如何在vb.net中检测箭头键? [英] How to detect arrow keys in vb.net?

问题描述

如何使用if语句在vb.net中检测箭头键?

How to detect arrow keys in vb.net using if statement?

推荐答案

检查按键的键代码.用例语句是示例

check keycode for the keypressed.Use case statements here''s the sample

Private Sub Form1_KeyDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles MyBase.KeyDown
    ' Sets Handled to true to prevent other controls from
    ' receiving the key if an arrow key was pressed
    Dim bHandled As Boolean = False
    Select Case e.KeyCode
        Case Keys.Right
            'do stuff
            e.Handled = True
        Case Keys.Left
            'do other stuff
            e.Handled = True
        Case Keys.Up
            'do more stuff
            e.Handled = True
        Case Keys.Down
            'do more stuff
            e.Handled = True
    End Select
End Sub

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