New Demo - demonstrate buttons in code and alpha channel

Demo_Notification_Window_Alpha_Channel.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python
+import sys
+import time
+if sys.version_info[0] >= 3:
+    import PySimpleGUI as sg
+else:
+    import PySimpleGUI27 as sg
+
+# Demonstrates a notification window that's partially transparent
+# The window slowly fades-in
+# Includes a small red-X button to close the window
+# Base 64 encoded button is in-lined to avoid reading a file
+# Free online encoder - https://www.base64-image.de/
+red_x ="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"
+
+
+sg.ChangeLookAndFeel('Topanga')
+sg.SetOptions(border_width=0, margins=(0,0))
+bcolor=('black', '#282923')
+
+sg.SetOptions(border_width=0, margins=(0,0))
+
+layout = [[sg.T('Notification'+' '*14),
+           sg.Button('', image_data=red_x, button_color=('#282923', '#282923'))],
+          [sg.T('')],
+          [sg.T('You have 6 new emails')],]
+
+window = sg.Window('',
+                   no_titlebar=True,
+                   grab_anywhere=True,
+                   keep_on_top=True,
+                   alpha_channel=0
+                   ).Layout(layout).Finalize()
+
+# Classy fade-in
+for i in range(1, 75, 2):
+    window.AlphaChannel = float(i)/100
+    time.sleep(.01)
+
+event, values = window.Read()