assets/samples/Samples/InCanvasControlAPI/CS/ResourceProvider.cs

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// (C) Copyright 2003-2020 by Autodesk, Inc. All rights reserved.
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// Permission to use, copy, modify, and distribute this software in
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using System.IO;
using System.Reflection;

namespace Revit.SDK.Samples.InCanvasControlAPI.CS
{
   /// <summary>
   /// Provider for string resources
   /// </summary>
   public class ResourceProvider
   {
      #region Class implementation

      private ResourceProvider()
      {
         issueImage = new FileInfo(Assembly.GetExecutingAssembly().Location).DirectoryName + "\\issue.bmp";
         selectedIssueImage = new FileInfo(Assembly.GetExecutingAssembly().Location).DirectoryName + "\\selected.bmp";
      }

      /// <summary>
      /// Gets the string resource provider
      /// </summary>
      /// <returns>Instance of the provider</returns>
      public static ResourceProvider GetInstance()
      {
         if (provider == null)
         {
            provider = new ResourceProvider();
         }
         return provider;
      }

      /// <summary>
      /// Path to marker's bitmap for unselected issues
      /// </summary>
      public string IssueImage { get => issueImage; }

      /// <summary>
      /// Path to marker's bitmap for selected issues
      /// </summary>
      public string SelectedIssueImage { get => selectedIssueImage; }

      #endregion

      #region Class member variables

      private string issueImage;
      private string selectedIssueImage;
      private static ResourceProvider provider;

      #endregion
   }
}