When you drag a RadWaitingBar from the Toolbox and drop it onto the form, the waiting bar style gallery will offer you to pick up the desired type. It allows you to customize the appearance settings as well:
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.
Associated Control: Specifies the associated control.
Choose WaitingBar style: Opens the gallery.
Learning Center: Navigate to the Telerik help, code library projects or support forum.
Search: Search the Telerik site for a given string.