<local:MainViewModel 
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"       
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:NotizieTL" 
    SampleProperty="Sample Text Property Value">
    
    <local:MainViewModel.Items>
        <local:ItemViewModel LineOne="design one" LineTwo="Maecenas praesent accumsan bibendum" LineThree="Maecenas praesent accumsan bibendum dictumst eleifend facilisi faucibus habitant inceptos interdum lobortis nascetur"/>
        <local:ItemViewModel LineOne="design two" LineTwo="Dictumst eleifend facilisi faucibus" LineThree="Pharetra placerat pulvinar sagittis senectus sociosqu suscipit torquent ultrices vehicula volutpat maecenas praesent"/>
        <local:ItemViewModel LineOne="design three" LineTwo="Habitant inceptos interdum lobortis" LineThree="Accumsan bibendum dictumst eleifend facilisi faucibus habitant inceptos interdum lobortis nascetur pharetra placerat"/>
        <local:ItemViewModel LineOne="design four" LineTwo="Nascetur pharetra placerat pulvinar" LineThree="Pulvinar sagittis senectus sociosqu suscipit torquent ultrices vehicula volutpat maecenas praesent accumsan bibendum"/>
        <local:ItemViewModel LineOne="design five" LineTwo="Sagittis senectus sociosqu suscipit" LineThree="Dictumst eleifend facilisi faucibus habitant inceptos interdum lobortis nascetur pharetra placerat pulvinar sagittis"/>
        <local:ItemViewModel LineOne="design six" LineTwo="Torquent ultrices vehicula volutpat" LineThree="Senectus sociosqu suscipit torquent ultrices vehicula volutpat maecenas praesent accumsan bibendum dictumst eleifend"/>
    </local:MainViewModel.Items>
    
</local:MainViewModel>