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IndexKeysDefinitionExtensionsDescendingTDocument Method (IndexKeysDefinitionTDocument, ExpressionFuncTDocument, Object)

Combines an existing index keys definition with a descending index key definition.

Namespace:  MongoDB.Driver
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.17.0+b316340e6cc3a8bfc8638dc31b54fbbfe41bfcb2
Syntax
public static IndexKeysDefinition<TDocument> Descending<TDocument>(
	this IndexKeysDefinition<TDocument> keys,
	Expression<Func<TDocument, Object>> field
)

Parameters

keys
Type: MongoDB.DriverIndexKeysDefinitionTDocument
The keys.
field
Type: System.Linq.ExpressionsExpressionFuncTDocument, Object
The field.

Type Parameters

TDocument
The type of the document.

Return Value

Type: IndexKeysDefinitionTDocument
A combined index keys definition.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IndexKeysDefinitionTDocument. 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).
See Also