Zip(TFirst, TSecond, TResult) Method (ParallelQuery(TFirst), IEnumerable(TSecond), Func(TFirst, TSecond, TResult))

Task Parallel System.Threading

This Zip overload should never be called. This method is marked as obsolete and always throws NotSupportedException when invoked.

Namespace:  System.Linq
Assembly:  System.Threading (in System.Threading.dll)

Syntax

Visual Basic (Declaration)
<ObsoleteAttribute("The second data source of a binary operator must be of type System.Linq.ParallelQuery<T> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel() extension method to convert the right data source to System.Linq.ParallelQuery<T>.")> _
Public Shared Function Zip(Of TFirst, TSecond, TResult) ( _
	first As ParallelQuery(Of TFirst), _
	second As IEnumerable(Of TSecond), _
	resultSelector As Func(Of TFirst, TSecond, TResult) _
) As ParallelQuery(Of TResult)
C#
[ObsoleteAttribute("The second data source of a binary operator must be of type System.Linq.ParallelQuery<T> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel() extension method to convert the right data source to System.Linq.ParallelQuery<T>.")]
public static ParallelQuery<TResult> Zip<TFirst, TSecond, TResult>(
	ParallelQuery<TFirst> first,
	IEnumerable<TSecond> second,
	Func<TFirst, TSecond, TResult> resultSelector
)

Parameters

first
Type: System.Linq..::.ParallelQuery<(Of <(TFirst>)>)
This parameter is not used.
second
Type: System.Collections.Generic..::.IEnumerable<(Of <(TSecond>)>)
This parameter is not used.
resultSelector
Type: System..::.Func<(Of <(TFirst, TSecond, TResult>)>)
This parameter is not used.

Type Parameters

TFirst
This type parameter is not used.
TSecond
This type parameter is not used.
TResult
This type parameter is not used.

Return Value

This overload always throws a NotSupportedException.

Remarks

This overload exists to disallow usage of Zip with a left data source of type ParallelQuery<(Of <(TSource>)>) and a right data source of type IEnumerable<(Of <(T>)>). Otherwise, the Zip operator would appear to be bind to the parallel implementation, but would in reality bind to the sequential implementation.

Exceptions

ExceptionCondition
System..::.NotSupportedExceptionThe exception that occurs when this method is called.

See Also