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Provides an interface for the implementation of drawing behaviors when a VirtualSurfaceImageSource requests an update.
Inheritance
The IVirtualSurfaceUpdatesCallbackNative interface inherits from the IUnknown interface. IVirtualSurfaceUpdatesCallbackNative also has these types of members:
Methods
The IVirtualSurfaceUpdatesCallbackNative interface has these methods.
| IVirtualSurfaceUpdatesCallbackNative::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.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8.1 [desktop apps | UWP apps] |
| Minimum supported server | Windows Server 2012 R2 [desktop apps | UWP apps] |
| Target Platform | Windows |
| Header | windows.ui.xaml.media.dxinterop.h |
See also
IVirtualSurfaceImageSourceNative