Question

我希望在按下ctrl + alt + z ...时显示登录表单，然后按ctrl + alt + c关闭程序。在计时器使用Heres我试过的..但它不工作..我做错了什么？使用计时器的间隔为5000毫秒。寻求一些帮助。谢谢你

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick

    If My.Computer.Keyboard.CtrlKeyDown And My.Computer.Keyboard.AltKeyDown And RichTextBox1.Text = "z" Then
        Me.Hide()
        Form1.Show()

    ElseIf My.Computer.Keyboard.CtrlKeyDown And My.Computer.Keyboard.AltKeyDown And RichTextBox1.Text = "c" Then
        Me.Close()
    End If
End Sub

Answer 1

你不能捕获那样的组合键。这样做......

1）将Form的KeyPreview属性设置为True。

2）在Form的KeyDown事件下添加代码。

Private Sub Form1_KeyDown(sender As Object, e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
    If e.Control And e.Alt And e.KeyCode = Keys.Z Then
        MsgBox("Hi") 
    End If
End Sub

如何在按某些键时在vb.net中显示或关闭（不隐藏）表单

1 个答案: