[Browsable(false)]
[InheritableCollection]
[XtraSerializableProperty(false, true, false)]
public RibbonPageGroupItemLinkCollection ItemLinks { get; }

<Browsable(False)>
<InheritableCollection>
<XtraSerializableProperty(False, True, False)>
Public ReadOnly Property ItemLinks As RibbonPageGroupItemLinkCollection

using System.Windows.Forms;
using DevExpress.XtraBars.Ribbon;
using DevExpress.XtraBars;
using DevExpress.XtraEditors;

namespace DXApplication
{
    public partial class Form1 : XtraForm
    {
        public Form1()
        {
            InitializeComponent();
            // Create the DevExpress RibbonControl
            RibbonControl ribbon = new RibbonControl();
            this.Controls.Add(ribbon);
            /* Assign the SVG image collection to display images/icons within bar items.
             * In this example, the svgImageCollection1 was created and populated with SVG images at design-time.
             */
            ribbon.Images = svgImageCollection1;

            // Create a Ribbon page.
            RibbonPage pageHome = new RibbonPage("Home");
            ribbon.Pages.Add(pageHome);
            // Create a Ribbon page group.
            RibbonPageGroup groupFile = new RibbonPageGroup("File");
            pageHome.Groups.Add(groupFile);
            // Create another Ribbon page group.
            RibbonPageGroup groupPrint = new RibbonPageGroup("Print");
            pageHome.Groups.Add(groupPrint);

            // Create button items and add them to the 'File' group.
            BarButtonItem itemNew = ribbon.Items.CreateButton("New");
            // Ensures correct runtime layout (de)serialization.
            itemNew.Id = ribbon.Manager.GetNewItemId();
            // Specifies the image.
            itemNew.ImageOptions.SvgImage = svgImageCollection1["new"];
            itemNew.RibbonStyle = RibbonItemStyles.Large;
            itemNew.ItemClick += ItemClick;

            BarButtonItem itemOpen = ribbon.Items.CreateButton("Open");
            itemOpen.Id = ribbon.Manager.GetNewItemId();
            itemOpen.RibbonStyle = RibbonItemStyles.Large;
            itemOpen.ImageOptions.SvgImage = svgImageCollection1["open"];
            itemOpen.ItemClick += ItemClick;

            groupFile.ItemLinks.AddRange(new BarItem[] { itemNew, itemOpen });

            /* Create a button item using its constructor and add the button item to the 'Print' group.
             * The constructor automatically adds the new item to the RibbonControl's Items collection.
             */
            BarButtonItem itemPrint = new BarButtonItem(ribbon.Manager, "Print")
            {
                Id = ribbon.Manager.GetNewItemId(),
                RibbonStyle = RibbonItemStyles.Large
            };
            itemPrint.ImageOptions.SvgImage = svgImageCollection1["print"];
            itemPrint.ItemClick += ItemClick;

            // Create a button item using the default constructor.
            BarButtonItem itemPreview = new BarButtonItem()
            {
                Caption = "Preview",
                RibbonStyle = RibbonItemStyles.Large,
                Id = ribbon.Manager.GetNewItemId(),
            };
            itemPreview.ImageOptions.SvgImage = svgImageCollection1["preview"];
            itemPreview.ItemClick += ItemClick;
            // Add the 'Preview' item to the RibbonControl's Items collection.
            ribbon.Items.Add(itemPreview);

            groupPrint.ItemLinks.AddRange(new BarItem[] { itemPrint, itemPreview });

            // Create a status bar with the 'Print' command.
            RibbonStatusBar ribbonStatusBar = new RibbonStatusBar(ribbon)
            {
                Parent = this
            };
            BarItemLink linkPrint = ribbonStatusBar.ItemLinks.Add(itemPrint);
            linkPrint.UserRibbonStyle = RibbonItemStyles.SmallWithoutText;
            linkPrint.UserAlignment = BarItemLinkAlignment.Right;
        }

        void ItemClick(object sender, ItemClickEventArgs e)
        {
            XtraMessageBox.Show(string.Format("{0} command clicked.", e.Item.Caption), "Info", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }
    }
}

