PySimpleGUI file browser specific file type

问题

i am trying to browse a only excel files but How to restrict the file type in PySimpleGUI browse button .

回答1:

layout = [[sg.In() ,sg.FileBrowse(file_types=(("Text Files", "*.txt"),))]]

来源：https://stackoverflow.com/questions/57443004/pysimplegui-file-browser-specific-file-type