说明：  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 Windows Explorer. The invisible ShellBrowser component provides an easy interface to the Windows shell interface. All components support the properties page correct icons, OLE Drag&Drop and the Explorer context menu. A thumbnail component displays the Explorer thumbnail images and the JamShellNotifier component informs you about numerous shell events. Interesting sample projects and help file with a lot of sample code are included.