Presents the user with the operating system dialog that allows them to specify a file name and a specific location. Commonly used for specifying where a user would like to save a file.
Returns the path to the file, including the new file name, or
None if no selection was made.
You can pass along a series of file types to limit the files displayed to the user; this works exactly the same as in
dabo.ui.getFile(), so see that page for more detailed usage information.