aspnet-devexpress-dot-web-dot-aspxpopupcontrolbase-eee181b1.md
Fires when a round trip to the server has been initiated by a call to the client ASPxClientPopupControl.PerformWindowCallback method.
Namespace : DevExpress.Web
Assembly : DevExpress.Web.v25.2.dll
NuGet Package : DevExpress.Web
public event PopupWindowCallbackEventHandler WindowCallback
Public Event WindowCallback As PopupWindowCallbackEventHandler
The WindowCallback event's data class is PopupWindowCallbackArgs. 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. Inherited from CallbackEventArgsBase. |
| Window | Gets a popup window object related to the event. |
The WindowCallback event allows any desired server-side processing to be performed in response to a call to the client ASPxClientPopupControl.PerformWindowCallback method, and any resulting required information to be passed to the client for further processing (if needed).
Specific information passed from the client side can be obtained via the CallbackEventArgsBase.Parameter property. A popup window object that was manipulated can be accessed via the PopupWindowCallbackArgs.Window property.
See Also