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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

public event CustomCallbackEventHandler CustomCallback
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.

See Also