This was inspired by a discussion on the cw-chat skype group. The default values for control in the Clarion window designer are not always the best but they are locked up in the DLLs with no way to configure the properties.
Edit: I have put an example project on GitHub - https://github.com/fushnisoft/CustomClarionIDEControls
However, it looks like it is possible to create custom versions and have them appear in the designer!
Create a custom control like this:
Put it in the right place and then you can see it in the toolbox:
aaaaand go!