Quote Originally Posted by droneone View Post
Ahh, I am using the designer inside of Creator 2.4.1, and it doesn't have a 'promote to', as far as I can see when right-clicking a blank form - but instead, when I click on any widget on the right (in the list of widgets, including the top-level one), it has a "Promoted Widgets" option, which once opened, allows one to manually define a new promoted class by simply choosing the base class, typing the promoted class name, and specifying the header file. This appears to be the same dialog I get when I click "promote to" on any widget included in a form.
This dialog does not allow you to PROMOTE the top-level widget, only provides a way to define mappings for promotions (the "Promote" button is greyed out).