PKHeX/PKHeX.WinForms/Misc/SplashScreen.cs

using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace PKHeX.WinForms
{
    public partial class SplashScreen : Form
    {
        public SplashScreen()
        {
            InitializeComponent();
            new Task(() =>
            {
                while (!Main.IsInitialized)
                    Thread.Sleep(50);

                Invoke((MethodInvoker)Close);
            }).Start();
        }
    }
}