private static IList <T> MergeLists <T, TE>(IEnumerable <T> first, IEnumerable <T> second, Func <T, TE> selection)
{
var comparer = EqualityComparerFactory <T>
.CreateComparer(x => selection(x).GetHashCode(), (x, y) => x != null && x.Equals(y));
var list = new List <T>();
if (second != null && first != null)
{
list.AddRange(first.Where(x => !second.Contains(x, comparer)));
list.AddRange(second);
}
else
{
if (first != null)
{
list.AddRange(first);
}
if (second != null)
{
list.AddRange(second);
}
}
return(list);
}
/// <summary>
/// Probes working directory for all available metadata providers
/// </summary>
/// <returns>List of UWP XAML metadata providers</returns>
internal static List <WUX.Markup.IXamlMetadataProvider> DiscoverMetadataProviders()
{
var filteredTypes = FilteredTypes;
// List of discovered UWP XAML metadata providers
var metadataProviders = new List <WUX.Markup.IXamlMetadataProvider>();
// Get all assemblies loaded in app domain and placed side-by-side from all DLL and EXE
var loadedAssemblies = GetAssemblies();
#if NET462
var uniqueAssemblies = new HashSet <Assembly>(loadedAssemblies, EqualityComparerFactory <Assembly> .CreateComparer(
a => a.GetName().FullName.GetHashCode(),
(a, b) => a.GetName().FullName.Equals(b.GetName().FullName, StringComparison.OrdinalIgnoreCase)));
#else
var uniqueAssemblies = new HashSet <Assembly>(loadedAssemblies, EqualityComparerFactory <Assembly> .CreateComparer(
a => a.GetName().FullName.GetHashCode(StringComparison.InvariantCulture),
(a, b) => a.GetName().FullName.Equals(b.GetName().FullName, StringComparison.OrdinalIgnoreCase)));
#endif
// Load all types loadable from the assembly, ignoring any types that could not be resolved due to an issue in the dependency chain
foreach (var assembly in uniqueAssemblies)
{
try
{
LoadTypesFromAssembly(assembly, ref metadataProviders, ref filteredTypes);
}
catch (FileLoadException)
{
// These exceptions are expected
}
}
return(metadataProviders);
}
/// <summary>
/// Probes working directory for all available metadata providers
/// </summary>
/// <returns>List of UWP XAML metadata providers</returns>
internal static IEnumerable <WUX.Markup.IXamlMetadataProvider> DiscoverMetadataProviders()
{
// Get all assemblies loaded in app domain and placed side-by-side from all DLL and EXE
var loadedAssemblies = GetAssemblies();
#if NET462
var uniqueAssemblies = new HashSet <Assembly>(loadedAssemblies, EqualityComparerFactory <Assembly> .CreateComparer(
a => a.GetName().FullName.GetHashCode(),
(a, b) => a.GetName().FullName.Equals(b.GetName().FullName, StringComparison.OrdinalIgnoreCase)));
#else
var uniqueAssemblies = new HashSet <Assembly>(loadedAssemblies, EqualityComparerFactory <Assembly> .CreateComparer(
a => a.GetName().FullName.GetHashCode(StringComparison.InvariantCulture),
(a, b) => a.GetName().FullName.Equals(b.GetName().FullName, StringComparison.OrdinalIgnoreCase)));
#endif
// Load all types loadable from the assembly, ignoring any types that could not be resolved due to an issue in the dependency chain
foreach (var assembly in uniqueAssemblies)
{
foreach (var provider in LoadTypesFromAssembly(assembly))
{
yield return(provider);
if (typeof(WUX.Application).IsAssignableFrom(provider.GetType()))
{
System.Diagnostics.Debug.WriteLine("Xaml application has been created");
yield break;
}
}
}
}