WinRT: display-information code cleanups

src/render/direct3d11/SDL_render_winrt.cpp

@@ -23,6 +23,7 @@
 #if SDL_VIDEO_RENDER_D3D11 && !SDL_RENDER_DISABLED
 
 #include "SDL_syswm.h"
+#include "../../video/winrt/SDL_winrtvideo_cpp.h"
 extern "C" {
 #include "../SDL_sysrender.h"
 }
@@ -79,11 +80,7 @@ D3D11_GetCoreWindowFromSDLRenderer(SDL_Renderer * renderer)
 extern "C" DXGI_MODE_ROTATION
 D3D11_GetCurrentRotation()
 {
-#if NTDDI_VERSION > NTDDI_WIN8
-    const DisplayOrientations currentOrientation = DisplayInformation::GetForCurrentView()->CurrentOrientation;
-#else
-    const DisplayOrientations currentOrientation = DisplayProperties::CurrentOrientation;
-#endif
+    const DisplayOrientations currentOrientation = WINRT_DISPLAY_PROPERTY(CurrentOrientation);
 
     switch (currentOrientation) {