ASPxTreeList.CustomCallback Event

Fires when a round trip to the server has been initiated by a call to the client ASPxClientTreeList.PerformCallback method.

Namespace: DevExpress.Web.ASPxTreeList

Assembly: DevExpress.Web.ASPxTreeList.v19.1.dll

Declaration

C#

public event TreeListCustomCallbackEventHandler CustomCallback

VB.NET

Public Event CustomCallback As TreeListCustomCallbackEventHandler

Event Data

The CustomCallback event's data class is TreeListCustomCallbackEventArgs. The following properties provide information specific to this event:

Property	Description
Argument	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 ASPxClientTreeList.PerformCustomCallback method.

Use the event parameter’s TreeListCustomCallbackEventArgs.Argument property to get the information passed from the client side.