public string GetStringValue(string name)
 {
     if (name == null)
     {
         throw new ArgumentNullException("name");
     }
     return(AppxPackage.GetStringValue(_app, name));
 }
        //Fullname: Microsoft.YourPhone_1.20111.125.0_x64__8wekyb3d8bbwe
        //FamilyName: Microsoft.YourPhone_8wekyb3d8bbwe
        private static IEnumerable <AppxPackage> QueryPackageInfo(string fullName, PackageConstants flags)
        {
            IntPtr infoRef;

            OpenPackageInfoByFullName(fullName, 0, out infoRef);
            if (infoRef != IntPtr.Zero)
            {
                IntPtr infoBuffer = IntPtr.Zero;
                try
                {
                    int len = 0;
                    int count;
                    GetPackageInfo(infoRef, flags, ref len, IntPtr.Zero, out count);
                    if (len > 0)
                    {
                        var factory = (IAppxFactory) new AppxFactory();
                        infoBuffer = Marshal.AllocHGlobal(len);
                        int res = GetPackageInfo(infoRef, flags, ref len, infoBuffer, out count);
                        for (int i = 0; i < count; i++)
                        {
                            var info    = (PACKAGE_INFO)Marshal.PtrToStructure(infoBuffer + i * Marshal.SizeOf(typeof(PACKAGE_INFO)), typeof(PACKAGE_INFO));
                            var package = new AppxPackage();
                            package.FamilyName            = Marshal.PtrToStringUni(info.packageFamilyName);
                            package.FullName              = Marshal.PtrToStringUni(info.packageFullName);
                            package.Path                  = Marshal.PtrToStringUni(info.path);
                            package.Publisher             = Marshal.PtrToStringUni(info.packageId.publisher);
                            package.PublisherId           = Marshal.PtrToStringUni(info.packageId.publisherId);
                            package.ResourceId            = Marshal.PtrToStringUni(info.packageId.resourceId);
                            package.ProcessorArchitecture = info.packageId.processorArchitecture;
                            package.Version               = new Version(info.packageId.VersionMajor, info.packageId.VersionMinor, info.packageId.VersionBuild, info.packageId.VersionRevision);

                            // read manifest
                            string    manifestPath         = System.IO.Path.Combine(package.Path, "AppXManifest.xml");
                            const int STGM_SHARE_DENY_NONE = 0x40;
                            IStream   strm;
                            SHCreateStreamOnFileEx(manifestPath, STGM_SHARE_DENY_NONE, 0, false, IntPtr.Zero, out strm);
                            if (strm != null)
                            {
                                var reader = factory.CreateManifestReader(strm);
                                package._properties          = reader.GetProperties();
                                package.Description          = package.GetPropertyStringValue("Description");
                                package.DisplayName          = package.GetPropertyStringValue("DisplayName");
                                package.Logo                 = package.GetPropertyStringValue("Logo");
                                package.PublisherDisplayName = package.GetPropertyStringValue("PublisherDisplayName");
                                package.IsFramework          = package.GetPropertyBoolValue("Framework");

                                var apps = reader.GetApplications();
                                while (apps.GetHasCurrent())
                                {
                                    var app  = apps.GetCurrent();
                                    var appx = new AppxApp(app);
                                    appx.Description       = GetStringValue(app, "Description");
                                    appx.DisplayName       = GetStringValue(app, "DisplayName");
                                    appx.EntryPoint        = GetStringValue(app, "EntryPoint");
                                    appx.Executable        = GetStringValue(app, "Executable");
                                    appx.Id                = GetStringValue(app, "Id");
                                    appx.Logo              = GetStringValue(app, "Logo");
                                    appx.SmallLogo         = GetStringValue(app, "SmallLogo");
                                    appx.StartPage         = GetStringValue(app, "StartPage");
                                    appx.Square150x150Logo = GetStringValue(app, "Square150x150Logo");
                                    appx.Square30x30Logo   = GetStringValue(app, "Square30x30Logo");
                                    appx.BackgroundColor   = GetStringValue(app, "BackgroundColor");
                                    appx.ForegroundText    = GetStringValue(app, "ForegroundText");
                                    appx.WideLogo          = GetStringValue(app, "WideLogo");
                                    appx.Wide310x310Logo   = GetStringValue(app, "Wide310x310Logo");
                                    appx.ShortName         = GetStringValue(app, "ShortName");
                                    appx.Square310x310Logo = GetStringValue(app, "Square310x310Logo");
                                    appx.Square70x70Logo   = GetStringValue(app, "Square70x70Logo");
                                    appx.MinWidth          = GetStringValue(app, "MinWidth");
                                    package._apps.Add(appx);
                                    apps.MoveNext();
                                }
                                Marshal.ReleaseComObject(strm);
                            }
                            yield return(package);
                        }
                        Marshal.ReleaseComObject(factory);
                    }
                }
                finally
                {
                    if (infoBuffer != IntPtr.Zero)
                    {
                        Marshal.FreeHGlobal(infoBuffer);
                    }
                    ClosePackageInfo(infoRef);
                }
            }
        }