Rounded control panels are found on many of the standard BlackBerry applications. They typically group different controls together into logical groupings. Below is a screen shot of a control group that has a button and some progress indicators nested inside of it and a BlackBerry 10 control group example
To declare a control panel you create a <div> with the data-bb-type="round-panel" attribute. All content that you add to the inside of this <div> will appear inside the control panel.
On BlackBerry 5/6/7/PlayBook these will appear as a rounded panel. With BlackBerry 10 styling they will appear as a section of the screen with a title at the top (if specified).
Control panels can either be a simple panel, or they can also have a title added to them. To add a title add a <div> with the data-bb-type="panel-header" attribute. The text contained inside of this div will show up as a header on the panel. An example of what this header looks like can be seen in the Label/Control Container section below.
<div data-bb-type="screen"> <div data-bb-type="round-panel"> <div data-bb-type="panel-header">My Header</div> </div> </div>
When you want to dynamically show or hide your control group you can call it's show() and hide() functions.
As a convenience you can also remove your control group from the screen by calling the remove() function.