Vb.net(Win) Button实现下来菜单 ContextMenuStrip

就是那么简单，当click的时候，就会pop出来了。

    Private Sub Button1_MouseClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles Button1.MouseClick
        ContextMenuStrip1.Show(Button1, e.X, e.Y)
    End Sub