void SetMask(wxMask *mask) ;
wxBitmap& operator = (const wxBitmap& bitmap) { if (*this == bitmap) return (*this); Ref(bitmap); return *this; }
- bool operator == (const wxBitmap& bitmap) { return m_refData == bitmap.m_refData; }
- bool operator != (const wxBitmap& bitmap) { return m_refData != bitmap.m_refData; }
+ bool operator == (const wxBitmap& bitmap) const { return m_refData == bitmap.m_refData; }
+ bool operator != (const wxBitmap& bitmap) const { return m_refData != bitmap.m_refData; }
// Format handling
static wxList& GetHandlers() { return sm_handlers; }