File list (Check if you may need any files):
WPNativeCodeTest
................\WPNativeCodeTest
................\................\App.xaml
................\................\App.xaml.cs
................\................\ApplicationIcon.png
................\................\Background.png
................\................\Bin
................\................\...\Debug
................\................\...\.....\ApplicationIcon.png
................\................\...\.....\AppManifest.xaml
................\................\...\.....\Background.png
................\................\...\.....\FFMPEG_Library_WP7.dll
................\................\...\.....\WMAppManifest.xml
................\................\...\.....\WPInteropManifest.xml
................\................\...\.....\WPNativeCodeTest.dll
................\................\...\.....\WPNativeCodeTest.pdb
................\................\...\.....\WPNativeCodeTest.xap
................\................\...\Release
................\................\FFMPEG.cs
................\................\FFMPEG_Library_WP7.dll
................\................\MainPage.xaml
................\................\MainPage.xaml.cs
................\................\NativeCodeWp.dll
................\................\NativeTest.cs
................\................\obj
................\................\...\Debug
................\................\...\.....\App.g.cs
................\................\...\.....\App.g.i.cs
................\................\...\.....\DesignTimeResolveAssemblyReferences.cache
................\................\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
................\................\...\.....\MainPage.g.cs
................\................\...\.....\MainPage.g.i.cs
................\................\...\.....\TempPE
................\................\...\.....\WPNativeCodeTest.csproj.FileListAbsolute.txt
................\................\...\.....\WPNativeCodeTest.dll
................\................\...\.....\WPNativeCodeTest.g.resources
................\................\...\.....\WPNativeCodeTest.pdb
................\................\...\.....\XapCacheFile.xml
................\................\Properties
................\................\..........\AppManifest.xml
................\................\..........\AssemblyInfo.cs
................\................\..........\WMAppManifest.xml
................\................\SplashScreenImage.jpg
................\................\WPInteropManifest.xml
................\................\WPNativeCodeTest.csproj
................\................\WPNativeCodeTest.csproj.user
................\WPNativeCodeTest.sln
................\WPNativeCodeTest.suo