void wxIcon::CopyFromBitmap(const wxBitmap& bmp) { UnRef() ; // as the bitmap owns that ref, we have to acquire it as well IconRef iconRef = bmp.GetBitmapData()->GetIconRef() ; AcquireIconRef( iconRef ) ; m_refData = new wxIconRefData( (WXHICON) iconRef ) ; M_ICONDATA->SetWidth( bmp.GetWidth() ) ; M_ICONDATA->SetHeight( bmp.GetHeight() ) ; }