System.TypeExtensions.GetInterfaceProperties C# (CSharp) Method

		public static IEnumerable<MemberInfo> GetInterfaceProperties(this Type type)
		{
			if (!type.IsInterface)
			{
				yield break;
			}

			var analyzedInterface = new List<Type>();
			var interfacesQueue = new Queue<Type>();
			analyzedInterface.Add(type);
			interfacesQueue.Enqueue(type);
			while (interfacesQueue.Count > 0)
			{
				var subType = interfacesQueue.Dequeue();
				foreach (var subInterface in
					subType.GetInterfaces().Where(subInterface => !analyzedInterface.Contains(subInterface)))
				{
					analyzedInterface.Add(subInterface);
					interfacesQueue.Enqueue(subInterface);
				}

				foreach (PropertyInfo propertyInfo in subType.GetProperties())
				{
					yield return propertyInfo;
				}
			}
		}