Start the wordpad demo in an STA thread.

tonyroberts · tonyroberts · commit 9f562be5639b · 2016-04-04T16:21:24.000+01:00
This fixes the problem with the open and save dialogs freezing the
application.
diff --git a/demo/wordpad.py b/demo/wordpad.py
@@ -9,6 +9,7 @@
 
 import clr
 import System.Windows.Forms as WinForms
+from System.Threading import Thread, ThreadStart, ApartmentState
 from System.Drawing import Color, Size, Point
 from System.Text import Encoding
 from System.IO import File
@@ -420,12 +421,19 @@ def OnClickClose(self, sender, args):
         self.Close()
 
 
-
-def main():
+def app_thread():
     app = Wordpad()
     WinForms.Application.Run(app)
     app.Dispose()
 
+
+def main():
+    thread = Thread(ThreadStart(app_thread))
+    thread.SetApartmentState(ApartmentState.STA)
+    thread.Start()
+    thread.Join()
+
+
 if __name__ == '__main__':
     main()
 
