Windows RT related code cleanup.

Windows RT sample cleanup.
Video I/O code cleanup.

samples/winrt/ImageManipulations/Constants.cpp

@@ -0,0 +1,22 @@
+//*********************************************************
+//
+// Copyright (c) Microsoft. All rights reserved.
+// THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
+// ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
+// IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
+// PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
+//
+//*********************************************************
+
+#include "pch.h"
+#include "MainPage.xaml.h"
+#include "Constants.h"
+
+using namespace SDKSample;
+
+Platform::Array<Scenario>^ MainPage::scenariosInner = ref new Platform::Array<Scenario>
+{
+    // The format here is the following:
+    //     { "Description for the sample", "Fully quaified name for the class that implements the scenario" }
+    { "Enumerate cameras and add a video effect", "SDKSample.MediaCapture.AdvancedCapture" },
+};