Goes up one level in the file system structure.
function GoUp: Boolean; virtual;
True if successful and False otherwise.
This method makes the parent folder of the current folder the new active folder, which contents will be displayed in the current view.
TJamBrowseForFolder
TJamShellList.CreateDir
CreateDir
TShellBrowser.Folder
TJamShellLink.GoUp
TJamShellList.GoUp
TShellBrowser.ObjectName
JamSystemShellView.TJamShellControl