# IWindowAwareViewModel interface

Implemented by view models that are shown in a window of their own. The window services call [`Attach`](./IWindowAwareViewModel/Attach.md) before showing the window and [`Detach`](./IWindowAwareViewModel/Detach.md) after it closes, which lets the view model observe its window without depending on any window type.

```csharp
public interface IWindowAwareViewModel
```

## Members

| name | description |
| --- | --- |
| [Content](IWindowAwareViewModel/Content.md) { get; } | The object shown in the window body. This is typically a nested view model or a view instance resolved from [`ViewLocatorAttribute`](./ViewLocatorAttribute.md), but plain text works as well. |
| [IsVisible](IWindowAwareViewModel/IsVisible.md) { get; } | `true` while the view model is attached to an open window. |
| [Title](IWindowAwareViewModel/Title.md) { get; } | The window caption, used when the caller does not supply one explicitly. |
| [Attach](IWindowAwareViewModel/Attach.md)(…) | Associates the view model with the window that is about to show it. Called by the window services before the window becomes visible. |
| [Detach](IWindowAwareViewModel/Detach.md)() | Releases the association established by [`Attach`](./IWindowAwareViewModel/Attach.md). Called by the window services once the window has closed, including when the user closed it through the caption button. |

## See Also

* namespace [Eremex.AvaloniaUI.Controls.ApplicationServices](./index.md)

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