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我做了一个按钮1,如果你点击它,它就会启动计时器。在 timer_tick 中,我输入了 Label7.Text = "LOADIN G"。我也做了退出(Button2)。我想做一个代码,如果 Label7.Text = "LOADIN G" 那么 button2 中的 msgboxresult.no 将是 Button1.Enabled = True 。这是我想如何做到这一点的视频:http ://www.youtube.com/watch?v=4URYhd0xA8I&feature=youtu.be

这是Button2(退出)的代码

 Dim msg As String
    Dim title As String
    Dim style As MsgBoxStyle
    Dim response As MsgBoxResult
    msg = "Are you sure you want to exit?"   ' Define message for exit."
    style = MsgBoxStyle.DefaultButton2 Or _
        MsgBoxStyle.Question Or MsgBoxStyle.YesNo
    title = "Exit"
    ' Display message.
    response = MsgBox(msg, style, title)
    If response = MsgBoxResult.No Then
        If Label7.Text = "L  O  A  D  I  N  G" Then
            Button1.Enabled = True
            Button5.Enabled = False
            TextBox1.Enabled = True
        End If
    End If
    If response = MsgBoxResult.Yes Then
        Me.Close()
    End If

我可以简单地做:

 If response = MsgBoxResult.No Then
            Button1.Enabled = True

但重要的是还提到了 label7,因为 label7 在 timer1 启动时出现。请帮助我不知道发生了什么。

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