App.xaml

<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:windows="clr-namespace:Microsoft.Maui.Controls.PlatformConfiguration.WindowsSpecific;assembly=Microsoft.Maui.Controls"
             x:Class="Microsoft.NetConf2021.Maui.App"
             xmlns:converters="clr-namespace:Microsoft.NetConf2021.Maui.Converters">
    <Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary Source="Resources/Styles/DefaultTheme.xaml"/>
            <converters:IsNullConverter x:Key="IsNullConverter"/>
            <converters:DurationConverter x:Key="DurationConverter" />
        </ResourceDictionary>
    </Application.Resources>
</Application>