New Demo showing how to redraw figures on a Graph if the window resizes

DemoPrograms/Demo_Graph_Window_Resize.py

@@ -0,0 +1,45 @@
+import PySimpleGUI as sg
+
+"""
+    Demo - Graph Element Rescale Figures When Window Resizes
+
+    This demo shows how you can redraw your Graph element's figures so that when
+    you resize the window, all of the figures on the graph resize.
+
+    There may be a tkinter method to help do this?
+
+    Copyright 2022 PySimpleGUI
+"""
+
+gsize = (400,400)
+
+layout = [  [sg.Text('Rescaling a Graph Element When Window is Resized')],
+            [sg.Graph(gsize, (0,0),gsize, expand_x=True, expand_y=True, k='-G-', background_color='green')],
+            [sg.Button('Exit'), sg.Sizegrip()]  ]
+
+window = sg.Window('Graph Element Scale With Window', layout, finalize=True, resizable=True, enable_window_config_events=True)
+
+graph = window['-G-']       #type: sg.Graph
+
+orig_win_size = window.current_size_accurate()
+# Draw the figure desired (will repeat this code later)
+fig = window['-G-'].draw_circle((200, 200), 50, fill_color='blue')
+
+while True:
+    event, values = window.read()
+    if event == sg.WIN_CLOSED or event == 'Exit':
+        break
+    if event == sg.WINDOW_CONFIG_EVENT:     # if get a window resized event
+        # Determine how much the window was resized by and tell the Graph element the new size for the Canvas
+        new_size = window.current_size_accurate()
+        dx = orig_win_size[0]-new_size[0]
+        dy = orig_win_size[1]-new_size[1]
+        gsize = (gsize[0] - dx, gsize[1] - dy)
+        orig_win_size = new_size
+        graph.CanvasSize = gsize
+        # Erase entire Graph and redraw all figures0
+        graph.erase()
+        # Redraw your figures here
+        fig = window['-G-'].draw_circle((200, 200), 50, fill_color='blue')
+
+window.close()