ONMOUSEOUT_CLASSNAME
             {
                 get
                 {
                     string s = (string)ViewState[CSS_SUBITEM_ONMOUSEOUT];
                     return ((s == null) ? StringEmpty : s);
                 }
                 set
                 {
                     ViewState[CSS_SUBITEM_ONMOUSEOUT] = value;
                 }
             }
   
   
             #endregion
   
             #region 構造函數
   
             /// <summary>
             /// 構造函數
             /// </summary>
             public ToolButton()
             {
                 //設置一套默認風格
                 thisBackColor = ColorFromName(MenuBar);//ViewState[BackColor] = ColorFromName(MenuBar);
                 ViewState[Text] = [按鈕文本];
                 //ViewState[ClientPath] = ToolButtonImages;
                 ViewState[ImageName] = NoPicgif;
                 thisBorderStyle = BorderStyleNotSet;//ViewState[BorderStyle] = BorderStyleNotSet;
                 thisBorderWidth = UnitPixel();//ViewState[BorderWidth] = UnitPixel();
                 thisBorderColor = ColorFromName(ControlDark);//ViewState[BorderColor] = ColorFromName(ControlDark);
                 thisHeight = UnitPixel();//ViewState[Height] = UnitPixel();
                 //thisWidth = UnitPixel();]
             }
   
             #endregion
   
             #region 方法
   
             protected override void Render(HtmlTextWriter writer)
             {
                 //baseRender(writer);
                 PrepareControlForRendering();
                 baseRenderContents(writer);
             }
   
             /// <summary>
             /// 設置控件樹的樣式和客戶端事件
             /// </summary>
             private void PrepareControlForRendering()
             {
   
                 if (thisControlsCount < )
                 {
                     return;
                 }
   
                 bool IsCustomStyle = CSS_MAIN_ONMOUSEOVER_CLASSNAME != StringEmpty && CSS_MAIN_ONMOUSEOUT_CLASSNAME != StringEmpty;
   
                 Table t = (Table)thisControls[];
                 tCellPadding = ;
                 tCellSpacing = ;
                 tStyleAdd(Cursor default);
                 tCopyBaseAttributes(this);
                 tHeight = thisHeight;
                 tWidth = thisWidth;
                 tBorderStyle = thisBorderStyle;
                 tBorderWidth = UnitPixel();
                 tAttributesAdd(onselectstart return false;);
   
                 //tStyleAdd(aligh left);
                 //tStyleAdd(tablelayout fixed);
                 //tStyleAdd(wordwrap breakword);
                 //***display:inline block);
   
                 //if (CSS_MAIN_ONMOUSEOVER_CLASSNAME != StringEmpty && CSS_MAIN_ONMOUSEOUT_CLASSNAME != StringEmpty)
                 //{
                 //    tCssClass = thisCSS_MAIN_ONMOUSEOUT_CLASSNAME;
                 //    tAttributesAdd(onmouseenter ChangeClassName(this + CSS_MAIN_ONMOUSEOVER_CLASSNAME + ));
                 //    tAttributesAdd(onmouseleave ChangeClassName(this + CSS_MAIN_ONMOUSEOUT_CLASSNAME + ));
                 //}
   
   
                 if (tRowsCount > )
                 {
                     TableRow tr = tRows[];
                     //if (IsCustomStyle == false)
                     //{
                         trBorderWidth = UnitPixel();
                    // }
   
   
                     ////應用用戶定義樣式
                     //if (IsCustomStyle)
                     //{
                     //    trCssClass = thisCSS_MAIN_ONMOUSEOUT_CLASSNAME;
                     //    trAttributesAdd(onmouseenter ChangeClassName(this + CSS_MAIN_ONMOUSEOVER_CLASSNAME + ));
                     //    trAttributesAdd(onmouseleave ChangeClassName(this + CSS_MAIN_ONMOUSEOUT_CLASSNAME + ));
                     //}
   
                     for (int i = ; i < trCellsCount; i++)
                     {
                         TableCell tc = trCells[i];
                         //tcStyleAdd(align left);
                         if (IsCustomStyle == false)
                         {
                             tcBorderColor = thisBorderColor;
                             tcBorderStyle = thisBorderStyle;
                         }
   
                         string strBorderWidth = intParse(thisBorderWidthValueToString())ToString();
   
                         //應用用戶定義樣式
                         if (IsCustomStyle)
                         {
                             tcCssClass = thisCSS_MAIN_ONMOUSEOUT_CLASSNAME;
                         }
                         else
                         {
                             tcCssClass = this CssClass;
                         }
   
