用户按下换档F1时如何停止帮助请求事件？ [英] How to stop helprequested event when user pressed shift F1?

问题描述

我使用HelpRequested事件来处理帮助。使用F1键可以正常工作，但它也适用于Shift F1，我想停止转换F1。



我尝试了什么：



Private Sub KGMERP_HelpRequested（发件人为对象，hlpevent为HelpEventArgs）处理我.HelpRequested



试试< br $>


Process.Start（https://youtu.be/oXz5Cg9T6cw）



Catch ex As例外

msgbox（ex）

结束尝试



结束Sub

I user HelpRequested event to handle help. It works fine with F1 key, but it also works with Shift F1, I want to stop Shift F1.

What I have tried:

Private Sub KGMERP_HelpRequested(sender As Object, hlpevent As HelpEventArgs) Handles me.HelpRequested

Try

Process.Start("https://youtu.be/oXz5Cg9T6cw")

Catch ex As Exception
msgbox(ex)
End Try

End Sub

推荐答案

Private ShiftDown As Boolean
Private Sub Form1_HelpRequested(ByVal sender As Object, ByVal hlpevent As System.Windows.Forms.HelpEventArgs) Handles Me.HelpRequested
    If ShiftDown = False Then
        hlpevent.Handled = True
        MsgBox("Hello World")
    End If
End Sub

Private Sub Form1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
    ShiftDown = e.Shift
End Sub

Private Sub Form1_KeyUp(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyUp
    ShiftDown = False
End Sub

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