IMongoCollectionTDocumentCountDocumentsAsync Method (FilterDefinitionTDocument, CountOptions, CancellationToken)

Task<long> CountDocumentsAsync(
	FilterDefinition<TDocument> filter,
	CountOptions options = null,
	CancellationToken cancellationToken = null
)

Function CountDocumentsAsync ( 
	filter As FilterDefinition(Of TDocument),
	Optional options As CountOptions = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of Long)

abstract CountDocumentsAsync : 
        filter : FilterDefinition<'TDocument> * 
        ?options : CountOptions * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _options = defaultArg options null
        let _cancellationToken = defaultArg cancellationToken null
*)
-> Task<int64> 

+-------------+--------------------------------+
| Operator    | Replacement                    |
+=============+================================+
| $where      |  $expr                         |
+-------------+--------------------------------+
| $near       |  $geoWithin with $center       |
+-------------+--------------------------------+
| $nearSphere |  $geoWithin with $centerSphere |
+-------------+--------------------------------+