IVirtualSurfaceImageSourceNative::GetUpdateRectCount method

Gets the total number of regions of the surface that must be updated.

Syntax

HRESULT GetUpdateRectCount(
  DWORD *count
);

Parameters

count

Receives the number of regions to update.

Return Value

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

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

IVirtualSurfaceImageSourceNative