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VB 从零开始编外挂(四)

添加快捷键
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需要VB API函数:
GetAsyncKeyState ←判断函数调用时指定虚拟键的状态
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相关API声明:
GetAsyncKeyState

Private Declare Function GetAsyncKeyState Lib user32 (ByVal vkey As Long) As Integer
Private Function MyHotKey(vKeyCode) As Boolean
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需要的控件:Timer(interval不为空)
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代码:
Private Declare Function GetAsyncKeyState Lib user32 (ByVal vkey As Long) As Integer
Private Function MyHotKey(vKeyCode) As Boolean
MyHotKey = (GetAsyncKeyState(vKeyCode) 0)
End Function
'然后在循环中或Timer的Timer事件中检测
Private Sub Timer1_Timer()
If MyHotKey(vbKeyA) And vbKeyControl Then 'ctrl+A
End '关闭
End If
'其中vbkeyA是键盘″A″的常数,其他键可按F1查得。
End Sub
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其它方法:
比如按下ctrl+A就退出!
'可以设置Form的KeyPreview属性为True,然后在Form_KeyDown事件中添加代码:
Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer)
If KeyCode = Asc(A) And Shift = vbCtrlMask Then unload me '如果ctrl+A键被按下就退出
End Sub

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