Description: This a modal popup for Win8 metro app. We known that MessageDialog can t defined UI, and Metro s Popup control is not a modal popup. so, we need to defined a modal popup.
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File list (Check if you may need any files):
App2\App.xaml
....\App.xaml.cs
....\App2.csproj
....\App2.sln
....\App2.v11.suo
....\App2_TemporaryKey.pfx
....\Assets
....\......\Logo.png
....\......\SmallLogo.png
....\......\SplashScreen.png
....\......\StoreLogo.png
....\Common
....\......\StandardStyles.xaml
....\MainPage.xaml
....\MainPage.xaml.cs
....\ModalPopup.cs
....\Package.appxmanifest
....\Properties
....\..........\AssemblyInfo.cs