GMap.NET.Core/GMap.NET.MapProviders/YahooHybridMapProvider.cs

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namespace GMap.NET.MapProviders
{
   using System;

   /// <summary>
   /// YahooHybridMap provider
   /// </summary>
   public class YahooHybridMapProvider : YahooMapProviderBase
   {
      public static readonly YahooHybridMapProvider Instance;

      YahooHybridMapProvider()
      {
      }

      static YahooHybridMapProvider()
      {
         Instance = new YahooHybridMapProvider();
      }

      public string Version = "4.3";

      #region GMapProvider Members

      readonly Guid id = new Guid("A084E0DB-F9A6-45C1-BC2F-791E1F4E958E");
      public override Guid Id
      {
         get
         {
            return id;
         }
      }

      readonly string name = "YahooHybridMap";
      public override string Name
      {
         get
         {
            return name;
         }
      }

      GMapProvider[] overlays;
      public override GMapProvider[] Overlays
      {
         get
         {
            if(overlays == null)
            {
               overlays = new GMapProvider[] { YahooSatelliteMapProvider.Instance, this };
            }
            return overlays;
         }
      }

      public override PureImage GetTileImage(GPoint pos, int zoom)
      {
         string url = MakeTileImageUrl(pos, zoom, LanguageStr);