Introduction - If you have any usage issues, please Google them yourself
Write a notepad program, requirements:
(1) design the menu bar, there are two menus in the menu bar: Edit and edit
(2) the file menu has four menu items, new, open, save and close. The edit menu has three menu items: copy, paste, and cut.
(3) the implementation of the file new , open (open text file E:\1.txt ) and save (the contents of the user s input to the E:\1.txt ) operations.