   
                         if (i == )
                         {
                             if (IsCustomStyle == false)
                             {
                                 tcBorderWidth = thisBorderWidth;
                                 tcStyleAdd(borderWidth strBorderWidth + px px + strBorderWidth + px + strBorderWidth + px);
                             }
                             else
                             {
                                 tcStyleAdd(borderRightWidth px);
                                 //固定Borderwidth
                                 //tcStyleAdd(borderWidth px px px px);
                             }
   
                             if (thisCommand != null && thisCommandLength > )
                             {
                                 string strCommand = thisCommandTrim()Replace(\ )Replace(&nbsp; );
                                 tcAttributesAdd(onclick strCommand);
   
                                 if (IsCustomStyle == false)
                                 {
                                     string str = ColorFromName(LightGray)ToString();
                                     tcAttributesAdd(onmouseenter thisstyleborderStyle=inset; thisparentElementchildren()styleborderStyle=inset;);
                                     tcAttributesAdd(onmouseleave thisstyleborderStyle=outset;thisparentElementchildren()styleborderStyle=outset;);
                                 }
                                 else
                                 {
                                     tcAttributesAdd(onmouseenter ChangeClassName(this + CSS_MAIN_ONMOUSEOVER_CLASSNAME + ); + ChangeClassName(thisparentElementchildren() + CSS_MAIN_ONMOUSEOVER_CLASSNAME + ););
                                     tcAttributesAdd(onmouseleave ChangeClassName(this + CSS_MAIN_ONMOUSEOUT_CLASSNAME + ); + ChangeClassName(thisparentElementchildren() + CSS_MAIN_ONMOUSEOUT_CLASSNAME + ););
                                 }
                             }
   
                             //tcStyleAdd(bordercolor red);
                             //tcStyleAdd(width ((SystemWebUIWebControlsImage)tcControls[])WidthToString());
                         }
                         else if (i == )
                         {
                             if (IsCustomStyle == false)
                             {
                                 tcBorderWidth = thisBorderWidth;
                                 tcStyleAdd(borderWidth strBorderWidth + px px + strBorderWidth + px px);
                             }
                             else
                             {
                                 tcStyleAdd(borderLeftWidth px);
                                 //固定Borderwidth
                                 //tcStyleAdd(borderWidth px px px px);
                             }
   
                             if (thisCommand != null && thisCommandLength > )
                             {
                                 string strCommand = thisCommandTrim()Replace(\ )Replace(&nbsp; );
                                 tcAttributesAdd(onclick strCommand);
                                 if (IsCustomStyle == false)
                                 {
                                     tcAttributesAdd(onmouseenter thisstyleborderStyle=inset; thisparentElementchildren()styleborderStyle=inset;);
                                     tcAttributesAdd(onmouseleave thisstyleborderStyle=outset;thisparentElementchildren()styleborderStyle=outset;);
                                 //    tcCssClass = mainexit;
                                 //    tcAttributesAdd(onmouseenter ChangeClassName(this mainfocus);ChangeClassName(thisparentElementchildren()mainfocus););
                                 //    tcAttributesAdd(onmouseleave ChangeClassName(this mainexit);ChangeClassName(thisparentElementchildren()mainexit););
                                 }
                                 else
                                 {
                                     tcAttributesAdd(onmouseenter ChangeClassName(this + CSS_MAIN_ONMOUSEOVER_CLASSNAME + ); + ChangeClassName(thisparentElementchildren() + CSS_MAIN_ONMOUSEOVER_CLASSNAME + ););
                                     tcAttributesAdd(onmouseleave ChangeClassName(this + CSS_MAIN_ONMOUSEOUT_CLASSNAME + ); + ChangeClassName(thisparentElementchildren() + CSS_MAIN_ONMOUSEOUT_CLASSNAME + ););
                                 }
                             }
   
                             if (IsCustomStyle == false)
                             {
                                 tcFontMergeWith(thisFont);
                             }
                         }
                         else if (i == )
                         {
                             if (IsCustomStyle == false)
                             {
                                 tcBorderWidth = thisBorderWidth;
                             }
                             else
                             {
                                 //固定Borderwidth
                                 //tcStyleAdd(borderWidthpx px px px);
                             }
                             if (IsCustomStyle == true)
                             {
                                 tcAttributesAdd(onmouseenter ChangeClassName(this + CSS_MAIN_ONMOUSEOVER_CLASSNAME + ););
                                 tcAttributesAdd(onmouseleave ChangeClassName(this + CSS_MAIN_ONMOUSEOUT_CLASSNAME + ););
                             }
                             else
                             {
                                 tcAttributesAdd(onmouseenter thisstyleborderStyle=inset;);
                                 tcAttributesAdd(onmouseleave thisstyleborderStyle=outset;);
                             }
                             //tcStyleAdd(bordercolor red);
                         }
   
