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CloudFile.BeginDownloadRangeToStream 方法

参考

定义

命名空间:: Microsoft.Azure.Storage.File

程序集:: Microsoft.Azure.Storage.File.dll

包:: Microsoft.Azure.Storage.File v11.2.3

重要

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重载

BeginDownloadRangeToStream(Stream, Nullable<Int64>, Nullable<Int64>, AsyncCallback, Object)	开始异步操作，将文件的内容下载到流。
BeginDownloadRangeToStream(Stream, Nullable<Int64>, Nullable<Int64>, AccessCondition, FileRequestOptions, OperationContext, AsyncCallback, Object)	开始异步操作，将文件的内容下载到流。

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

开始异步操作，将文件的内容下载到流。

[Microsoft.Azure.Storage.DoesServiceRequest]
public virtual Microsoft.Azure.Storage.ICancellableAsyncResult BeginDownloadRangeToStream (System.IO.Stream target, long? offset, long? length, AsyncCallback callback, object state);

[<Microsoft.Azure.Storage.DoesServiceRequest>]
abstract member BeginDownloadRangeToStream : System.IO.Stream * Nullable<int64> * Nullable<int64> * AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResult
override this.BeginDownloadRangeToStream : System.IO.Stream * Nullable<int64> * Nullable<int64> * AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResult

Public Overridable 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

目标流。

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

在异步操作完成时接收通知的回调委托。

state: Object

将传递给回调委托的用户定义对象。

ICancellableAsyncResult

引用 ICancellableAsyncResult 异步操作的。

属性: DoesServiceRequestAttribute

适用于

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

开始异步操作，将文件的内容下载到流。

[Microsoft.Azure.Storage.DoesServiceRequest]
public virtual Microsoft.Azure.Storage.ICancellableAsyncResult BeginDownloadRangeToStream (System.IO.Stream target, long? offset, long? length, Microsoft.Azure.Storage.AccessCondition accessCondition, Microsoft.Azure.Storage.File.FileRequestOptions options, Microsoft.Azure.Storage.OperationContext operationContext, AsyncCallback callback, object state);

[<Microsoft.Azure.Storage.DoesServiceRequest>]
abstract member BeginDownloadRangeToStream : System.IO.Stream * Nullable<int64> * Nullable<int64> * Microsoft.Azure.Storage.AccessCondition * Microsoft.Azure.Storage.File.FileRequestOptions * Microsoft.Azure.Storage.OperationContext * AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResult
override this.BeginDownloadRangeToStream : System.IO.Stream * Nullable<int64> * Nullable<int64> * Microsoft.Azure.Storage.AccessCondition * Microsoft.Azure.Storage.File.FileRequestOptions * Microsoft.Azure.Storage.OperationContext * AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResult

Public Overridable Function BeginDownloadRangeToStream (target As Stream, offset As Nullable(Of Long), length As Nullable(Of Long), accessCondition As AccessCondition, options As FileRequestOptions, operationContext As OperationContext, callback As AsyncCallback, state As Object) As ICancellableAsyncResult