IAsyncCursorExtensionsAnyAsyncTDocument Method

Determines whether the cursor contains any documents.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver.Core (in MongoDB.Driver.Core.dll) Version: 2.6.0+Branch.origin/v2.6.x.Sha.593796a7b35dc59243383bcc684de296a5468f2e

Syntax

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public static Task<bool> AnyAsync<TDocument>(
	this IAsyncCursor<TDocument> cursor,
	CancellationToken cancellationToken = null
)

<ExtensionAttribute>
Public Shared Function AnyAsync(Of TDocument) ( 
	cursor As IAsyncCursor(Of TDocument),
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of Boolean)

[<ExtensionAttribute>]
static member AnyAsync : 
        cursor : IAsyncCursor<'TDocument> * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken null
*)
-> Task<bool>

Parameters

cursor: Type: MongoDB.DriverIAsyncCursorTDocument
The cursor.
cancellationToken (Optional): Type: System.ThreadingCancellationToken
The cancellation token.

Type Parameters

TDocument: The type of the document.

Return Value

Type: TaskBoolean
A Task whose result is true if the cursor contains any documents.

Usage Note

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

IAsyncCursorExtensions Class