ProjectionDefinitionBuilder<TSource>.ElemMatch<TItem> Method (Expression<Func<TSource, IEnumerable<TItem>>>, Expression<Func<TItem, Boolean>>) |
Creates a projection that filters the contents of an array.
Namespace:
MongoDB.Driver
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.6.0+Branch.origin/v2.6.x.Sha.593796a7b35dc59243383bcc684de296a5468f2e
Syntaxpublic ProjectionDefinition<TSource> ElemMatch<TItem>(
Expression<Func<TSource, IEnumerable<TItem>>> field,
Expression<Func<TItem, bool>> filter
)
Public Function ElemMatch(Of TItem) (
field As Expression(Of Func(Of TSource, IEnumerable(Of TItem))),
filter As Expression(Of Func(Of TItem, Boolean))
) As ProjectionDefinition(Of TSource)
member ElemMatch :
field : Expression<Func<'TSource, IEnumerable<'TItem>>> *
filter : Expression<Func<'TItem, bool>> -> ProjectionDefinition<'TSource>
Parameters
- field
- Type: System.Linq.Expressions.Expression<Func<TSource, IEnumerable<TItem>>>
The field. - filter
- Type: System.Linq.Expressions.Expression<Func<TItem, Boolean>>
The filter.
Type Parameters
- TItem
- The type of the item.
Return Value
Type:
ProjectionDefinition<TSource>
An array filtering projection.
See Also