鼠标连点器

//快捷键开启关闭连点器
void CmouseClickDlg::OnHotKey( UINT uMsg, UINT wParam, UINT lParam )
{
    if(!m_canClick) 
    {
        CString str;
        m_txtTime.GetWindowText(str);
        m_interval = atoi(str);
        m_pWindowTimer = SetTimer(0, m_interval, NULL);
        m_canClick = true;
    }
    else
    {
        m_canClick = false;
        KillTimer(m_pWindowTimer);
    }
    
}

//timer回调模拟点击
void CmouseClickDlg::OnTimer( UINT nIDEvent )
{
    if(!m_canClick)
        return;
    static int lasttick = 0;
    if (lasttick == 0)
    {
        lasttick = GetTickCount();
    }
    TRACE("TIME: %d\r\n", GetTickCount()-lasttick);
    lasttick = GetTickCount();
    CPoint pt;
    GetCursorPos(&pt);
    CWnd* pWnd = WindowFromPoint(pt);
    HWND hWnd = pWnd->GetSafeHwnd();
    if(!hWnd)
    {
        MessageBox(_T("获取句柄失败"));
        return;
    }
    
    DWORD dwPId = 0;
    ::GetWindowThreadProcessId(hWnd, &dwPId);
    if(!dwPId) {
        MessageBox(_T("获取PID失败"));
        return;
    }
    ::ScreenToClient(hWnd, &pt);
    DWORD para = pt.y << 16 | pt.x;
    ::PostMessage(hWnd, WM_LBUTTONDOWN, MK_LBUTTON, para);
    ::PostMessage(hWnd, WM_LBUTTONUP, MK_LBUTTON, para);
}

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