更新:2007 年 11 月
| 适用对象 | 
|---|
| 本主题中的信息仅适用于指定的 Visual Studio Tools for Office 项目和 Microsoft Office 版本。 项目类型 
 Microsoft Office 版本 
 有关更多信息,请参见按应用程序和项目类型提供的功能。 | 
此示例在 Microsoft Office Outlook 中创建一个菜单。这个包含一个菜单项的菜单将出现在应用程序的顶部。单击菜单项时,代码将显示一条显示菜单项标题的消息。
示例
Private menuBar As Office.CommandBar
Private newMenuBar As Office.CommandBarPopup
Private buttonOne As Office.CommandBarButton
Private menuTag As String = "A unique tag"
Private Sub ThisApplication_Startup(ByVal sender As Object, ByVal e _
    As System.EventArgs) Handles Me.Startup
    RemoveMenubar()
    AddMenuBar()
End Sub
Private Sub AddMenuBar()
    Try
        menuBar = Me.Application.ActiveExplorer().CommandBars.ActiveMenuBar
        newMenuBar = menuBar.Controls.Add( _
            Office.MsoControlType.msoControlPopup, _
            Temporary:=False)
        If newMenuBar IsNot Nothing Then
            newMenuBar.Caption = "New Menu"
            newMenuBar.Tag = menuTag
            buttonOne = newMenuBar.Controls.Add( _
                Office.MsoControlType.msoControlButton, _
                Before:=1, Temporary:=True)
            With buttonOne
                .Style = Office.MsoButtonStyle.msoButtonIconAndCaption
                .Caption = "Button One"
                .FaceId = 65
                .Tag = "c123"
            End With
            AddHandler buttonOne.Click, AddressOf ButtonOne_Click
            newMenuBar.Visible = True
        End If
    Catch Ex As Exception
        MessageBox.Show(Ex.Message)
    End Try
End Sub
Public Sub ButtonOne_Click(ByVal buttonControl As Office. _
CommandBarButton, ByRef Cancel As Boolean)
    MessageBox.Show("You clicked: " & buttonControl.Caption, _
        "Custom Menu", MessageBoxButtons.OK)
End Sub
Private Sub RemoveMenubar()
    Try
        ' If the menu already exists, remove it.
        Dim foundMenu As Office.CommandBarPopup = _
            Me.Application.ActiveExplorer().CommandBars.ActiveMenuBar. _
            FindControl(Office.MsoControlType.msoControlPopup, _
            System.Type.Missing, menuTag, True, True)
        If foundMenu IsNot Nothing Then
            foundMenu.Delete(True)
        End If
    Catch Ex As Exception
        MessageBox.Show(Ex.Message)
    End Try
End Sub
private Office.CommandBar menuBar;
private Office.CommandBarPopup newMenuBar;
private Office.CommandBarButton buttonOne;
private string menuTag = "A unique tag";
private void ThisAddIn_Startup(object sender, System.EventArgs e)
{
    RemoveMenubar();
    AddMenuBar();
}
private void AddMenuBar()
{
    try
    {
        menuBar = this.Application.ActiveExplorer().CommandBars.ActiveMenuBar;
        newMenuBar = (Office.CommandBarPopup)menuBar.Controls.Add(
            Office.MsoControlType.msoControlPopup,missing,
            missing, missing, false);
        if (newMenuBar != null)
        {
            newMenuBar.Caption = "New Menu";
            newMenuBar.Tag = menuTag;
            buttonOne = (Office.CommandBarButton)newMenuBar.Controls.
            Add(Office.MsoControlType.msoControlButton, missing, 
                missing, 1, true);
            buttonOne.Style = Office.MsoButtonStyle.
                msoButtonIconAndCaption;
            buttonOne.Caption = "Button One";
            buttonOne.FaceId = 65;
            buttonOne.Tag = "c123";
            buttonOne.Click += new
                Office._CommandBarButtonEvents_ClickEventHandler(
                buttonOne_Click);
            newMenuBar.Visible = true;
        }
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message);
    }
}
private void buttonOne_Click(Office.CommandBarButton ctrl,
    ref bool cancel)
{
    MessageBox.Show("You clicked: " + ctrl.Caption,
        "Custom Menu", MessageBoxButtons.OK);
}
private void RemoveMenubar()
{
    // If the menu already exists, remove it.
    try
    {
        Office.CommandBarPopup foundMenu = (Office.CommandBarPopup)
            this.Application.ActiveExplorer().CommandBars.ActiveMenuBar.
            FindControl(Office.MsoControlType.msoControlPopup,
            missing, menuTag, true, true);
        if (foundMenu != null)
        {
            foundMenu.Delete(true);
        }
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message);
    }
}
可靠编程
在类级别上声明命令栏变量。如果在方法内部声明这些变量,则变量将在此方法运行完以后超出范围,垃圾回收器将可以重新分配内存。