XAML-Map-Control/MapControl/WPF/TileImageLoader.WPF.cs

// XAML Map Control - https://github.com/ClemensFischer/XAML-Map-Control
// Copyright © 2024 Clemens Fischer
// Licensed under the Microsoft Public License (Ms-PL)

using System;
using System.IO;
using System.Threading.Tasks;
using System.Windows.Media;

namespace MapControl
{
    public partial class TileImageLoader
    {
        /// <summary>
        /// Default folder where the Cache instance may save data, i.e. "C:\ProgramData\MapControl\TileCache".
        /// </summary>
        public static string DefaultCacheFolder =>
            Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "MapControl", "TileCache");


        private static async Task LoadTileAsync(Tile tile, Func<Task<ImageSource>> loadImageFunc)
        {
            var image = await loadImageFunc().ConfigureAwait(false);

            await tile.Image.Dispatcher.InvokeAsync(() => tile.SetImageSource(image));
        }
    }
}