                         if (IsCustomStyle == false)
                         {
                             tcForeColor = thisForeColor;
                             tcBackColor = thisBackColor;
                         }
   
                         if (tcID == tcDownID)
                         {
                             if (thisItemsCount > )
                             {
                                 tcAttributesAdd(onclick activeMenu( + thisUniqueID + ););
                             }
                             else
                             {
                                 tcEnabled = false;
                                 //tcStyleAdd(display none);
                                 if (tcParentControlsCount >= )
                                 {
                                     ((TableCell)tcParentControls[])StyleAdd(borderRightWidth px);
                                 }
                             }
                         }
                     }
                 }
             }
   
             /// <summary>
             /// 創建子控件的層次結構
             /// </summary>
             protected override void CreateChildControls()
             {
                 Table t = new Table();
                 tbID = thisUniqueID + _table;
                 tID = tbID;
   
                 TableRow tr = new TableRow();
                 tRowsAdd(tr);
   
                 TableCell tc_img = new TableCell();
                 if (thisClientPath != StringEmpty || thisImageName != StringEmpty)
                 {
                     string strImageUrl = PathCombine(thisClientPath ToolButtonImages\\ + thisImageName);
                     SystemWebUIWebControlsImage image = new SystemWebUIWebControlsImage();
                     imageBorderWidth = UnitPixel();
                     imageImageUrl = strImageUrl;
                     tc_imgControlsAdd(image);
                     trCellsAdd(tc_img);
                 }
   
                 TableCell tc_text = new TableCell();
                 tc_textControlsAdd(new LiteralControl(&nbsp; + thisText + &nbsp;));
                 trCellsAdd(tc_text);
   
                 TableCell tc_downmenu = new TableCell();
                 tcDownID = thisUniqueID + tcDown;
                 tc_downmenuID = tcDownID;
                 tc_downmenuControlsAdd(new LiteralControl(<font size=>▼</font>));
                 trCellsAdd(tc_downmenu);
   
                 thisControlsAdd(t);
                 baseCreateChildControls();
             }
   
             //protected override void RenderContents(HtmlTextWriter writer)
             //{
             //    baseRenderContents(writer);
             //}
   
             /// <summary>
             /// 注冊客戶端腳本
             /// </summary>
             /// <param name=e></param>
             protected override void OnPreRender(EventArgs e)
             {
   
                 //引用JS文件
                 if (!PageClientScriptIsClientScriptBlockRegistered(thisGetType() BuildMenu))
                 {
                     //string jsPath = clientPath + /Js/ + jsscriptjs;
                     PageClientScriptRegisterClientScriptBlock(thisGetType() BuildMenu
                         <script type=text/javascript src=js/ToolButton_JScriptjs></script>);
                 }
   
   
                 ///<summary>
                 /// 注冊makeMenu方法腳本
                 ///<summary>
                 StringBuilder strAddMenuItemScript = new StringBuilder();
                 if (thisItemsCount != )
                 {
                     //if (thisCSS_MAIN_ONMOUSEOUT_CLASSNAME != StringEmpty)
                     //{
   
                     //    TableCell tc = new TableCell();
                     //    tcCssClass = thisCSS_MAIN_ONMOUSEOUT_CLASSNAME;
                     //    Color c = tcBorderColor;
                     //}
   
                     strAddMenuItemScriptAppend( function makeMenu+thisUniqueID+(UniqueID));
                     strAddMenuItemScriptAppend( { );
                     strAddMenuItemScriptAppend(   var myMenu item;  );
                     strAddMenuItemScriptAppend(                           );
                     strAddMenuItemScriptAppend(                               );
                     strAddMenuItemScriptAppend(   myMenu = new contextMenu(UniqueID); );
                     strAddMenuItemScriptAppend(                               );
                     foreach (PopupMenuItem item in thisItems)
                     {
                         string strImageSrc;
                         strImageSrc = PathCombine(thisClientPath @ToolButtonImages\ + itemImageName);
                         strImageSrc = strImageSrcReplace(\\ \\\\);
   
                         string strCommand;
                         try
                         {
                             strCommand = itemCommandTrim()Replace(\ )Replace(&nbsp; );
                         }
                         catch
                         {
                             strCommand = null;
                         }
   
