# WindowSizeChanged

> This event occurs when window rendering size changes.

## Definition

* **Type:** Delegate
* **Namespace:** [UnityEngine.WSA](/engine/6000.5/script-reference/unityengine/wsa.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public delegate void WindowSizeChanged(int width, int height)
```

## Remarks

For ex., when you snap the application. See [http://ppe.msdn.microsoft.com/en-us/library/windows/apps/windows.ui.core.corewindow.sizechanged](http://ppe.msdn.microsoft.com/en-us/library/windows/apps/windows.ui.core.corewindow.sizechanged) for more information.