Provides an interface for the implementation of drawing behaviors when a VirtualSurfaceImageSource requests an update.
Members
The IVirtualSurfaceUpdatesCallbackNative interface inherits from the IUnknown interface. IVirtualSurfaceUpdatesCallbackNative also has these types of members:
Methods
The IVirtualSurfaceUpdatesCallbackNative interface has these methods.
| Method | Description |
|---|---|
| UpdatesNeeded |
Performs the drawing behaviors when an update to VirtualSurfaceImageSource is requested. |
Remarks
This interface is implemented by the developer to provide specific drawing behaviors for updates to a VirtualSurfaceImageSource. Classes that implement this interface are provided to the IVirtualSurfaceImageSourceNative::RegisterForUpdatesNeeded, which calls the UpdatesNeeded method implementation whenever an update is requested.
See also
- DirectX and XAML interop
- VirtualSurfaceImageSource
- IVirtualSurfaceImageSourceNative
- IVirtualSurfaceImageSourceNative::RegisterForUpdatesNeeded
Build date: 11/28/2012
