ICloudBlob.BeginDownloadRangeToByteArray Method (Byte[], Int32, Nullable(Int64), Nullable(Int64), AsyncCallback, Object) (Microsoft.WindowsAzure.Storage.Blob)

Begins an asynchronous operation to download a range of bytes from a blob to a byte array.

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

Syntax

C#

Copy Code

 

ICancellableAsyncResult BeginDownloadRangeToByteArray(
	byte[] target,
	int index,
	Nullable<long> blobOffset,
	Nullable<long> length,
	AsyncCallback callback,
	object state
)

C++

Copy Code

 

ICancellableAsyncResult^ BeginDownloadRangeToByteArray(
	array<unsigned char>^ target,
	int index,
	Nullable<long long> blobOffset,
	Nullable<long long> length,
	AsyncCallback^ callback,
	Object^ state
)

F#

Copy Code

 

abstract BeginDownloadRangeToByteArray : 
        target:byte[] *
        index:int *
        blobOffset:Nullable<int64> *
        length:Nullable<int64> *
        callback:AsyncCallback *
        state:Object -> ICancellableAsyncResult

VB

Copy Code

 

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

Parameters

target

Type: System.Byte[]array<System::Byte>^System.Byte[]System.Byte()

The target byte array.

index

Type: System.Int32System::Int32System.Int32System.Int32

The starting offset in the byte array.

blobOffset

Type: System.Nullable<Int64>System::Nullable<Int64>System.Nullable<Int64>System.Nullable(Of Int64)

The starting offset of the data range, in bytes.

length

Type: System.Nullable<Int64>System::Nullable<Int64>System.Nullable<Int64>System.Nullable(Of Int64)

The length of the data range, in bytes.

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

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

Return to top