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

From Microsoft Windows Azure Storage Blob

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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