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 End-User Documentation

TabForm Class

A tabbed UI form that allows you to add custom buttons (Bar Items) to the form's header. Tabs and custom buttons can be incorporated directly in the title bar.

Namespace:DevExpress.XtraBars
Assembly:DevExpress.XtraBars.v18.2.dll

Expanded Syntax

Expanded Remarks

Tip

A complete Tab UI application based on the TabForm can be created with a single click by using the DevExpress Project Template Gallery.

To convert your form to the TabForm use the FormAssistant component (see How to: Convert Form and UserControl Types).

The TabForm consists of two regions:

The TabFormControl encapsulates the form's header. It displays tabs (TabFormControlBase.Pages collection) and custom buttons (TabFormControlBase.TitleItemLinks, TabFormControlBase.TabLeftItemLinks and TabFormControlBase.TabRightItemLinks).

Each tab (a TabFormPage object) is associated with its own XtraScrollableControl, which is a container for your controls. When you or your end-user selects a tab, the TabForm's client area displays the associated XtraScrollableControl. To access a tab page's control container in code, use the TabFormPage.ContentContainer property.

The TabForm's main features include:

Feature Member
Any number of tabs TabFormControlBase.Pages
Tabs can be added by an end-user at runtime using the built-in Add ("+") button TabFormControlBase.ShowAddPageButton
TabFormControlBase.PageCreated
Tabs can be displayed in the title bar TabFormControlBase.ShowTabsInTitleBar
Close buttons in tabs TabFormControlBase.ShowTabCloseButtons
Images in tabs TabFormPage.Image, TabFormPage.ImageIndex and TabFormPage.ImageUri
Dragging a tab away from the current form to create a separate form TabFormControlBase.AllowMoveTabsToOuterForm
Appearance customization TabFormControlBase.Appearance
Custom buttons TabFormControlBase.TitleItemLinks, TabFormControlBase.TabLeftItemLinks and TabFormControlBase.TabRightItemLinks
Note

Do not add a separate BarManager to the TabForm and TabFormControl.

You can add a toolbar(s) to a certain tabbed page. To accomplish this, create a User Control, add a BarManager to the User Control and then add this User Control to the target tabbed page (TabFormPage.ContentContainer).

Expanded Inheritance Hierarchy

System.Object
    System.MarshalByRefObject
       System.ComponentModel.Component
          System.Windows.Forms.Control
             System.Windows.Forms.ScrollableControl
                System.Windows.Forms.ContainerControl
                   System.Windows.Forms.Form
                      DevExpress.XtraEditors.DForm
                         DevExpress.XtraEditors.MouseWheelContainerForm
                            XtraForm
                               TabForm

Expanded See Also

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