# isInitialized

> The TreeView is initialized by calling Reload(). Therefore returns false until Reload() is called the first time.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.IMGUI.Controls](/engine/6000.3/script-reference/unityeditor/imgui/controls.md)
* **Assembly:** UnityEditor

```csharp
protected bool isInitialized { get; }
```