Display Properties

There are three properties which affect whether a widget is displayed or not:

1. display
2. visibility
3. opacity

Display

The display property determines whether or not a widget is included within both layout and rendering. The display property can be set to either none (Display::None), or flex (Display::Flex) which is the default. If the display property is set to none then the widget will not be included in layout and will not be rendered.

Visibility

The visibility property affects only whether a widget will be included during rendering. Unlike display, the visibility of a widget does not affect layout. The visibility property can be set to either visible (Visibility::Visible), the default, or `