Set the view style to ListBox, ToolBox, VisualStudio2005Toolbox, OutlookNavigationPane or ExplorerBar. 

Choose from a variety of preset styles for the controls to make it look and behave like Outlook Navigation Pane, Visual Studio toolbox or Windows Explorer Menu.
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Control its many behaviors and elements to create accordion-style groups, Outlook navigation pane or whatever look and feel you are after. Enable, disable, mouseover and select items, have your items contain yet other items hierarchically, associate images with items and more.
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Explorer Bar Container 
Templates are an easy way to display data within a grouped area. 

Use group Templates to display whatever complex content you want within your group area.
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Each view allows you to group items in expanding and collapsing regions.
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Groups and Items