IVirtualSurfaceUpdatesCallbackNative::UpdatesNeeded method

Performs the drawing behaviors when an update to VirtualSurfaceImageSource is requested.

Syntax

HRESULT UpdatesNeeded(

);

Parameters

This method has no parameters.

Return Value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

This method is implemented by the developer.

Requirements

   
Minimum supported client Windows 8.1 [UWP apps only]
Minimum supported server Windows Server 2012 R2 [UWP apps only]
Target Platform Windows
Header windows.ui.xaml.media.dxinterop.h
DLL Windows.UI.Xaml.dll

See Also

DirectX and XAML interop

IVirtualSurfaceUpdatesCallbackNative