Перенос MainPage в отдельное пространство имен.

src/Intersvyaz/App.xaml.cs

@@ -14,6 +14,7 @@ using Windows.UI.Xaml.Data;
 using Windows.UI.Xaml.Input;
 using Windows.UI.Xaml.Media;
 using Windows.UI.Xaml.Navigation;
+using Intersvyaz.Pages;
 
 namespace Intersvyaz
 {

src/Intersvyaz/Intersvyaz.csproj

@@ -119,7 +119,7 @@
     <Compile Include="App.xaml.cs">
       <DependentUpon>App.xaml</DependentUpon>
     </Compile>
-    <Compile Include="MainPage.xaml.cs">
+    <Compile Include="Pages\MainPage.xaml.cs">
       <DependentUpon>MainPage.xaml</DependentUpon>
     </Compile>
     <Compile Include="Properties\AssemblyInfo.cs" />
@@ -145,7 +145,7 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </ApplicationDefinition>
-    <Page Include="MainPage.xaml">
+    <Page Include="Pages\MainPage.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </Page>

src/Intersvyaz/Pages/MainPage.xaml

@@ -1,8 +1,8 @@
 <Page
-    x:Class="Intersvyaz.MainPage"
+    x:Class="Intersvyaz.Pages.MainPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:local="using:Intersvyaz"
+    xmlns:local="using:Intersvyaz.Pages"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d"