- m_display = (WXDisplay *) NULL;
- m_penGC = (WXGC *) NULL;
- m_brushGC = (WXGC *) NULL;
- m_textGC = (WXGC *) NULL;
- m_bgGC = (WXGC *) NULL;
- m_cmap = (WXColormap *) NULL;
- m_owner = (wxWindow *)NULL;
- m_isMemDC = false;
- m_isScreenDC = false;