SaveState and LoadState methods of RibbonControlAdv helps you to save the following ribbon information.
The items in the QuickAccessToolBar that are added through the "Customize Quick Access ToolBar" can be persisted.
Items added through the context menu that appears while clicking the dropdown arrow to the right of the QuickAccessToolBar can be persisted.
The collapsed / expanded / floating state of the RibbonPanel can be persisted.
The position of the QuickAccessToolBar, either below or above the ribbon panel can be persisted.
C#
this.ribbonControlAdv1.SaveState();
this.ribbonControlAdv1.LoadState();
VB
this.ribbonControlAdv1.SaveState()
this.ribbonControlAdv1.LoadState()
Sample :
http://files.syncfusion.com/support/tools.windows/kb_samples/tools_wf_ribbon_persistence.zip