每开一次VS都会增加多一个菜单。'

一下是代码：

OnConnection方法

1  _applicationObject = (DTE2)application;
 2             _addInInstance = (AddIn)addInInst;
 3             if (connectMode == Extensibility.ext_ConnectMode.ext_cm_UISetup
 4             || connectMode == Extensibility.ext_ConnectMode.ext_cm_Startup)
 5             {
 6                 //  如果是安装状态或是插件刚被启动的状态，则创建菜单 
 7                 object[] contextGUIDS = new object[] { };
 8 
 9                 //获取IDE环境的Command集合和CommandBar集合 
10                 //Commands commands = applicationObject.Commands;
11                 //_CommandBars commandBars = applicationObject.CommandBars; 
12 
13 
14                 Commands2 commands = (Commands2)_applicationObject.Commands;
15                 //CommandBar commandBars = (CommandBar)_applicationObject.CommandBars;
16 
17                 //菜单条对象和工具条对象都是CommandBar类型 
18                 CommandBar menuObj, toolbarObj;
19                 //生成新的子菜单对象,将会被插入到菜单条和工具条对象上 
20                 try
21                 {
22 
23                     Command commandObj = commands.AddNamedCommand(_addInInstance,
24                      "PublishUserManage",
25                      "添加用户管理代码",
26                     "添加用户管理的代码",
27                     true,
28                     127,
29                     ref contextGUIDS, (int)vsCommandStatus.vsCommandStatusSupported + (int)vsCommandStatus.vsCommandStatusEnabled
30 
31                     );
32 
33 
34                     //添加主菜单 
35 
36                     CommandBarButton buttonObj;
37 
38                     //创建主菜单项和工具条 
39 
40                     menuObj = (CommandBar)_applicationObject.Commands.AddCommandBar("代码生成(&C)",
41 
42                       vsCommandBarType.vsCommandBarTypeMenu,
43                       ((Microsoft.VisualStudio.CommandBars.CommandBars)_applicationObject.CommandBars)["MenuBar"], 10);
44                     #region 相关帮助信息
45                     /* 
46                       public object AddCommandBar( 
47                            string Name,//新命令栏的名称 
48                            vsCommandBarType Type,//用于确定命令栏类型的 vsCommandBarType 常数
49                            CommandBar CommandBarParent,//要添加新命令栏的 Office CommandBar 对象
50                            int Position// 命令栏中放置新命令栏的索引位置，从 1 开始 
51                       ); 
52                     vsCommandBarType的取值为: 
53                            vsCommandBarTypePopup 10 弹出命令栏 
54                            vsCommandBarTypeToolbar 23 工具栏命令栏 
55                            vsCommandBarTypeMenu 24 菜单命令栏 
56                     */
57                     #endregion 相关帮助信息
58                     //toolbarObj = (CommandBar)_applicationObject.Commands.AddCommandBar("CodeTools(&C)",
59                     //    vsCommandBarType.vsCommandBarTypeToolbar,
60                     //    null,
61                     //    -1);
62                     //toolbarObj.Position = Microsoft.Office.Core.MsoBarPosition.msoBarTop;
63                     buttonObj = (CommandBarButton)commandObj.AddControl(menuObj, menuObj.Controls.Count + 1);
64                     //buttonObj = (CommandBarButton)commandObj.AddControl(toolbarObj, toolbarObj.Controls.Count + 1);
65                     buttonObj.Style = MsoButtonStyle.msoButtonIcon;
66 
67                     //将子菜单加入Project的右键菜单
68                     CommandBar projBar = ((Microsoft.VisualStudio.CommandBars.CommandBars)this._applicationObject.CommandBars)["Project"];
69                     commandObj.AddControl(projBar, 1);
70 
71 
72                     //将子菜单加入Folder的右键菜单
73                     CommandBar folderBar = ((Microsoft.VisualStudio.CommandBars.CommandBars)this._applicationObject.CommandBars)["Folder"];
74                     commandObj.AddControl(folderBar, 1);
75 
76                 }
77                 catch (Exception ex)
78                 {
79                     string error = ex.Message;
80                     MessageBox.Show(error);
81                     //throw;
82                 }
83             }
OnDisconnection方法()

复制代码
 1  try
 2             {
 3                 if (disconnectMode == Extensibility.ext_DisconnectMode.ext_dm_HostShutdown ||
 4                     disconnectMode == Extensibility.ext_DisconnectMode.ext_dm_UserClosed)
 5                 {
 6                     Command commandObj = this._applicationObject.Commands.Item("KentAddin.Connect.PublishUserManage", -1);
 7                     if (commandObj != null)
 8                         commandObj.Delete();
 9                     CommandBar menuObj = ((Microsoft.VisualStudio.CommandBars.CommandBars)this._applicationObject.CommandBars)["代码生成(&C)"];
10                     //CommandBar toolbarObj = ((Microsoft.VisualStudio.CommandBars.CommandBars)this._applicationObject.CommandBars)["CodeTools(&C)"];
11                     if (menuObj != null)
12                     {
13                         this._applicationObject.Commands.RemoveCommandBar(menuObj);
14                         MessageBox.Show("remove");
15                     }
16                     //if (toolbarObj != null)
17                     //    this._applicationObject.Commands.RemoveCommandBar(toolbarObj);
18                 }
19             }
20             catch (Exception ex)
21             {
22                 MessageBox.Show(ex.Message);
23             }