BaseView.QueryControl Event
Occurs when a document is to be displayed and allows you to assign content to this document. This event is in effect in Deferred Load mode.
Namespace: DevExpress.XtraBars.Docking2010.Views
Assembly: DevExpress.XtraBars.v22.2.dll
NuGet Package: DevExpress.Win.Navigation
Declaration
Event Data
The QueryControl event's data class is QueryControlEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| Control | Gets or sets the content of the document that raised the current BaseView.QueryControl event. |
| Document | Points to the document related to the current event. Inherited from DocumentEventArgs. |
Remarks
The QueryControl event is raised each time a document with no content is to be displayed. To set this document’s content use the QueryControlEventArgs.Control property. You can also use the DocumentEventArgs.Document property to get a document related to this event.
The QueryControl event is part of the Deferred Load feature. See this link to learn more.