Loading.xaml

<Window
    x:Class="ITATKWinUI.Loading"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:ITATKWinUI"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">

    <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
        <TextBlock Text="Loading..." Width="150" TextAlignment="Center"/>
        <ProgressBar Name="LoadingProgressBar" Width="150" IsIndeterminate="True" ShowPaused="False" ShowError="False" />
    </StackPanel>
</Window>