c++注册热键，卸载热键

    //注册热键
    hotkeyid1 = GlobalAddAtom(L"hotkey1") - 0xc000;
    hotkeyid2 = GlobalAddAtom(L"hotkey2") - 0xc000;
    m_hotkey1.SetHotKey(VK_F1, NULL);
    m_hotkey2.SetHotKey(VK_F2, NULL);
    RegisterHotKey(this->m_hWnd, hotkeyid1, NULL, VK_F1);
    RegisterHotKey(GetSafeHwnd(), hotkeyid2, NULL, VK_F2);
    RegisterHotKey(GetSafeHwnd(),hotkeyid1,MOD_CONTROL|MOD_ALT,'x' );

void CdmMFCDlg::OnDestroy()
{
    CDialogEx::OnDestroy();

    // TODO: 在此处添加消息处理程序代码
    //卸载热键
    UnregisterHotKey(GetSafeHwnd(), hotkeyid1);
    UnregisterHotKey(GetSafeHwnd(), hotkeyid2);
    GlobalDeleteAtom(hotkeyid1);
    GlobalDeleteAtom(hotkeyid2);

}

//热键消息处理
void CdmMFCDlg::OnHotKey(UINT nHotKeyId, UINT nKey1, UINT nKey2)
{
    // TODO: 在此添加消息处理程序代码和/或调用默认值
    //按键消息
    if (nHotKeyId == hotkeyid1)
    {
        MessageBox(L"启动");
        ShowWindow(0);
        
    }
    else if (nHotKeyId == hotkeyid2)
    {
        MessageBox(L"停止");
        ShowWindow(5);
    }
    CDialogEx::OnHotKey(nHotKeyId, nKey1, nKey2);
}