MongoEnumerable.FirstN<TSource, TResult> Method (IEnumerable<TSource>, Func<TSource, TResult>, Int32)

Returns the first n results.

Namespace: MongoDB.Driver.Linq
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.21.0+5a9c3311e158910b88195f290e6d4b1b2715d2b2

Syntax

Copy

public static IEnumerable<TResult> FirstN<TSource, TResult>(
	this IEnumerable<TSource> source,
	Func<TSource, TResult> selector,
	int n
)

<ExtensionAttribute>
Public Shared Function FirstN(Of TSource, TResult) ( 
	source As IEnumerable(Of TSource),
	selector As Func(Of TSource, TResult),
	n As Integer
) As IEnumerable(Of TResult)

[<ExtensionAttribute>]
static member FirstN : 
        source : IEnumerable<'TSource> * 
        selector : Func<'TSource, 'TResult> * 
        n : int -> IEnumerable<'TResult>

Parameters

source: Type: System.Collections.Generic.IEnumerable<TSource>
The source.
selector: Type: System.Func<TSource, TResult>
The selector.
n: Type: System.Int32
The number of results to return.

Type Parameters

TSource: The source type.
TResult: The result type.

Return Value

Type: IEnumerable<TResult>
The first n results.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable<TSource>. 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

MongoEnumerable Class

FirstN Overload

MongoDB.Driver.Linq Namespace