Has there been a change in how .graphics works?
This used to work but now it doesn't:
You can't draw into a graphics object for a
Canvas as of 2018r3. You may only draw in the
Paint event, using the
Graphics context provided. What this has revealed is a flaw in the original code.
In this instance here, you can simply change
Graphics context provided in the
I've create a doc topic for this since it has been coming up fairly often: