## Design Time

At design time you can directly type on the left or right part to add buttons.

> caption Figure 1: RadTabbedForm Add Buttons to the Left or Right

![WinForms RadTabbedForm Design Time](https://www.telerik.com/products/winforms/documentation/assets/59b9ebbda3b8e8e57b757e2c77ecd34a/radtabbedform-design-time002.png)

> important When the content area or a tab is selected you cannot resize the form. Just pres **Esc** and the parent form will be selected.

## Smart Tag

> caption Figure 2: RadTabbedForm Smart Tag

![WinForms RadTabbedForm Smart Tag](https://www.telerik.com/products/winforms/documentation/assets/2d1b82b20ee8a752fcdec2565e0de679/radtabbedform-design-time001.png)

* **Common Tasks**
  * **New Theme Manager:** Adds a new **RadThemeManager** component to the form.
  * **Edit UI elements:** Opens a dialog that displays the **Element Hierarchy Editor.** This editor lets you browse all the elements in the control.
  * **Theme Name:** Select a theme name from the drop down list of themes available for that control. Selecting a theme allows you to change all aspects of the controls visual style at one time.
* **TabbedFormControl Tasks**
  * **Caption Height:** Set the height of the entire title bar.
  * **Tab Height:** Set the height of all tabs.
  * **Tab Spacing:** Set the space between the tabs.
  * **Tab Width:** Set the width of all tabs.
  * **Minimum Tab Width:** Set the minimum tabs width.
  * **Pinned Items Position:** Set the position of the pinned tabs.
  * **Tab Item Drag Mode:** Set the drag drop mode.
* **Tabs**
  * Add or remove tabs.
* **Learning Center:** Navigate to the Telerik help, code library projects or support forum.
* **Search:** Search the Telerik site for a given string.

## See Also

* [Structure](https://www.telerik.com/products/winforms/documentation/controls/forms-and-dialogs/tabbedform/structure)
* [Getting Started](https://www.telerik.com/products/winforms/documentation/controls/forms-and-dialogs/tabbedform/getting-started)