operator long() const { return (long)wxPtrToUInt(m_pItem); }
#else // !WXWIN_COMPATIBILITY_2_4
operator bool() const { return IsOk(); }
operator long() const { return (long)wxPtrToUInt(m_pItem); }
#else // !WXWIN_COMPATIBILITY_2_4
operator bool() const { return IsOk(); }