vb.net 如何在visual basic中的keyDown事件中找出按下了哪个键？
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How to find out which key is pressed in keyDown event in visual basic?
提问by Navid777
I'm writing my first visual basic program, And I want to do something when for example the 'k' button is pressed, I know that I should write the code in "KeyDown" event, but I don't know how to find out that 'k' button is pressed or not
我正在编写我的第一个可视化基本程序，我想在例如按下“k”按钮时做一些事情，我知道我应该在“KeyDown”事件中编写代码，但我不知道如何找到确定是否按下了“k”按钮
采纳答案by SysDragon
If you are using a Windows Forms Application, you have to put the KeyPreviewproperty of the form to Trueso the form will monitorize key events.
如果您使用的是 Windows 窗体应用程序，则必须将窗体的KeyPreview属性放入，True以便窗体监视关键事件。
Then:
然后：
Private Sub Form1_KeyPress(ByVal sender As Object, _
ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles Me.KeyPress
If e.KeyChar = "k" OrElse e.KeyChar = "K" Then
MessageBox.Show("Pressed!")
End If
End Sub
If you prefer, you could use other event:
如果您愿意，可以使用其他事件：
Private Sub Form1_KeyDown(ByVal sender As Object, _
ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
If e.KeyCode = Keys.K Then
MessageBox.Show("Pressed!")
End If
End Sub
