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.
| 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.
Requirements
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Minimum supported client |
Windows 8.1 [desktop apps | Windows Store apps] |
|---|---|
|
Minimum supported server |
Windows Server 2012 R2 [desktop apps | Windows Store apps] |
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Header |
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IDL |
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DLL |
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IID |
IID_IVirtualSurfaceUpdatesCallbackNative is defined as dbf2e947-8e6c-4254-9eee-7738f71386c9 |
See also
- DirectX and XAML interop
- VirtualSurfaceImageSource
- IVirtualSurfaceImageSourceNative
- IVirtualSurfaceImageSourceNative::RegisterForUpdatesNeeded