第一次单击时,我希望看到列表框和一些按钮被禁用。
第二次单击时,我希望看到该列表框和按钮再次启用。
我当前的代码是:
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
Handles Button2.Click
lstbx_1.Enabled = False
lstbx_2.Enabled = False
outbtn.Enabled = False
Button2.Text = "remove approval"
End Sub
试试这段代码:
Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
lstbx_1.Enabled = Not (lstbx_1.Enabled)
lstbx_2.Enabled = Not (lstbx_2.Enabled)
outbtn.Enabled = Not (outbtn.Enabled)
If lstbx_1.Enabled = False Then
Button2.Text = "remove approval"
Else
Button2.Text = "Your Text"
End If
End Sub