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CloudBlob.BeginDownloadRangeToByteArray 方法

定义

命名空间:

Microsoft.Azure.Storage.Blob

程序集:

Microsoft.Azure.Storage.Blob.dll

包:

Microsoft.Azure.Storage.Blob v11.2.3

重载

BeginDownloadRangeToByteArray(Byte[], Int32, Nullable<Int64>, Nullable<Int64>, AsyncCallback, Object)	开始异步操作，将字节范围从 blob 下载到字节数组。
BeginDownloadRangeToByteArray(Byte[], Int32, Nullable<Int64>, Nullable<Int64>, AccessCondition, BlobRequestOptions, OperationContext, AsyncCallback, Object)	开始异步操作，将字节范围从 blob 下载到字节数组。

BeginDownloadRangeToByteArray(Byte[], Int32, Nullable<Int64>, Nullable<Int64>, AsyncCallback, Object)

开始异步操作，将字节范围从 blob 下载到字节数组。

[Microsoft.Azure.Storage.DoesServiceRequest]
public virtual Microsoft.Azure.Storage.ICancellableAsyncResult BeginDownloadRangeToByteArray (byte[] target, int index, long? blobOffset, long? length, AsyncCallback callback, object state);

[<Microsoft.Azure.Storage.DoesServiceRequest>]
abstract member BeginDownloadRangeToByteArray : byte[] * int * Nullable<int64> * Nullable<int64> * AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResult
override this.BeginDownloadRangeToByteArray : byte[] * int * Nullable<int64> * Nullable<int64> * AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResult

Public Overridable Function BeginDownloadRangeToByteArray (target As Byte(), index As Integer, blobOffset As Nullable(Of Long), length As Nullable(Of Long), callback As AsyncCallback, state As Object) As ICancellableAsyncResult

参数

target

Byte[]

目标字节数组。

index

Int32

字节数组中的起始偏移量。

blobOffset

Nullable<Int64>

数据范围的起始偏移量，以字节为单位。

length

Nullable<Int64>

要从 Blob 下载的数据的长度（以字节为单位）。

callback

AsyncCallback

在 AsyncCallback 异步操作完成时接收通知的委托。

state

Object

将传递给回调委托的用户定义对象。

返回

ICancellableAsyncResult

引用 ICancellableAsyncResult 异步操作的 。

属性

DoesServiceRequestAttribute

BeginDownloadRangeToByteArray(Byte[], Int32, Nullable<Int64>, Nullable<Int64>, AccessCondition, BlobRequestOptions, OperationContext, AsyncCallback, Object)

开始异步操作，将字节范围从 blob 下载到字节数组。

[Microsoft.Azure.Storage.DoesServiceRequest]
public virtual Microsoft.Azure.Storage.ICancellableAsyncResult BeginDownloadRangeToByteArray (byte[] target, int index, long? blobOffset, long? length, Microsoft.Azure.Storage.AccessCondition accessCondition, Microsoft.Azure.Storage.Blob.BlobRequestOptions options, Microsoft.Azure.Storage.OperationContext operationContext, AsyncCallback callback, object state);

[<Microsoft.Azure.Storage.DoesServiceRequest>]
abstract member BeginDownloadRangeToByteArray : byte[] * int * Nullable<int64> * Nullable<int64> * Microsoft.Azure.Storage.AccessCondition * Microsoft.Azure.Storage.Blob.BlobRequestOptions * Microsoft.Azure.Storage.OperationContext * AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResult
override this.BeginDownloadRangeToByteArray : byte[] * int * Nullable<int64> * Nullable<int64> * Microsoft.Azure.Storage.AccessCondition * Microsoft.Azure.Storage.Blob.BlobRequestOptions * Microsoft.Azure.Storage.OperationContext * AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResult

Public Overridable Function BeginDownloadRangeToByteArray (target As Byte(), index As Integer, blobOffset As Nullable(Of Long), length As Nullable(Of Long), accessCondition As AccessCondition, options As BlobRequestOptions, operationContext As OperationContext, callback As AsyncCallback, state As Object) As ICancellableAsyncResult

参数

target

Byte[]

目标字节数组。

index

Int32

字节数组中的起始偏移量。

blobOffset

Nullable<Int64>

数据范围的起始偏移量，以字节为单位。

length

Nullable<Int64>

要从 Blob 下载的数据的长度（以字节为单位）。

accessCondition

AccessCondition

一个 AccessCondition 对象，表示继续处理请求而必须满足的条件。

options

BlobRequestOptions

一个 BlobRequestOptions 对象，它指定请求的其他选项。

operationContext

OperationContext

一个 OperationContext 对象，它一个表示当前操作的上下文。

callback

AsyncCallback

在 AsyncCallback 异步操作完成时接收通知的委托。

state

Object

将传递给回调委托的用户定义对象。

返回

ICancellableAsyncResult

引用 ICancellableAsyncResult 异步操作的 。

属性

DoesServiceRequestAttribute