A class of helpful static functions for accessing files in the Resources folder in various ways

C# Resource Accessing Static Functions

public class AssemblyResources
{
    public static bool ResourceExists(string resourceName)
    {
        return Assembly.GetExecutingAssembly().GetManifestResourceNames().Contains(GetResourcePath(resourceName));
    }

    public static string GetResourcePath(string resourceName) => $"{Assembly.GetExecutingAssembly().GetName().Name}.Resources.{resourceName}";

    public static Stream GetStream(string resourceName)
    {
        return Assembly.GetExecutingAssembly().GetManifestResourceStream(GetResourcePath(resourceName));
    }

    public static string ReadFile(string filename)
    {
        using (StreamReader sr = new StreamReader(GetStream(filename)))
            return sr.ReadToEnd();
    }
}

public class Resources
{
  public static bool ResourceExists(string filename)
  {
     try
     {
        var stream = GetStream(filename);
        return true;
     }
     catch
     {
        return false;
     }
  }
  public static bool ResourceExists(string filename, string assemblyname)
  {
     try
     {
        var stream = GetStream(filename, assemblyname);
        return true;
     }
     catch
     {
        return false;
     }
  }

  public static string GetResourcePath(string filename) => "pack://application:,,,/Resources/" + filename;
  public static string GetReferencedAssemblyResourcePath(string filename, string assemblyname) => "pack://application:,,,/" + assemblyname + ";component/Resources/" + filename;

  public static Uri GetResourceUri(string filename) => new Uri(GetResourcePath(filename));
  public static Uri GetResourceUri(string filename, string assemblyname) => new Uri(GetReferencedAssemblyResourcePath(filename, assemblyname));

  public static StreamResourceInfo GetStream(string filename)
  {
     var uri = GetResourceUri(filename);
     return System.Windows.Application.GetResourceStream(uri);
  }
  public static StreamResourceInfo GetStream(string filename, string assemblyname)
  {
     var uri = GetResourceUri(filename, assemblyname);
     return System.Windows.Application.GetResourceStream(uri);
  }

  public static string ReadFile(string filename)
  {
     using (StreamReader sr = new StreamReader(GetStream(filename).Stream))
        return sr.ReadToEnd();
  }
  public static string ReadFile(string filename, string assemblyname)
  {
     using (StreamReader sr = new StreamReader(GetStream(filename, assemblyname).Stream))
        return sr.ReadToEnd();
  }
}