Occurs after a callback sent by the current control has been processed on the server, but prior to the time the respective callback result render is formed.
Namespace: DevExpress.Web.ASPxTreeList
Assembly: DevExpress.Web.ASPxTreeList.v19.2.dll
public event EventHandler BeforeGetCallbackResultPublic Event BeforeGetCallbackResult As EventHandlerThe BeforeGetCallbackResult event handler receives an argument of the EventArgs type.
This event can be considered as an alternative to a web control's PreRender event, which by design is not invoked during callback processing.