9a26bf5df27cf6129bf2307d10d42c7a91f1ecb3,platform/platform-impl/src/com/intellij/openapi/fileChooser/ex/FileSystemTreeImpl.java,MyExpansionListener,treeExpanded,#TreeExpansionEvent#,437

Before Change


          }


          boolean async = myTreeBuilder.getTreeStructure().isToBuildChildrenInBackground(virtualFile);
          if (virtualFile instanceof NewVirtualFile) {
            RefreshQueue.getInstance().refresh(async, false, null, ModalityState.stateForComponent(myTree), virtualFile);
          }

After Change


          }


          AbstractTreeStructure treeStructure = myTreeBuilder.getTreeStructure();
          boolean async = treeStructure != null && treeStructure.isToBuildChildrenInBackground(virtualFile);
          if (virtualFile instanceof NewVirtualFile) {
            RefreshQueue.getInstance().refresh(async, false, null, ModalityState.stateForComponent(myTree), virtualFile);
          }