IModelApplicationNavigationItems Interface

Used to extend the Application Model with the NavigationItems node.

Namespace: DevExpress.ExpressApp.SystemModule

Assembly: DevExpress.ExpressApp.v22.1.dll

Declaration

C#

public interface IModelApplicationNavigationItems

VB.NET

Public Interface IModelApplicationNavigationItems

Remarks

This interface is a part of the Application Model infrastructure. You do not need to implement this interface in most cases. The IModelApplicationNavigationItems is used by the ShowNavigationItemController, to extend the IModelApplication.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the IModelApplicationNavigationItems interface.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

XAF_how-to-auto-select-the-first-item-when-changing-the-group-in-the-navigation-control-e506/CS/DXExample.Module/SelectFirstNavigationItemControllerBase.cs#L47

protected bool CanAutoSelectFirstItemInGroup() {
    return ((IModelRootNavigationItemsEx)((IModelApplicationNavigationItems)Application.Model).NavigationItems).AllowSelectFirstItem;
}

XAF_how-to-customize-an-aspnet-template-e4359/CS/CustomizeTemplate.Web/MyDefaultVerticalTemplateContent.ascx.cs#L30

IModelApplicationNavigationItems modelApplicationNavigationItems = (IModelApplicationNavigationItems)WebApplication.Instance.Model;
bool showNavigationOnStart = ((IModelRootNavigationItemsWeb)modelApplicationNavigationItems.NavigationItems).ShowNavigationOnStart;

VB.NET

XAF_how-to-auto-select-the-first-item-when-changing-the-group-in-the-navigation-control-e506/VB/DXExample.Module/SelectFirstNavigationItemControllerBase.vb#L53

Protected Function CanAutoSelectFirstItemInGroup() As Boolean
    Return (CType((CType(Application.Model, IModelApplicationNavigationItems)).NavigationItems, IModelRootNavigationItemsEx)).AllowSelectFirstItem
End Function

XAF_how-to-customize-an-aspnet-template-e4359/VB/CustomizeTemplate.Web/MyDefaultVerticalTemplateContent.ascx.vb#L33

Dim modelApplicationNavigationItems As IModelApplicationNavigationItems = CType(WebApplication.Instance.Model, IModelApplicationNavigationItems)
Dim showNavigationOnStart As Boolean = CType(modelApplicationNavigationItems.NavigationItems, IModelRootNavigationItemsWeb).ShowNavigationOnStart