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System.Windows.Forms.TabControl控件的示例2012-01-10 51cto博客 王杰瑞发现学生们特别喜欢用TabControl控件,问过之后才知道,原来他们觉得这个控件看上去比较酷,难怪现在标签式浏览器这么受欢迎。既然喜欢,咱就投其所好,赶紧做了一点教学示例。

这里演示了TabControl的常用事件:SelectedIndexChanged

Sub TabControl1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TabControl1.SelectedIndexChanged        lbMessage.Text = "当前显示的是第" & (TabControl1.SelectedIndex + 1) & "页"End Sub
用编程的方式添加新页

Sub btAdd_Click() Sub btAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btAdd.Click    TabControl1.TabPages.Add(New TabPage("新页"))End Sub
用编程的方式删除选中的页

Sub btDel_Click() Sub btDel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btDel.Click    TabControl1.TabPages.RemoveAt(TabControl1.SelectedIndex)End Sub
向前移动某一页

Sub btLeft_Click() Sub btLeft_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btLeft.Click    Dim selectedIndex As Integer = TabControl1.SelectedIndex    If (selectedIndex = 0) Then        Return "如果是第一页,就不需要向左移动了    Else        Dim selectedTab As TabPage = TabControl1.SelectedTab    "暂存选中的TabPage        TabControl1.TabPages.Remove(selectedTab)                "从现在的位置移除        TabControl1.TabPages.Insert(selectedIndex - 1, selectedTab) "添加到前一个位置(前面的那个TabPage会自动向后移动)    End IfEnd Sub