# OnInspectorGUIContext()

> The constructor for creating OnInspectorGUIContext to make IMGUI calls for drawing brush GUI.

## Definition

* **Type:** Constructor
* **Namespace:** [UnityEditor.TerrainTools](/engine/6000.5/script-reference/unityeditor/terraintools.md)
* **Assembly:** UnityEditor

```csharp
public OnInspectorGUIContext()
```