/// <summary>
/// Checks all existing assemblies for having <see cref="InitializeOnLoadAttribute"/> and runs static constructors for found types.
/// If static constructor of type already executed, nothing happens.
/// Also initializes all assemblies that will be loaded in future.
/// </summary>
/// <param name="appDomain"></param>
public static Task InitializeTypesFromAttribute(this AppDomain appDomain)
{
return(Task.Factory.StartNew(() =>
{
//To prevent multiple event handlers, first we remove existing handler, only then we add handler to always have only 1 active handler.
appDomain.DisableInitializerForNewlyLoadedAssemblies();
appDomain.EnableInitializerForNewlyLoadedAssemblies();
//Proceed all loaded assemblies.
var assemblies = appDomain.GetAssemblies();
foreach (var assembly in assemblies)
{
assembly.InitializeTypesFromAttribute();
}
}, TaskCreationOptions.LongRunning));
}