App.xaml

<Application x:Class="KoalaVPN.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:KoalaVPN"
             xmlns:view="clr-namespace:KoalaVPN.MVVM.View"
             xmlns:vms="clr-namespace:KoalaVPN.MVVM.ViewModel"
             StartupUri="MVVM/View/MainWindow.xaml">
    <Application.Resources>
         <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
            <!--Themes-->
                <ResourceDictionary Source="/Themes/TitleBarButton.Nord.xaml"/>
                <ResourceDictionary Source="/Themes/MenuBarButton.Nord.xaml"/>
                <ResourceDictionary Source="/Themes/ConnectButton.Nord.xaml"/>
                <ResourceDictionary Source="/Themes/ServerListTheme.Nord.xaml"/>
            </ResourceDictionary.MergedDictionaries>
            <DataTemplate DataType="{x:Type vms:ProtectionViewModel}">
                <view:ProtectionView/>
            </DataTemplate>
             <DataTemplate DataType="{x:Type vms:SettingsViewModel}">
                <view:SettingsView/>
            </DataTemplate>
         </ResourceDictionary>
    </Application.Resources>
</Application>