Assembly: PresentationFramework (in PresentationFramework.dll)
The FixedPage when:property returns a
Theproperty returns null when:
The FixedPage is set by the Source property (when specified by the Source property, the FixedPage is not cached). Use GetPageRoot or GetPageRootAsync to return the FixedPage when set by the Source property.
You cannot use this property in XAML.
Available since 3.0