WebChartControl.CustomCallback Event

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.v18.2.Web.dll

Declaration

C#

public event CustomCallbackEventHandler CustomCallback

VB.NET

Public Event CustomCallback As CustomCallbackEventHandler

Event Data

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.

Remarks

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.