RELEASE 3.5.2

Demo_Func_Callback_Simulation.py

@@ -1,36 +1,14 @@
 import PySimpleGUI as sg
 
-# This design pattern simulates button callbacks
-# Note that callbacks are NOT a part of the package's interface to the
-# caller intentionally.  The underlying implementation actually does use
-# tkinter callbacks.  They are simply hidden from the user.
+layout = [[sg.Text('Filename', )],
+          [sg.Input(), sg.FileBrowse()],
+          [sg.OK(), sg.Cancel()]]
 
-# The callback functions
-def button1():
-    print('Button 1 callback')
+button, (number,) = sg.FlexForm('Get filename example').LayoutAndRead(layout)
 
-def button2():
-    print('Button 2 callback')
 
-# Create a standard form
-form = sg.FlexForm('Button callback example')
-# Layout the design of the GUI
-layout = [[sg.Text('Please click a button', auto_size_text=True)],
-          [sg.ReadFormButton('1'), sg.ReadFormButton('2'), sg.Quit()]]
-# Show the form to the user
-form.Layout(layout)
 
-# Event loop. Read buttons, make callbacks
-while True:
-    # Read the form
-    button, value = form.Read()
-    # Take appropriate action based on button
-    if button == '1':
-        button1()
-    elif button == '2':
-        button2()
-    elif button =='Quit' or button is None:
-        break
+import PySimpleGUI as sg
 
-# All done!
-sg.PopupOK('Done')
+button, (filename,) = sg.FlexForm('Get filename example').LayoutAndRead(
+    [[sg.Text('Filename')], [sg.Input(), sg.FileBrowse()], [sg.OK(), sg.Cancel()]])