# radiusHandleSizeFunction

> The Handles.SizeFunction to specify how large the angle control handle should be.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.IMGUI.Controls](/engine/6000.0/script-reference/unityeditor/imgui/controls.md)
* **Assembly:** UnityEditor

```csharp
public Handles.SizeFunction radiusHandleSizeFunction { get; set; }
```

### Remarks

Defaults to [ArcHandle.DefaultRadiusHandleSizeFunction](/engine/6000.0/script-reference/unityeditor/imgui/controls/archandle/defaultradiushandlesizefunction.md) for new instances of [ArcHandle](/engine/6000.0/script-reference/unityeditor/imgui/controls/archandle.md). The radius handle will be drawn with a size of 0 if a value of null is assigned.

Additional Resources: [ArcHandle.radiusHandleDrawFunction](/engine/6000.0/script-reference/unityeditor/imgui/controls/archandle/radiushandledrawfunction.md).