MongoCollectionBaseTDocumentEstimatedDocumentCountAsync Method  | 
 
            Returns an estimate of the number of documents in the collection.
            
 
    Namespace: 
   MongoDB.Driver
    Assembly:
   MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.22.0+75246110ed1247226fcc7f8eb2c54ffab745693e
Syntaxpublic virtual Task<long> EstimatedDocumentCountAsync(
	EstimatedDocumentCountOptions options = null,
	CancellationToken cancellationToken = default
)
Public Overridable Function EstimatedDocumentCountAsync ( 
	Optional options As EstimatedDocumentCountOptions = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of Long)
abstract EstimatedDocumentCountAsync : 
        ?options : EstimatedDocumentCountOptions * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _options = defaultArg options null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<int64> 
override EstimatedDocumentCountAsync : 
        ?options : EstimatedDocumentCountOptions * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _options = defaultArg options null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<int64> Parameters
- options (Optional)
 - Type: MongoDB.DriverEstimatedDocumentCountOptions
The options. - cancellationToken (Optional)
 - Type: System.ThreadingCancellationToken
The cancellation token. 
Return Value
Type: 
TaskInt64
            An estimate of the number of documents in the collection.
            
Implements
IMongoCollectionTDocumentEstimatedDocumentCountAsync(EstimatedDocumentCountOptions, CancellationToken)
See Also