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IVirtualSurfaceUpdatesCallbackNative interface

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.

MethodDescription
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

Minimum supported client

Windows 8.1 [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2012 R2 [desktop apps | Windows Store apps]

Header

Windows.ui.xaml.media.dxinterop.h

IDL

Windows.ui.xaml.media.dxinterop.idl

DLL

Windows.UI.Xaml.dll

IID

IID_IVirtualSurfaceUpdatesCallbackNative is defined as dbf2e947-8e6c-4254-9eee-7738f71386c9

See also

DirectX and XAML interop
VirtualSurfaceImageSource
IVirtualSurfaceImageSourceNative
IVirtualSurfaceImageSourceNative::RegisterForUpdatesNeeded

 

 

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