ParallelEnumerable::TakeWhile<TSource> Method (ParallelQuery<TSource>^, Func<TSource, Int32, Boolean>^)
Returns elements from a parallel sequence as long as a specified condition is true. The element's index is used in the logic of the predicate function.
Assembly: System.Core (in System.Core.dll)
public: generic<typename TSource> [ExtensionAttribute] static ParallelQuery<TSource>^ TakeWhile( ParallelQuery<TSource>^ source, Func<TSource, int, bool>^ predicate )
The sequence to return elements from.
Return ValueType: System.Linq::ParallelQuery< >^
A sequence that contains elements from the input sequence that occur before the element at which the test no longer passes.
The type of elements of source.
source or predicate is a null reference (Nothing in Visual Basic).
The query was canceled with the token passed in through WithCancellation.
More than MaxValue elements are enumerated by this query.
One or more exceptions occurred during the evaluation of the query.
Available since 4.5
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Available since 8.1