add support for loading wxListCtrl items and wxImageLists from XRC (closes #10647)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60548 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/xrc/xh_treebk.cpp

@@ -61,6 +61,10 @@ wxObject *wxTreebookXmlHandler::DoCreateResource()
                     GetStyle(wxT("style")),
                     GetName());
 
+        wxImageList *imagelist = GetImageList();
+        if ( imagelist )
+            tbk->AssignImageList(imagelist);
+
         wxTreebook * old_par = m_tbk;
         m_tbk = tbk;
 
@@ -117,6 +121,18 @@ wxObject *wxTreebookXmlHandler::DoCreateResource()
             }
             imgIndex = imgList->Add(bmp);
         }
+        else if ( HasParam(wxT("image")) )
+        {
+            if ( m_tbk->GetImageList() )
+            {
+                imgIndex = GetLong(wxT("image"));
+            }
+            else // image without image list?
+            {
+                ReportError(n, "image can only be used in conjunction "
+                               "with imagelist");
+            }
+        }
 
         // then add the page to the corresponding parent
         if( depth < m_treeContext.GetCount() )