dialog for selecting a directory
directory = uigetdir() directory = uigetdir(start_path) directory = uigetdir(start_path, title)
a character string which gives the initial directory used for search. By default uigetdir uses current working directory.
the title for the uigetdir window.
is the user selected directory if user answers "Ok" or the " " string if user cancels.
Creates a dialog window for selecting a directory