FilterDefinitionBuilderTDocumentOfTypeTField, TDerived Method (ExpressionFuncTDocument, TField) |
Creates an OfType filter that matches documents with a field of a derived type.
Namespace:
MongoDB.Driver
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.10.0+569905ff5e778c38ea19d9d0392496a83e1704ed
Syntax public FilterDefinition<TDocument> OfType<TField, TDerived>(
Expression<Func<TDocument, TField>> field
)
where TDerived : TField
Public Function OfType(Of TField, TDerived As TField) (
field As Expression(Of Func(Of TDocument, TField))
) As FilterDefinition(Of TDocument)
member OfType :
field : Expression<Func<'TDocument, 'TField>> -> FilterDefinition<'TDocument> when 'TDerived : 'TField
Parameters
- field
- Type: System.Linq.ExpressionsExpressionFuncTDocument, TField
The field.
Type Parameters
- TField
- The type of the field.
- TDerived
- The type of the matching derived field value.
Return Value
Type:
FilterDefinitionTDocumentAn OfType filter.
See Also