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);
}