IntegralUI Containers is a set of four advanced container controls which are easy to use and fully customizable. The included controls are: Expander, which is an expandable container which also has the option to add custom command buttons in its header, SplitContainer which gives you the ability to present a group of controls in two resizable panels, TabControl with the unique ability to combine toolbar and tabs and TabDockContainer which gives you the ability to use pages as docking containers. All the controls have a highly customizable appearance and include theme support (including Vista).