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      BeforeGetCallbackResult Event
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 End-User Documentation

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.v17.1.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type TreeListCustomCallbackEventArgs containing data related to this event.

The following TreeListCustomCallbackEventArgs properties provide information specific to this event.
Property Description
Argument Gets a string that contains specific information (if any) passed from the client side.

Expanded 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.

Expanded See Also

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