VC学习:虚拟按键的总结及示例(2)
VK_F19 82H F19 键
VK_F20 83H F20 键
VK_F21 84H F21 键
VK_F22 85H F22 键
VK_F23 86H F23 键
VK_F24 87H F24 键
VK_NUMLOCK 90 NUM LOCK 键
VK_SCROLL 91 SCROLL LOCK 键
VK_ATTN F6 Attn 键
VK_CRSEL F7 CrSel 键
VK_EXSEL F8 ExSel 键
VK_EREOF F9 Erase EOF 键
VK_PLAY FA Play 键
VK_ZOOM FB Zoom 键
VK_OEM_CLEAR FE Clear 键
举例:
(一)响应单独的按键:
先添加PreTranslateMessage()(响应WM_CHAR)也是同样的效果,因为本例只捕捉键盘)
BOOL CMydilog::PreTranslateMessage(MSG* pMsg)
{
// TODO: Add your specialized code here and/or call the base class
if (pMsg->message == WM_KEYDOWN)
{
if(pMsg->wParam=='M')//直接用上面的虚码代替就可以响应所指键
MessageBox("hello");//如果按下M键弹出消息.比如想当按下小键盘1时
//弹出就用VK_NUMPAD1代替'M'
}
return CDialog::PreTranslateMessage(pMsg);
}
(二)组合键的用法:(本例响应Ctrl+X键)
BOOL CMydilog::PreTranslateMessage(MSG* pMsg)
{
// TODO: Add your specialized code here and/or call the base class
if (pMsg->message == WM_KEYDOWN)
{
switch (pMsg->wParam)
{
case VK_ESCAPE:
SetFocus ();
return TRUE;
case 'X':
if(::GetKeyState(VK_CONTROL) < 0)//如果是Shift+X这里就
//改成VK_SHIFT
MessageBox("hello");
return TRUE;
}
}
return CDialog::PreTranslateMessage(pMsg);
}
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