SaveFileName

SaveFileName(title=None, filter=None, folder=None, filename=None, extension=None)

Display a save dialog box allowing the user to enter a file name. Note, this function does not save the file. Has ability to detect file name and switch the filter index. :param title[opt] = A dialog box title.: :param filter[opt] = A filter string. The filter must be in the following form:

“Description1|Filter1|Description2|Filter2||”, where “||” terminates filter string. If omitted, the filter (.) is used.

param folder[opt] = A default folder.:   param filename[opt] = a default file name. Extension can be provided here.:   param extension[opt] = a default file extension. This overrides extension in filename:   returns:the file name is successful None if not successful, or on error