| C1Theme Designer Application Overview > Theme Designer Ribbon Menu > Home Tab > Theme Preview |
The Form Preview groupbox appears on the Theme designer's Ribbon menu.

The following table describes each item inside the Form Preview:
| Item | Description |
|---|---|
| BTP Editor | Preview current theme applied to C1Controls (C1FlexGrid, C1Schedule, C1TrueDBGrid) in a C1RibbonForm. This opens in a new window. |
| Auto Preview |
Preview current theme applied to C1Controls (C1FlexGrid, C1Schedule, C1TrueDBGrid) in a WinForms with C1Command UI elements. This opens in a new window. |
| C1Command UI | Preview current theme applied to various C1Controls (C1TrueDBGrid, C1FlexGrid, C1Schedule) with C1Command menu and other UI elements. |
| C1Ribbon UI | Preview current theme applied to various C1Controls (C1TrueDBGrid, C1FlexGrid, C1Schedule) with a Ribbon-based UI. |
| C1Input (C1Command UI) | Preview current theme applied to various C1Input controls with C1Command menus and other UI elements. |
| C1Input (C1Ribbon UI) | Preview current theme applied to various C1Input controls with a C1Ribbon-based UI. |
| C1RadialMenu |
Preview current theme applied to a C1RadialMenu. |
| C1GanttView | Preview current theme applied to a C1GanttView. |
| C1Report | Preview currrent theme applied to C1Report print preview controls. |
| C1SuperTooltip | Preview current theme applied to C1SuperTooltip and C1SuperLabel. |
| WinForms Controls | Preview current theme applied to standard winform controls. |