                         strAddMenuItemScriptAppend(   item = new contextItem( + (itemText == null ? : itemText) + + strImageSrc + \ + (strCommand == null ? : (strCommand + ; hideCurrentMenu())) + \ + Menu + + thisCSS_SUBITEM_ONMOUSEOVER_CLASSNAME + + thisCSS_SUBITEM_ONMOUSEOUT_CLASSNAME + ););
                         strAddMenuItemScriptAppend(   myMenuaddItem(item); );
   
                     }
                     strAddMenuItemScriptAppend( );
                     strAddMenuItemScriptAppend( myMenushow(thisdocument););
                     strAddMenuItemScriptAppend( );
                     strAddMenuItemScriptAppend( delete item;);
                     strAddMenuItemScriptAppend(  delete myMenu;);
                     strAddMenuItemScriptAppend( });
                 }
                 else
                 {
                     strAddMenuItemScriptAppend( function makeMenu+thisUniqueID+(UniqueID));
                     strAddMenuItemScriptAppend( { );
                     //strAddMenuItemScriptAppend(   alert(No Set Items Property!););
                     strAddMenuItemScriptAppend( });
                 }
   
                 if (!PageClientScriptIsClientScriptBlockRegistered(thisGetType() AddMenuItemScript+thisUniqueID))
                 {
                     PageClientScriptRegisterClientScriptBlock(thisGetType() AddMenuItemScript+thisUniqueID strAddMenuItemScriptToString() true);
                 }
   
                 /////<summary>
                 ///// 注冊contextMenu方法腳本
                 /////<summary>
                 //StringBuilder strCreateDiv = new StringBuilder();
                 //strCreateDivAppend(function contextMenu + thisUniqueID + ());
                 //strCreateDivAppend({\r\n);
                 //strCreateDivAppend(ems   = new Array();\r\n);
                 //strCreateDivAppend(thisaddItem = function(item)\r\n);
                 //strCreateDivAppend({\r\n);
                 //strCreateDivAppend( ems[emslength] = item;\r\n);
                 //strCreateDivAppend(}\r\n);
                 //strCreateDivAppend(thisshow = function (oDoc)\r\n);
                 //strCreateDivAppend({\r\n);
                 //strCreateDivAppend( var strShow = \\;\r\n);
                 //strCreateDivAppend( var i;\r\n);
                 //strCreateDivAppend( strShow = \<div id=rightmenu + thisUniqueID + onclick=eventcancelBubble=true;return true; style=BACKGROUNDCOLOR: system; BORDER: # px solid; LEFT: px; POSITION: absolute; TOP: px; display: none; ZINDEX: >\; \r\n);
                 //strCreateDivAppend( strShow += \<table border= height=\; \r\n);
                 //strCreateDivAppend( strShow += emslength * ;\r\n);
                 //strCreateDivAppend( strShow += \ cellpadding= cellspacing=>\;\r\n);
                 //strCreateDivAppend( oDocwrite(strShow);\r\n);
                 //strCreateDivAppend( for(i=; i<emslength; i++)\r\n);
                 //strCreateDivAppend( {\r\n);
                 //strCreateDivAppend(  ems[i]show(oDoc);\r\n);
                 //strCreateDivAppend( }\r\n);
                 //strCreateDivAppend( strShow += \</table>\;\r\n);
                 //strCreateDivAppend( strShow += \</div>\;\r\n);
                 //strCreateDivAppend( oDocwrite(strShow);\r\n);
                 //strCreateDivAppend( }\r\n);
                 //strCreateDivAppend(}\r\n);
                 //if (!PageClientScriptIsClientScriptBlockRegistered(thisGetType() CreateMainDiv + thisUniqueID))
                 //{
                 //    PageClientScriptRegisterClientScriptBlock(thisGetType() CreateMainDiv + thisUniqueID strCreateDivToString() true);
                 //}
   
                 ///<summary>
                 /// 注冊contextMenu方法腳本
                 ///<summary>
                // StringBuilder strChangeStyle = new StringBuilder();strChangeStyleAppend(
   
   
   
   
                 ///<summary>
                 ///添加StartUp腳本
                 ///<summary>
                 Control tcDown = thisFindControl(tcDownID);
                 Control table = thisFindControl(tbID);
                 StringBuilder strInitScript = new StringBuilder();
                 strInitScriptAppend(<script text/javascript> );
                 strInitScriptAppend(   var tbClientID + thisUniqueID + = + tableClientID + ;   makeMenu + thisUniqueID + ( + thisUniqueID + ););
                 strInitScriptAppend(   if( documentall&&windowprint ) );
                 strInitScriptAppend(   { );
                 strInitScriptAppend(      var objClientId = + tcDownClientID + ;);
                 strInitScriptAppend(         var obj = documentgetElementById(objClientId););
                 strInitScriptAppend(         documentonclick = hideCurrentMenu;);
                 strInitScriptAppend(   } );
                 strInitScriptAppend(</script>);
   
                 if (!PageClientScriptIsStartupScriptRegistered(thisGetType() InitScript + thisUniqueID))
                 {
                     PageClientScriptRegisterStartupScript(thisGetType() InitScript + thisUniqueID
                         strInitScriptToString());
                 }
                 baseOnPreRender(e);
             }
   
