This project implements an open source Breadcrumb control that was originally developed by Leung Yat Chun Joseph lycj in his FileExplorer application originating from CodePlex and CodeProject.
The implementation of the Windows Shell Browser in WSF is based on LYCJ's interfaces but completely refactored in terms of models and classes using SharpShell as base of most things that are there. Another base of this project is the SuggestBox control which implements the AutoComplete portion that is visible when textual path information can be edit.
The AutoComplete portion of this control is implemented in a separate SuggestionBoxLib project: