aspnet-devexpress-dot-xtracharts-dot-web-dot-webchartcontrol-1c98d811.md
Fires when a round trip to the server has been initiated by a call to the client ASPxClientWebChartControl.PerformCallback method.
Namespace : DevExpress.XtraCharts.Web
Assembly : DevExpress.XtraCharts.v25.2.Web.dll
NuGet Package : DevExpress.Web.Visualization
public event CustomCallbackEventHandler CustomCallback
Public Event CustomCallback As CustomCallbackEventHandler
The CustomCallback event's data class is CustomCallbackEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| Parameter | Gets a string that contains specific information (if any) passed from the client side. |
The CustomCallback event allows any desired server-side processing to be performed in response to a call to the client ASPxClientWebChartControl.PerformCallback method.
Use the CustomCallbackEventArgs.Parameter property to get the information passed from the client side.
Note
The chart image is refreshed after performing a callback.
See Also