CloudPageBlob.BeginUploadFromStream Method (Stream, BlobRequestOptions, AsyncCallback, Object)
From Storage Client Library NET API
| CloudPageBlob.BeginUploadFromStream Method (Stream, BlobRequestOptions, AsyncCallback, Object) |
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Begins an asynchronous operation to upload a blob from a stream, using a conditional request based on the BlobRequestOptions specified.
Namespace: Microsoft.WindowsAzure.StorageClient
Assembly: Microsoft.WindowsAzure.StorageClient (in Microsoft.WindowsAzure.StorageClient.dll)
Usage
| Visual Basic |
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Dim instance As CloudPageBlob Dim source As Stream Dim options As BlobRequestOptions Dim callback As AsyncCallback Dim state As Object Dim returnValue As IAsyncResult returnValue = instance.BeginUploadFromStream(source, options, callback, state) |
Syntax
| Visual Basic |
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Public Overrides Function BeginUploadFromStream ( _ source As Stream, _ options As BlobRequestOptions, _ callback As AsyncCallback, _ state As Object _ ) As IAsyncResult |
| C# |
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public override IAsyncResult BeginUploadFromStream ( Stream source, BlobRequestOptions options, AsyncCallback callback, Object state ) |
| C++ |
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public: virtual IAsyncResult^ BeginUploadFromStream ( Stream^ source, BlobRequestOptions^ options, AsyncCallback^ callback, Object^ state ) override |
| J# |
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| JScript |
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Parameters
- source
Type: System.IO.Stream
The data stream to upload.
- options
Type: Microsoft.WindowsAzure.StorageClient.BlobRequestOptions
An object that specifies any additional options for the request.
- callback
Type: System.AsyncCallback
The callback delegate that will receive notification when the asynchronous operation completes.
- state
Type: System.Object
A user-defined object that will be passed to the callback delegate.
Return Value
Type: System.IAsyncResult
An IAsyncResult that references the asynchronous operation.
Exceptions
| Exception type | Condition |
|---|---|
| NotSupportedException | This operation is not supported on objects of type CloudPageBlob. |
Remarks
For optimum performance, the stream should support a length.