ProjectionDefinitionBuilder(TSource).ElemMatch(TItem) Method (Expression(Func(TSource, IEnumerable(TItem))), FilterDefinition(TItem))

ProjectionDefinitionBuilder<TSource>.ElemMatch<TItem> Method (Expression<Func<TSource, IEnumerable<TItem>>>, FilterDefinition<TItem>)

Creates a projection that filters the contents of an array.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.4.1

Syntax

Copy

public ProjectionDefinition<TSource> ElemMatch<TItem>(
	Expression<Func<TSource, IEnumerable<TItem>>> field,
	FilterDefinition<TItem> filter
)

Public Function ElemMatch(Of TItem) ( 
	field As Expression(Of Func(Of TSource, IEnumerable(Of TItem))),
	filter As FilterDefinition(Of TItem)
) As ProjectionDefinition(Of TSource)

member ElemMatch : 
        field : Expression<Func<'TSource, IEnumerable<'TItem>>> * 
        filter : FilterDefinition<'TItem> -> ProjectionDefinition<'TSource>

Parameters

field: Type: System.Linq.Expressions.Expression<Func<TSource, IEnumerable<TItem>>>
The field.
filter: Type: MongoDB.Driver.FilterDefinition<TItem>
The filter.

Type Parameters

TItem: The type of the item.

Return Value

Type: ProjectionDefinition<TSource>
An array filtering projection.

Reference

ProjectionDefinitionBuilder<TSource> Class

ElemMatch Overload

MongoDB.Driver Namespace