When @info was created from a known filename, return it. In some situations such as the #GDesktopAppInfo returned from g_desktop_app_info_new_from_keyfile(), this function will return %NULL.
The full path to the file for @info, or %NULL if not known.
2.24
See Implementation
When @info was created from a known filename, return it. In some situations such as the #GDesktopAppInfo returned from g_desktop_app_info_new_from_keyfile(), this function will return %NULL.