I am trying to create view containing collection of items with with specified Row, RowSpan, Coulumn and ColumnSpan properties in RadTileView. So far I've created VM ParamsEditionViewModel containing observable collection of BindableProfileData, which wraps
To make possible settings custom tiles size I used MultipleRowsAndColumnsPanel provided by You in one of RadGridView developers examples (link).
Whole view looks like this:
The problem is that the view don't appears when I load collection to VM after button click. When I remove this block
The view appears but of course not if a expected format. When I paste ItemsPanel block when app is running with (Edit and Continue mode in VS), view looks just how it should be. So I have two questions. How to fix this issue and second how can I uprgrade view to load different data templates if VM observable collection contains different objects inheritating from base BindableProfileData.