EnumerableExtensions.Flatten Method

Name	Parameters	Description
Flatten<T>(IEnumerable<T>, Func<T, IEnumerable<T>>) static	source, getItems	Converts a hierarchical data structure into a flat collection. This method traverses the hierarchy defined by the getItems() function. The function accepts all hierarchy items and returns nested items as a flat collection.
Flatten<T>(IEnumerable<T>, Func<T, Int32, IEnumerable<T>>) static	source, getItems	Converts a hierarchical data structure into a flat collection. This method traverses the hierarchy defined by the getItems() function. The function accepts an item in the hierarchy and the hierarchy level, and returns nested items.