Storage Client Library for Windows Phone (Version 7.0)

Microsoft Windows Azure Storage Blob

CloudFileDirectory.BeginCreateIfNotExists Method (FileRequestOptions, OperationContext, AsyncCallback, Object) (Microsoft.WindowsAzure.Storage.File)

Begins an asynchronous request to create the directory if it does not already exist.

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

Syntax

C#
System_CAPS_copycodeCopy Code
  
[DoesServiceRequestAttribute]
public virtual ICancellableAsyncResult BeginCreateIfNotExists(
	FileRequestOptions options,
	OperationContext operationContext,
	AsyncCallback callback,
	object state
)
C++
System_CAPS_copycodeCopy Code
  
public:
[DoesServiceRequestAttribute]
virtual ICancellableAsyncResult^ BeginCreateIfNotExists(
	FileRequestOptions^ options,
	OperationContext^ operationContext,
	AsyncCallback^ callback,
	Object^ state
)
F#
System_CAPS_copycodeCopy Code
  
[<DoesServiceRequestAttribute>]
abstract BeginCreateIfNotExists : 
        options:FileRequestOptions *
        operationContext:OperationContext *
        callback:AsyncCallback *
        state:Object -> ICancellableAsyncResult
[<DoesServiceRequestAttribute>]
override BeginCreateIfNotExists : 
        options:FileRequestOptions *
        operationContext:OperationContext *
        callback:AsyncCallback *
        state:Object -> ICancellableAsyncResult
VB
System_CAPS_copycodeCopy Code
  
<DoesServiceRequestAttribute>
Public Overridable Function BeginCreateIfNotExists (
	options As FileRequestOptions,
	operationContext As OperationContext,
	callback As AsyncCallback,
	state As Object
) As ICancellableAsyncResult

Parameters

options
Type: Microsoft.WindowsAzure.Storage.File.FileRequestOptionsMicrosoft.WindowsAzure.Storage.File::FileRequestOptions^Microsoft.WindowsAzure.Storage.File.FileRequestOptionsMicrosoft.WindowsAzure.Storage.File.FileRequestOptions

An FileRequestOptions 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

The callback 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 IAsyncResult that references the asynchronous operation.

See Also

BeginCreateIfNotExists Overload
CloudFileDirectory Class
Microsoft.WindowsAzure.Storage.File Namespace

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