Imports System.Windows.Forms
Imports DevExpress.XtraBars.Ribbon
Imports DevExpress.XtraBars
Imports DevExpress.XtraEditors

Namespace DXApplication
    Partial Public Class Form1
        Inherits XtraForm

        Public Sub New()
            InitializeComponent()
            ' Create the DevExpress RibbonControl
            Dim ribbon As New RibbonControl()
            Me.Controls.Add(ribbon)
' Assign the SVG image collection to display images/icons within bar items.
' * In this example, the svgImageCollection1 was created and populated with SVG images at design-time.
'             
            ribbon.Images = svgImageCollection1

            ' Create a Ribbon page.
            Dim pageHome As New RibbonPage("Home")
            ribbon.Pages.Add(pageHome)
            ' Create a Ribbon page group.
            Dim groupFile As New RibbonPageGroup("File")
            pageHome.Groups.Add(groupFile)
            ' Create another Ribbon page group.
            Dim groupPrint As New RibbonPageGroup("Print")
            pageHome.Groups.Add(groupPrint)

            ' Create button items and add them to the 'File' group.
            Dim itemNew As BarButtonItem = ribbon.Items.CreateButton("New")
            ' Ensures correct runtime layout (de)serialization.
            itemNew.Id = ribbon.Manager.GetNewItemId()
            ' Specifies the image.
            itemNew.ImageOptions.SvgImage = svgImageCollection1("new")
            itemNew.RibbonStyle = RibbonItemStyles.Large
            AddHandler itemNew.ItemClick, AddressOf ItemClick

            Dim itemOpen As BarButtonItem = ribbon.Items.CreateButton("Open")
            itemOpen.Id = ribbon.Manager.GetNewItemId()
            itemOpen.RibbonStyle = RibbonItemStyles.Large
            itemOpen.ImageOptions.SvgImage = svgImageCollection1("open")
            AddHandler itemOpen.ItemClick, AddressOf ItemClick

            groupFile.ItemLinks.AddRange(New BarItem() { itemNew, itemOpen })

' Create a button item using its constructor and add the button item to the 'Print' group.
' * The constructor automatically adds the new item to the RibbonControl's Items collection.
'             
            Dim itemPrint As New BarButtonItem(ribbon.Manager, "Print") With {
                .Id = ribbon.Manager.GetNewItemId(),
                .RibbonStyle = RibbonItemStyles.Large
            }
            itemPrint.ImageOptions.SvgImage = svgImageCollection1("print")
            AddHandler itemPrint.ItemClick, AddressOf ItemClick

            ' Create a button item using the default constructor.
            Dim itemPreview As New BarButtonItem() With {
                .Caption = "Preview",
                .RibbonStyle = RibbonItemStyles.Large,
                .Id = ribbon.Manager.GetNewItemId()
            }
            itemPreview.ImageOptions.SvgImage = svgImageCollection1("preview")
            AddHandler itemPreview.ItemClick, AddressOf ItemClick
            ' Add the 'Preview' item to the RibbonControl's Items collection.
            ribbon.Items.Add(itemPreview)

            groupPrint.ItemLinks.AddRange(New BarItem() { itemPrint, itemPreview })

            ' Create a status bar with the 'Print' command.
            Dim ribbonStatusBar As New RibbonStatusBar(ribbon) With {.Parent = Me}
            Dim linkPrint As BarItemLink = ribbonStatusBar.ItemLinks.Add(itemPrint)
            linkPrint.UserRibbonStyle = RibbonItemStyles.SmallWithoutText
            linkPrint.UserAlignment = BarItemLinkAlignment.Right
        End Sub

        Private Sub ItemClick(ByVal sender As Object, ByVal e As ItemClickEventArgs)
            XtraMessageBox.Show(String.Format("{0} command clicked.", e.Item.Caption), "Info", MessageBoxButtons.OK, MessageBoxIcon.Information)
        End Sub
    End Class
End Namespace

RibbonGroupActionControlContainer container = (RibbonGroupActionControlContainer)e.Container;
IActionControl actionControl = CreateActionControl(e.Action.Id, container.RibbonGroup.ItemLinks);
container.AddActionControl(actionControl);