Hello Bruno,
Preserving complex UI elements within InlineUIContainers during export-import round-trip is not always possible. Please refer to Iva's answer in
this forum thread, where she reveals about our plans to introduce XamlExportSettings allowing more control over the XAML export process.
All the best,
Boby
the Telerik team
Explore the entire Telerik portfolio by downloading the Ultimate Collection trial package. Get it now >>