AddonDataHandler::BeginGetData method

SharePoint 2013

An implementation of this method initiates an asynchronous request to the data source.

Namespace:  Microsoft.Office.Visio.Server
Assembly:  Microsoft.Office.Visio.Server (in Microsoft.Office.Visio.Server.dll)

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Parameters

context
Type: System.Web.HttpContext

An HttpContext object that provides references to intrinsic server objects that are used to service HTTP requests.

callback
Type: System.AsyncCallback

The AsyncCallback delegate to call when the asynchronous operation is complete.

asyncState
Type: System.Object

Any extra data needed to process the request.

Return value

Type: System.IAsyncResult
An IAsyncResult object that contains information about the status of the operation.
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