vb.net 用MenuStrip动态创建菜单，怎样添加子菜单，并增加click

 Private Sub Form9_Load(ByVal sender As System.Object,ByVal e As System.EventArgs) Handles MyBase.Load

        MenuStrip1.Items.Add("文件",Nothing,AddressOf menuItem_Click).Name = "mnuFile"
        MenuStrip1.Items.Add("编辑",AddressOf menuItem_Click).Name = "mnuEdit"

        Dim doItem As ToolStripMenuItem = MenuStrip1.Items("mnuFile")
        doItem.DropDownItems.Add("打开",AddressOf menuItem_Click).Name = "mnuOpen"
        doItem.DropDownItems.Add("保存",AddressOf menuItem_Click).Name = "mnuSave"

    End Sub

    Private Sub menuItem_Click(ByVal sender As Object,ByVal e As System.EventArgs) Handles MenuStrip1.Click

        Try
            Select Case sender.name
                Case "mnuFile"
                    MsgBox("文件")
                Case "mnuEdit"
                    MsgBox("编辑")
                Case "mnuOpen"
                    MsgBox("打开")
                Case "mnuSave"
                    MsgBox("保存")

            End Select

        Catch ex As Exception

        End Try

    End Sub

（编辑：李大同）

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