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 # Method ExpandFile

 Last update: 19.06.2026 

Namespace: [Phoenix.BuilderUIClient](Phoenix.BuilderUIClient.md)  
Assembly: Phoenix.BuilderUIClient.dll

## ExpandFile(FileTreeItem)

Fetch the directory contents of the given FileTreeItem and populate them into the view.

```csharp
public void ExpandFile(FileTreeItem item)


```

### Parameters

`item` [FileTreeItem](Phoenix.BuilderUIClient.FileTreeItem.md)

The item that was expanded.