aspnet-devexpress-dot-web-dot-aspxtreelist-dot-aspxtreelist-2c20234d.md
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.v25.2.dll
NuGet Package : DevExpress.Web
public event TreeListCustomCallbackEventHandler CustomCallback
Public Event CustomCallback As TreeListCustomCallbackEventHandler
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. |
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.
See Also