App.xaml

<Application x:Class="PingApp.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:views="clr-namespace:PingApp.Views"
             xmlns:viewmodels="clr-namespace:PingApp.ViewModels">
    <Application.Resources>
        <ResourceDictionary>
            
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="pack://application:,,,/Fluent;component/Themes/Generic.xaml"/>
                <ResourceDictionary Source="/Styles/LogItems.xaml"/>
            </ResourceDictionary.MergedDictionaries>
            
            <DataTemplate DataType="{x:Type viewmodels:DeviceListViewModel}">
                <views:DeviceListView/>
            </DataTemplate>
            <DataTemplate DataType="{x:Type viewmodels:LoggsViewModel}">
                <views:LoggsView/>
            </DataTemplate>
            <DataTemplate DataType="{x:Type viewmodels:StatusBarViewModel}">
                <views:StatusBarView/>
            </DataTemplate>
            <DataTemplate DataType="{x:Type viewmodels:ConfigViewModel}">
                <views:ConfigView/>
            </DataTemplate>

        </ResourceDictionary>
    </Application.Resources>
</Application>