UpdateDefinitionExtensionsPopFirstTDocument Method (UpdateDefinitionTDocument, ExpressionFuncTDocument, Object)

Combines an existing update with a pop operator.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.10.0+569905ff5e778c38ea19d9d0392496a83e1704ed

Syntax

Copy

public static UpdateDefinition<TDocument> PopFirst<TDocument>(
	this UpdateDefinition<TDocument> update,
	Expression<Func<TDocument, Object>> field
)

<ExtensionAttribute>
Public Shared Function PopFirst(Of TDocument) ( 
	update As UpdateDefinition(Of TDocument),
	field As Expression(Of Func(Of TDocument, Object))
) As UpdateDefinition(Of TDocument)

[<ExtensionAttribute>]
static member PopFirst : 
        update : UpdateDefinition<'TDocument> * 
        field : Expression<Func<'TDocument, Object>> -> UpdateDefinition<'TDocument>

Parameters

update: Type: MongoDB.DriverUpdateDefinitionTDocument
The update.
field: Type: System.Linq.ExpressionsExpressionFuncTDocument, Object
The field.

Type Parameters

TDocument: The type of the document.

Return Value

Type: UpdateDefinitionTDocument
A combined update.

Usage Note

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

UpdateDefinitionExtensions Class

PopFirst Overload

MongoDB.Driver Namespace