SunlightAggregationTerminal/App.xaml.cs

using Microsoft.Extensions.DependencyInjection;
using SunlightAggregationTerminal.Models;

namespace SunlightAggregationTerminal
{
    public partial class App : Application
    {
        public static DataModel GlobalData { get; set;} = new DataModel();
        public App()
        {
            InitializeComponent();
        }

        protected override Window CreateWindow(IActivationState? activationState)
        {
            return new Window(new AppShell());
        }
    }
}