FilterDefinitionBuilderTDocumentOfTypeTDerived Method (ExpressionFuncTDerived, Boolean)

Creates an OfType filter that matches documents of a derived type and that also match a filter on the derived document.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.17.0+b316340e6cc3a8bfc8638dc31b54fbbfe41bfcb2

Syntax

Copy

public FilterDefinition<TDocument> OfType<TDerived>(
	Expression<Func<TDerived, bool>> derivedDocumentFilter
)
where TDerived : TDocument

Public Function OfType(Of TDerived As TDocument) ( 
	derivedDocumentFilter As Expression(Of Func(Of TDerived, Boolean))
) As FilterDefinition(Of TDocument)

member OfType : 
        derivedDocumentFilter : Expression<Func<'TDerived, bool>> -> FilterDefinition<'TDocument>  when 'TDerived : 'TDocument

Parameters

derivedDocumentFilter: Type: System.Linq.ExpressionsExpressionFuncTDerived, Boolean
A filter on the derived document.

Type Parameters

TDerived: The type of the matching derived documents.

Return Value

Type: FilterDefinitionTDocument
An OfType filter.

Reference

FilterDefinitionBuilderTDocument Class

OfType Overload

MongoDB.Driver Namespace