WebPage.ImplicitInstance
From Xojo Documentation
Design Property (as Boolean)
When True, you can refer to a web page by its name because an instance is created for you automatically. When False, you have to create an instance yourself using New. The default is True.
Example
With implicitInstance = True, you can show a web page by referring to it using its name:
WebPage1.Show
With ImplicitInstance = False, you have to create a new instance first: