+wxObjectRefData *wxBitmap::CloneRefData(const wxObjectRefData *dataOrig) const
+{
+ const wxBitmapRefData *
+ data = wx_static_cast(const wxBitmapRefData *, dataOrig);
+ if ( !data )
+ return NULL;
+
+ wxBitmap *self = wx_const_cast(wxBitmap *, this);
+
+#if wxUSE_WXDIB
+ // copy the other bitmap
+ if ( data->m_hBitmap )
+ {
+ wxDIB dib((HBITMAP)(data->m_hBitmap));
+ self->CopyFromDIB(dib);
+ }
+ else
+#endif // wxUSE_WXDIB
+ {
+ // don't copy the bitmap data, but do copy the size, depth, ...
+ self->m_refData = new wxBitmapRefData(*data);
+ }
+
+ return m_refData;
+}
+