QueryableEx.Scan(TSource) Method (IQueryable(TSource), Expression(Func(TSource, TSource, TSource)))

QueryableExScanTSource Method (IQueryableTSource, ExpressionFuncTSource, TSource, TSource)

Generates a sequence of accumulated values by scanning the source sequence and applying an accumulator function.

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

Syntax

public static IQueryable<TSource> Scan<TSource>(
	this IQueryable<TSource> source,
	Expression<Func<TSource, TSource, TSource>> accumulator
)

source: Type: System.LinqIQueryableTSource
Source sequence.
accumulator: Type: System.Linq.ExpressionsExpressionFuncTSource, TSource, TSource
Accumulation function to apply to the current accumulation value and each element of the sequence.

Type: IQueryableTSource
Sequence with all intermediate accumulation values resulting from scanning the 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).