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)
'Declaration Public MustOverride Function BeginGetData ( _ context As HttpContext, _ callback As AsyncCallback, _ asyncState As Object _ ) As IAsyncResult 'Usage Dim instance As AddonDataHandler Dim context As HttpContext Dim callback As AsyncCallback Dim asyncState As Object Dim returnValue As IAsyncResult returnValue = instance.BeginGetData(context, _ callback, asyncState)
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.IAsyncResultAn IAsyncResult object that contains information about the status of the operation.
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