[GetAllInstances] Gets a list of the specified type's values from an object.

GetAllInstances.cs

public static List<T> GetAllInstances<T>(object value) where T : class
{
	var exploredObjects = new HashSet<object>();
	var found = new List<T>();

	FindAllInstances(value, exploredObjects, found);

	return found;
}

private static void FindAllInstances<T>(object value, ISet<object> exploredObjects, ICollection<T> found)
	where T : class
{
	if (value == null) return;
	if (exploredObjects.Contains(value)) return;
	exploredObjects.Add(value);
	if (value is IEnumerable enumerable)
	{
		foreach (var item in enumerable)
		{
			FindAllInstances(item, exploredObjects, found);
		}
	}
	else
	{
		if (value is T possibleMatch)
		{
			found.Add(possibleMatch);
		}

		var type = value.GetType();

		var properties = type.GetProperties(


//					BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.GetProperty
		);

		foreach (var property in properties)
		{
			var propertyValue = property.GetValue(value, null);

			FindAllInstances(propertyValue, exploredObjects, found);
		}
	}
}