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ICloudBlob.BeginDownloadRangeToStream 方法

定义

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BeginDownloadRangeToStream(Stream, Nullable<Int64>, Nullable<Int64>, AccessCondition, BlobRequestOptions, OperationContext, AsyncCallback, Object)

开始异步操作,将一系列字节从 Blob 下载到流。

BeginDownloadRangeToStream(Stream, Nullable<Int64>, Nullable<Int64>, AsyncCallback, Object)

开始异步操作,将一系列字节从 Blob 下载到流。

BeginDownloadRangeToStream(Stream, Nullable<Int64>, Nullable<Int64>, AccessCondition, BlobRequestOptions, OperationContext, AsyncCallback, Object)

开始异步操作,将一系列字节从 Blob 下载到流。

public Microsoft.Azure.Storage.ICancellableAsyncResult BeginDownloadRangeToStream (System.IO.Stream target, long? offset, long? length, Microsoft.Azure.Storage.AccessCondition accessCondition, Microsoft.Azure.Storage.Blob.BlobRequestOptions options, Microsoft.Azure.Storage.OperationContext operationContext, AsyncCallback callback, object state);
abstract member BeginDownloadRangeToStream : System.IO.Stream * Nullable<int64> * Nullable<int64> * Microsoft.Azure.Storage.AccessCondition * Microsoft.Azure.Storage.Blob.BlobRequestOptions * Microsoft.Azure.Storage.OperationContext * AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResult
Public Function BeginDownloadRangeToStream (target As Stream, offset 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
Stream

表示 Stream 目标流的 对象。

offset
Nullable<Int64>

数据范围的起始偏移量,以字节为单位。

length
Nullable<Int64>

数据范围的长度,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

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

引用 ICancellableAsyncResult 异步操作的 。

适用于

BeginDownloadRangeToStream(Stream, Nullable<Int64>, Nullable<Int64>, AsyncCallback, Object)

开始异步操作,将一系列字节从 Blob 下载到流。

public Microsoft.Azure.Storage.ICancellableAsyncResult BeginDownloadRangeToStream (System.IO.Stream target, long? offset, long? length, AsyncCallback callback, object state);
abstract member BeginDownloadRangeToStream : System.IO.Stream * Nullable<int64> * Nullable<int64> * AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResult
Public Function BeginDownloadRangeToStream (target As Stream, offset As Nullable(Of Long), length As Nullable(Of Long), callback As AsyncCallback, state As Object) As ICancellableAsyncResult

参数

target
Stream

表示 Stream 目标流的 对象。

offset
Nullable<Int64>

数据范围的起始偏移量,以字节为单位。

length
Nullable<Int64>

数据范围的长度,以字节为单位。

callback
AsyncCallback

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

引用 ICancellableAsyncResult 异步操作的 。

适用于