// 头文件声明
class CDockingPanesRow : public CObject
{
public:
    // 公共方法
    CPaneGroup* GetGroupFromPane(CBasePane* pWnd) const;
    // ...
};

// 实现文件
CPaneGroup* CDockingPanesRow::GetGroupFromPane(CBasePane* pWnd) const
{
    POSITION pos = m_lstControlBars.GetHeadPosition();
    while (pos != NULL)
    {
        CPane* pBar = (CPane*) m_lstControlBars.GetNext(pos);
        if (pBar != NULL && pBar->IsPaneVisible() && pBar->IsKindOf(RUNTIME_CLASS(CPane)))
        {
            CPaneGroup* pGroup = pBar->FindPaneGroup(pWnd);
            if (pGroup != NULL)
                return pGroup;
        }
    }
    return NULL;
}