             #endregion
         }
    }

  


    單個菜單項類PopupMenuItem代碼

     /// <summary>
/// Author: 【金鷹】【專注於DotNet技術】【ChengKing(ZhengJian)】
/// Blog:   Http:///ChengKing
/// </summary>

using System;
using SystemCollectionsGeneric;
using SystemComponentModel;
using SystemText;
using SystemWebUI;

namespace ToolButton
{
     /// <summary>
     /// 下拉菜單子項類
     /// </summary>
     [ToolboxItem(false)]
     public class PopupMenuItem
     {
         private string _ImageName;
         private string _Text;
         private string _Command;
         //private ItemType _Type;

         public PopupMenuItem()
         { }

         public PopupMenuItem(string _ImageName string Text string Command)
         {
             this_ImageName = _ImageName;
             this_Text = Text;
             this_Command = Command;
             //this_Type = Type;
         }

         /// <summary>
         /// 設置或獲取命令圖標路徑
         /// </summary>
         public string ImageName
         {
             get
             {
                 return _ImageName;
             }
             set
             {
                 _ImageName = value;
             }
         }

         /// <summary>
         /// 設置或獲取下拉子菜單項顯示的文本
         /// </summary>
         public string Text
         {
             get { return _Text; }
             set { _Text = value; }
         }


         /// <summary>
         /// 設置或獲取當點擊下拉子菜單項時所調用的命令
         /// </summary>
         public string Command
         {
             get { return _Command; }
             set { _Command = value; }
         }


         ///// <summary>
         ///// 設置或獲取子菜單項的類別(菜單項或分割符)
         ///// </summary>
         //public ItemType Type
         //{
         //    get { return _Type; }
         //    set { _Type = value; }
         //}

     }
}

   菜單集合類PopupMenu代碼

     /// <summary>
  /// Author: 【金鷹】【專注於DotNet技術】【ChengKing(ZhengJian)】
  /// Blog:   Http:///ChengKing
  /// </summary>
 
  using System;
  using SystemCollections;
  using SystemCollectionsGeneric;
  using SystemComponentModel;
  using SystemWebUI;
 
  namespace ToolButton
  {
      /// <summary>
      /// 菜單實現類[實用泛型集合]   
      /// </summary>
      [
      ToolboxItem(false)
      ParseChildren(true)
      ]
      public class PopupMenu : List<PopupMenuItem>
      {
 
          #region 定義構造函數
 
          public PopupMenu()
              : base()
          {
          }
 
          #endregion
 
          /// <summary>
          /// 得到集合元素的個數
          /// </summary>
          public new int Count
          {
              get
              {
                  return baseCount;
              }
          }
 
          /// <summary>
          /// 表示集合是否為只讀
          /// </summary>
          public bool IsReadOnly
          {
              get
              {
                  return false;
              }
          }
          /// <summary>
          /// 添加對象到集合
          /// </summary>
          /// <param name=item></param>
          public new void Add(PopupMenuItem item)
          {
              baseAdd(item);
          }
 
          /// <summary>
          /// 清空集合
          /// </summary>
          public new void Clear()
          {
              baseClear();
          }
 
          /// <summary>
          /// 判斷集合中是否包含元素
          /// </summary>
          /// <param name=item></param>
          /// <returns></returns>
          public new bool Contains(PopupMenuItem item)
          {
              return baseContains(item);
          }
 
          /// <summary>
          /// 移除一個對象
          /// </summary>
          /// <param name=item></param>
          /// <returns></returns>
          public new bool Remove(PopupMenuItem item)
          {
              return baseRemove(item);
          }
 
          /// <summary>
          /// 設置或取得下拉菜單索引項
          /// </summary>
          /// <param name=index></param>
          /// <returns></returns>
          public new PopupMenuItem this[int index]
          {
              get
              {
                 return base[index];
             }
             set
             {
                 base[index] = value;
             }
         }

     }
}

  (四) 示例代碼下載

  

  (五) 其它控件開發文章

  


From:http://tw.wingwit.com/Article/program/ASP/201311/21659.html
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