Custom Editfield 1.7.4 flickers badly on Windows

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Open the project in Xojo on Windows
2. Run the app
3. Use the scrollbars

Up to version 1.7.4 no flickering was visible

Original issue reported on code.google.com by [email protected] on 14 Oct 2013 at 8:44

[GoogleCodeExporter]

change self.Invalidate() to self.Invalidate(false) in methods redrawThreadSafe 
and redrawNow

Original comment by [email protected] on 23 Jan 2014 at 10:24

[einhugur]

This issue is probably gone now, it seems fine on 2018r2