鼠标三击的实现

w12

void click_3()
{
}

BOOL CDlgApp::PreTranslateMessage(MSG* pMsg)
{

static short flag=0,flagtime=0;
UINT time;
    static MSG tempMsg;
static DWORD t1,t2,t3=20000;
time=GetDoubleClickTime();
    t2=GetTickCount();
if((pMsg->message == WM_LBUTTONDBLCLK )¦¦(pMsg->message ==WM_LBUTTONDOWN))
{
if(pMsg->message == WM_LBUTTONDBLCLK )
{
t1=GetTickCount();
flag=1;flagtime=1;
            tempMsg.hwnd =pMsg->hwnd;
            tempMsg.message=pMsg->message;
            tempMsg.lParam=pMsg->lParam;
            tempMsg.wParam=pMsg->wParam;
            return true;
}
if(pMsg->message == WM_LBUTTONDOWN)
{
if(flag==1)
{
t2=GetTickCount();
t3=t2-t1;
if(t3<time)
{
click_3();
flag=0;flagtime=0;
return true;
}
flag=0;
}
}

}else{
        if(flagtime)
        {
            t3=t2-t1;
            if(t3>time)
            {
                flagtime=0;
                return CWinApp::PreTranslateMessage(&tempMsg);
            }
        }
    }
return CWinApp::PreTranslateMessage(pMsg);

}