ProjectionDefinitionExtensions.SearchMeta<TDocument> Method (ProjectionDefinition<TDocument>, Expression<Func<TDocument, Object>>)

Combines an existing projection with a search metadata projection.

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

Syntax

Copy

public static ProjectionDefinition<TDocument> SearchMeta<TDocument>(
	this ProjectionDefinition<TDocument> projection,
	Expression<Func<TDocument, Object>> field
)

<ExtensionAttribute>
Public Shared Function SearchMeta(Of TDocument) ( 
	projection As ProjectionDefinition(Of TDocument),
	field As Expression(Of Func(Of TDocument, Object))
) As ProjectionDefinition(Of TDocument)

[<ExtensionAttribute>]
static member SearchMeta : 
        projection : ProjectionDefinition<'TDocument> * 
        field : Expression<Func<'TDocument, Object>> -> ProjectionDefinition<'TDocument>

Parameters

projection: Type: MongoDB.Driver.ProjectionDefinition<TDocument>
The projection.
field: Type: System.Linq.Expressions.Expression<Func<TDocument, Object>>
The field.

Type Parameters

TDocument: The type of the document.

Return Value

Type: ProjectionDefinition<TDocument>
A combined projection.

Usage Note

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

ProjectionDefinitionExtensions Class

SearchMeta Overload

MongoDB.Driver Namespace