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Performs the drawing behaviors when an update to VirtualSurfaceImageSource is requested.
Syntax
HRESULT UpdatesNeeded();
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
Requirement | Value |
---|---|
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 |