如何将uio As String与listbox1.text一起使用?

问题描述

Dim uio() As String = {"number1","number2","number3","number4"}
            If listBox1.SelectedItem(uio) Then
                Button1.BringToFront()
            Else
                Button1.SendToBack()
            End If

但是当我调试它时，什么也没有发生！
它应该是
listBox1.Text
但是它给出了错误

but nothing happens ,when i debug it !
its should be
listBox1.Text
but its gives error

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