ShellBrowser Components for ActiveX
The ShellBrowser component set gives a programmer easy access to the Win32 shell functionality. The JamShellList, JamShellTree and JamShellCombo components look and behave exactly like the corresponding parts of the Explorer. All componments support the properties page, correct icons, OLE... The registered version of the ShellBrowser Components is royalty free. ... Interesting sample projects and help file with a lot of sample code are included. ... A thumbnail component displays the Explorer thumbnail images.
http://www.jam-software.com/activex/ShellBrowserX-Demo.exe - 3Mb - Download - Screenshot

ShellBrowser Components for Delphi Win32
The ShellBrowser component set gives a Delphi programmer easy access to the Win32 shell functionality. The TJamShellList, TJamShellTree and TJamShellCombo components look and behave exactly like the corresponding parts of the Explorer. The invisible TShellBrowser component provides an easy... The registered version of the ShellBrowser Components includes the source code and is royalty free. ... All components have full Unicode support. ... Interesting sample projects and help file with a lot of sample code are included.
http://www.jam-software.com/delphi/ShellBrowser-Demo.exe - 7Mb - Download - Screenshot