wxBitmap(int width, int height, int depth = -1);
wxBitmap(const char bits[], int width, int height, int depth = 1);
wxBitmap(const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_RESOURCE);
wxBitmap(int width, int height, int depth = -1);
wxBitmap(const char bits[], int width, int height, int depth = 1);
wxBitmap(const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_RESOURCE);