Storage Client Library for Windows Phone (Version 7.0)

Begins an asynchronous operation to write a range to a file.

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

Syntax

C#

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[DoesServiceRequestAttribute]
public virtual ICancellableAsyncResult BeginWriteRange(
	Stream rangeData,
	long startOffset,
	string contentMD5,
	AccessCondition accessCondition,
	FileRequestOptions options,
	OperationContext operationContext,
	AsyncCallback callback,
	object state
)

C++

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public:
[DoesServiceRequestAttribute]
virtual ICancellableAsyncResult^ BeginWriteRange(
	Stream^ rangeData,
	long long startOffset,
	String^ contentMD5,
	AccessCondition^ accessCondition,
	FileRequestOptions^ options,
	OperationContext^ operationContext,
	AsyncCallback^ callback,
	Object^ state
)

F#

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[<DoesServiceRequestAttribute>]
abstract BeginWriteRange : 
        rangeData:Stream *
        startOffset:int64 *
        contentMD5:string *
        accessCondition:AccessCondition *
        options:FileRequestOptions *
        operationContext:OperationContext *
        callback:AsyncCallback *
        state:Object -> ICancellableAsyncResult
[<DoesServiceRequestAttribute>]
override BeginWriteRange : 
        rangeData:Stream *
        startOffset:int64 *
        contentMD5:string *
        accessCondition:AccessCondition *
        options:FileRequestOptions *
        operationContext:OperationContext *
        callback:AsyncCallback *
        state:Object -> ICancellableAsyncResult

VB

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<DoesServiceRequestAttribute>
Public Overridable Function BeginWriteRange (
	rangeData As Stream,
	startOffset As Long,
	contentMD5 As String,
	accessCondition As AccessCondition,
	options As FileRequestOptions,
	operationContext As OperationContext,
	callback As AsyncCallback,
	state As Object
) As ICancellableAsyncResult

Parameters

rangeData

Type: System.IO.StreamSystem.IO::Stream^System.IO.StreamSystem.IO.Stream

A stream providing the data.

startOffset

Type: System.Int64System::Int64System.Int64System.Int64

The offset at which to begin writing, in bytes.

contentMD5

Type: System.StringSystem::String^System.StringSystem.String

An optional hash value that will be used to set the ContentMD5ContentMD5ContentMD5ContentMD5 property on the file. May be null or an empty string.

accessCondition

Type: Microsoft.WindowsAzure.Storage.AccessConditionMicrosoft.WindowsAzure.Storage::AccessCondition^Microsoft.WindowsAzure.Storage.AccessConditionMicrosoft.WindowsAzure.Storage.AccessCondition

An AccessCondition object that represents the access conditions for the file. If null, no condition is used.

options

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

A 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 ICancellableAsyncResult that references the asynchronous operation.

See Also

BeginWriteRange Overload
CloudFile Class
Microsoft.WindowsAzure.Storage.File Namespace

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