QueryableEx.Expand(TSource) Method (IQueryable(TSource), Expression(Func(TSource, IEnumerable(TSource))))

QueryableExExpandTSource Method (IQueryableTSource, ExpressionFuncTSource, IEnumerableTSource)

Expands the sequence by recursively applying a selector function.

Namespace: System.Linq
Assembly: System.Interactive.Providers (in System.Interactive.Providers.dll) Version: 1.2.0.0

Syntax

public static IQueryable<TSource> Expand<TSource>(
	this IQueryable<TSource> source,
	Expression<Func<TSource, IEnumerable<TSource>>> selector
)

source: Type: System.LinqIQueryableTSource
Source sequence.
selector: Type: System.Linq.ExpressionsExpressionFuncTSource, IEnumerableTSource
Selector function to retrieve the next sequence to expand.

Type: IQueryableTSource
Sequence with results from the recursive expansion of the source sequence.

In Visual Basic and C#, you can call this method as an instance method on any object of type IQueryableTSource. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).