56.txt

来自「VB文章集(含API、窗口、数据库、多媒体、系统、文件、等等)」· 文本 代码 · 共 38 行

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使用 kb_event 函数模拟键盘操作   
kb_event函数的使用  
     
下面的函数可以利用kb_event实行一些系统操作


Private Declare Sub keybd_event Lib "user32" (ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Long, ByVal dwExtraInfo As Long)

Private Const VK_LWIN = &H5B
Private Const KEYEVENTF_KEYUP = &H2
Private Const VK_APPS = &H5D
Private Const VK_PLAY = &HFA 

Private Sub DoAction(Index As Integer)
 Dim VK_ACTION As Long

 Select Case Index
  Case 0: '打开资源管理器
   VK_ACTION = &H45
  Case 1: '查找文件
   VK_ACTION = &H46
  Case 2: '最小化所有窗口
   VK_ACTION = &H4D
  Case 3: '运行程序
   VK_ACTION = &H52
  Case 4: '弹出Win菜单
   VK_ACTION = &H5B
  Case 5: '将计算机转入睡眠状态
   VK_ACTION = &H5E
  Case 6: '执行Windows帮助
   VK_ACTION = &H70
 End Select

 Call keybd_event(VK_LWIN, 0, 0, 0)
 Call keybd_event(VK_ACTION, 0, 0, 0)
 Call keybd_event(VK_LWIN, 0, KEYEVENTF_KEYUP, 0)
End Sub  

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