IAggregateFluentExtensions.Project(TResult, TNewResult) Method (IAggregateFluent(TResult), Expression(Func(TResult, TNewResult)))

IAggregateFluentExtensionsProjectTResult, TNewResult Method (IAggregateFluentTResult, ExpressionFuncTResult, TNewResult)

Appends a project stage to the pipeline.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.1.0

Syntax

Copy

public static IAggregateFluent<TNewResult> Project<TResult, TNewResult>(
	this IAggregateFluent<TResult> aggregate,
	Expression<Func<TResult, TNewResult>> projection
)

<ExtensionAttribute>
Public Shared Function Project(Of TResult, TNewResult) ( 
	aggregate As IAggregateFluent(Of TResult),
	projection As Expression(Of Func(Of TResult, TNewResult))
) As IAggregateFluent(Of TNewResult)

[<ExtensionAttribute>]
static member Project : 
        aggregate : IAggregateFluent<'TResult> * 
        projection : Expression<Func<'TResult, 'TNewResult>> -> IAggregateFluent<'TNewResult>

Parameters

aggregate: Type: MongoDB.DriverIAggregateFluentTResult
The aggregate.
projection: Type: System.Linq.ExpressionsExpressionFuncTResult, TNewResult
The projection.

Type Parameters

TResult: The type of the result.
TNewResult: The type of the new result.

Return Value

Type: IAggregateFluentTNewResult
The fluent aggregate interface.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IAggregateFluentTResult. 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).

Reference

IAggregateFluentExtensions Class

Project Overload

MongoDB.Driver Namespace