FilterDefinitionBuilderTDocumentOfTypeTField, TDerived Method (FieldDefinitionTDocument, TField, FilterDefinitionTDerived)

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

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

Syntax

Copy

public FilterDefinition<TDocument> OfType<TField, TDerived>(
	FieldDefinition<TDocument, TField> field,
	FilterDefinition<TDerived> derivedFieldFilter
)
where TDerived : TField

Public Function OfType(Of TField, TDerived As TField) ( 
	field As FieldDefinition(Of TDocument, TField),
	derivedFieldFilter As FilterDefinition(Of TDerived)
) As FilterDefinition(Of TDocument)

member OfType : 
        field : FieldDefinition<'TDocument, 'TField> * 
        derivedFieldFilter : FilterDefinition<'TDerived> -> FilterDefinition<'TDocument>  when 'TDerived : 'TField

Parameters

field: Type: MongoDB.DriverFieldDefinitionTDocument, TField
The field.
derivedFieldFilter: Type: MongoDB.DriverFilterDefinitionTDerived
A filter on the derived field.

Type Parameters

TField: The type of the field.
TDerived: The type of the matching derived field value.

Return Value

Type: FilterDefinitionTDocument
An OfType filter.

Reference

FilterDefinitionBuilderTDocument Class

OfType Overload

MongoDB.Driver Namespace