From 1e9a052f27ed71f66eca2a4bf1589e0096b08fbc Mon Sep 17 00:00:00 2001
From: MikeTheWatchGuy <mike_barnett@hotmail.com>
Date: Sat, 11 Aug 2018 19:36:07 -0400
Subject: [PATCH] Commented and fixed progress bar

---
 Demo_Machine_Learning.py | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/Demo_Machine_Learning.py b/Demo_Machine_Learning.py
index 6de6283f..3d2eeb0b 100644
--- a/Demo_Machine_Learning.py
+++ b/Demo_Machine_Learning.py
@@ -30,20 +30,27 @@ def MachineLearningGUI():
 
 
 def CustomMeter():
-
+    # create the progress bar element
     progress_bar = sg.ProgressBar(10000, orientation='h', size=(20,20))
-
+    # layout the form
     layout = [[sg.Text('A custom progress meter')],
               [progress_bar],
               [sg.Cancel()]]
 
+    # create the form
     form = sg.FlexForm('Custom Progress Meter')
+    # display the form as a non-blocking form
     form.LayoutAndRead(layout, non_blocking=True)
-
+    # loop that would normally do something useful
     for i in range(10000):
+        # check to see if the cancel button was clicked and exit loop if clicked
         button, values = form.ReadNonBlocking()
-        progress_bar.UpdateBar(i)
-
+        if button == 'Cancel' or values == None:
+            break
+        # update bar with loop value +1 so that bar eventually reaches the maximum
+        progress_bar.UpdateBar(i+1)
+    # done with loop... need to destroy the window as it's still open
+    form.CloseNonBlockingForm()
 
 if __name__ == '__main__':
     CustomMeter()