C#
C++
F#
VB
CloudBlockBlob.::..BeginUploadFromStream Method (Stream, Int64, AsyncCallback, Object)(Stream^, Int64, AsyncCallback^, Object^)(Stream, Int64, AsyncCallback, Object)(Stream, Int64, AsyncCallback, Object)
Begins an asynchronous operation to upload a stream to a block blob.
Assembly: Microsoft.WindowsAzure.Storage (in Microsoft.WindowsAzure.Storage.dll)
Syntax
[DoesServiceRequestAttribute] public virtual ICancellableAsyncResult BeginUploadFromStream( Stream source, long length, AsyncCallback callback, object state )
C++
public: [DoesServiceRequestAttribute] virtual ICancellableAsyncResult^ BeginUploadFromStream( Stream^ source, long long length, AsyncCallback^ callback, Object^ state )
[<DoesServiceRequestAttribute>] abstract BeginUploadFromStream : source:Stream * length:int64 * callback:AsyncCallback * state:Object -> ICancellableAsyncResult [<DoesServiceRequestAttribute>] override BeginUploadFromStream : source:Stream * length:int64 * callback:AsyncCallback * state:Object -> ICancellableAsyncResult
<DoesServiceRequestAttribute> Public Overridable Function BeginUploadFromStream ( source As Stream, length As Long, callback As AsyncCallback, state As Object ) As ICancellableAsyncResult
Parameters
- source
-
Type:
System.IO.StreamSystem.IO::Stream^System.IO.StreamSystem.IO.Stream
A Stream object providing the blob content.
- length
-
Type:
System.Int64System::Int64System.Int64System.Int64
The number of bytes to write from the source stream at its current position.
- 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.ICancellableAsyncResultAn ICancellableAsyncResult that references the asynchronous operation.
See Also
BeginUploadFromStream Overload
CloudBlockBlob Class
Microsoft.WindowsAzure.Storage.Blob Namespace