CloudQueue.BeginCreateIfNotExists Method (QueueRequestOptions, OperationContext, AsyncCallback, Object) (Microsoft.WindowsAzure.Storage.Queue)

From Microsoft Windows Azure Storage Blob

Begins an asynchronous operation to create the queue if it does not already exist.

Namespace: Microsoft.WindowsAzure.Storage.Queue
Assembly: Microsoft.WindowsAzure.Storage (in Microsoft.WindowsAzure.Storage.dll)

Syntax

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[DoesServiceRequestAttribute]
public virtual ICancellableAsyncResult BeginCreateIfNotExists(
	QueueRequestOptions options,
	OperationContext operationContext,
	AsyncCallback callback,
	object state
)

C++

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public:
[DoesServiceRequestAttribute]
virtual ICancellableAsyncResult^ BeginCreateIfNotExists(
	QueueRequestOptions^ options,
	OperationContext^ operationContext,
	AsyncCallback^ callback,
	Object^ state
)

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[<DoesServiceRequestAttribute>]
abstract BeginCreateIfNotExists : 
        options:QueueRequestOptions *
        operationContext:OperationContext *
        callback:AsyncCallback *
        state:Object -> ICancellableAsyncResult
[<DoesServiceRequestAttribute>]
override BeginCreateIfNotExists : 
        options:QueueRequestOptions *
        operationContext:OperationContext *
        callback:AsyncCallback *
        state:Object -> ICancellableAsyncResult

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<DoesServiceRequestAttribute>
Public Overridable Function BeginCreateIfNotExists (
	options As QueueRequestOptions,
	operationContext As OperationContext,
	callback As AsyncCallback,
	state As Object
) As ICancellableAsyncResult

Parameters

options: Type: Microsoft.WindowsAzure.Storage.Queue.QueueRequestOptionsMicrosoft.WindowsAzure.Storage.Queue::QueueRequestOptions^Microsoft.WindowsAzure.Storage.Queue.QueueRequestOptionsMicrosoft.WindowsAzure.Storage.Queue.QueueRequestOptions
A QueueRequestOptions object that specifies additional options for the request.

operationContext: Type: Microsoft.WindowsAzure.Storage.OperationContextMicrosoft.WindowsAzure.Storage::OperationContext^Microsoft.WindowsAzure.Storage.OperationContextMicrosoft.WindowsAzure.Storage.OperationContext
An OperationContext object that represents the context for the current operation.

callback: Type: System.AsyncCallbackSystem::AsyncCallback^System.AsyncCallbackSystem.AsyncCallback
An AsyncCallback delegate that will receive notification when the asynchronous operation completes.

state: Type: System.ObjectSystem::Object^System.ObjectSystem.Object
A user-defined object that will be passed to the callback delegate.

Return Value

Type: Microsoft.WindowsAzure.Storage.ICancellableAsyncResultMicrosoft.WindowsAzure.Storage::ICancellableAsyncResult^Microsoft.WindowsAzure.Storage.ICancellableAsyncResultMicrosoft.WindowsAzure.Storage.ICancellableAsyncResult

An ICancellableAsyncResult that references the asynchronous operation.

CloudQueue.BeginCreateIfNotExists Method (QueueRequestOptions, OperationContext, AsyncCallback, Object) (Microsoft.WindowsAzure.Storage.Queue)

Syntax

Parameters

Return Value

See Also