The drop down menus assigned to the Large Ribbon buttons and Large Split Ribbon buttons are provided by a Telerik RadMenu with some addition CSS styles applied.

Select the Ribbon's 'Standard' tab to perform the following actions.

Clicking the following buttons toggle the state of the Large Ribbon buttons.

Clicking this button toggles the text between 'Set' and 'Reset'.

Select the Ribbon's 'Split' tab to perform the following actions.

Clicking this button toggles the state of the Large Split Ribbon buttons.

Clicking this button toggles the text between 'Set' and 'Reset'.

Select the Ribbon's 'Navigation\Validation' tab to perform the following actions.

These text boxes use a required field validator. Clear the text from the appropriate text box and click the corresponding validation group button.

By performing a post back you can see how changes made to the Ribbon on the client are reflected back on the server.