To add a group to the Ribbon tab, you can use the smart designer, collection editor, or add code. Each option is described below.

To Add a Ribbon Group Using the Smart Designer

Complete the following steps:

1. Select the tab that you want to add a new group to. For steps on creating a new tab, see the Adding a Tab to the Ribbon topic.
2. Click the tab to activate it and enable the tab's floating toolbar:
   
3. From the tab's floating toolbar, click the Actions drop-down button.
4. Select Add Group. This adds a new group to the tab.
5. To edit the label, click the group text so that it is highlighted. Enter a new group name, for example, Font.
6. Press ENTER or click outside the editing box to accept the change.
7. Build on the group by adding items to the Ribbon group.

To Add a Ribbon Group Using the RibbonGroup Collection Editor

Complete the following steps:

1. Select the tab that you want to add a new group to. This activates the tab.
2. From the RibbonTab's Properties window, select the Groups property and click on the ellipsis button next to the (Collection).
   
   The RibbonGroup Collection Editor appears.
3. From the collection editor, click the Add button. A new group is added to the tab; the new group is listed in the Members list.
   
   With the new group highlighted, you can edit the properties through the Properties list.
4. Locate the RibbonGroup.Text property from the Properties list, and change the text to Font.
5. Click OK to close the collection editor.

To Add a Ribbon Group Programmatically

To add a RibbonGroup to the RibbonTab, add the following code to your project:

To write code in Visual Basic

Imports C1.Win.C1Ribbon
 
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
    ' Add a tab to the Ribbon
    Dim RibbonTab2 As RibbonTab = New RibbonTab()
    ' Label the tab
    RibbonTab2.Text = "Write"
    C1Ribbon1.Tabs.Add(RibbonTab2)
 
    ' Add a group to the Write tab
    Dim RibbonGroup2 As RibbonGroup = New RibbonGroup()
    ' Label the group
    RibbonGroup2.Text = "Font"
    RibbonTab2.Groups.Add(RibbonGroup2)
End Sub

To write code in C#

// type the using directive for the namespace
using C1.Win.C1Ribbon;
 
private void Form1_Load(object sender, System.EventArgs e)
{
    // Add a tab to the Ribbon
    RibbonTab RibbonTab2 = new RibbonTab();
    // Label the tab
    RibbonTab2.Text = "Write";
    c1Ribbon1.Tabs.Add(RibbonTab2);
 
    // Add a group to the Write tab
    RibbonGroup RibbonGroup2 = new RibbonGroup();
    // Label the group
    RibbonGroup2.Text = "Font";
    RibbonTab2.Groups.Add(RibbonGroup2);
}