ICloudBlob.BeginExists Method (AsyncCallback, Object) (Microsoft.WindowsAzure.Storage.Blob)

Begins an asynchronous request to check existence of the blob.

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

Syntax

C#

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ICancellableAsyncResult BeginExists(
	AsyncCallback callback,
	object state
)

C++

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ICancellableAsyncResult^ BeginExists(
	AsyncCallback^ callback,
	Object^ state
)

F#

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abstract BeginExists : 
        callback:AsyncCallback *
        state:Object -> ICancellableAsyncResult

VB

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Function BeginExists (
	callback As AsyncCallback,
	state As Object
) As ICancellableAsyncResult

Parameters

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.

See Also

BeginExists Overload
ICloudBlob Interface
Microsoft.WindowsAzure.Storage.Blob Namespace

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