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ProjectionDefinitionBuilderTSourceElemMatchTItem Method (ExpressionFuncTSource, IEnumerableTItem, ExpressionFuncTItem, Boolean)
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
public ProjectionDefinition<TSource> ElemMatch<TItem>(
	Expression<Func<TSource, IEnumerable<TItem>>> field,
	Expression<Func<TItem, bool>> filter
)

Parameters

field
Type: System.Linq.ExpressionsExpressionFuncTSource, IEnumerableTItem
The field.
filter
Type: System.Linq.ExpressionsExpressionFuncTItem, Boolean
The filter.

Type Parameters

TItem
The type of the item.

Return Value

Type: ProjectionDefinitionTSource
An array filtering projection.
See Also