VirtualPathProvider for retriving the image not working.

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ASP.NET

MVC3

here is the code please help.. actually my motto is to display the image placed in other physical drive than the application. but I tried for the first time by placing the image in a folder named Virtual ,under the application root.but it also not working..

help plz.

-- VirtualFile.cs --

[AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]

[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level =AspNetHostingPermissionLevel.Minimal)]

public class MyVirtualFile : System.Web.Hosting.VirtualFile

{
      private byte[] _content;

      private MyVirtualPathProvider _provider;

      public MyVirtualFile(string virtualPath, MyVirtualPathProvider provider) : base(virtualPath)

      {
            this._provider = provider;

            if (VirtualPathUtility.GetExtension(virtualPath).ToLower() == ".jpg")
            {
               _content =  File.ReadAllBytes(HttpContext.Current.Server.MapPath("~/Picture.jpg"));

            else
            {
               _content = System.Text.ASCIIEncoding.ASCII.GetBytes("Other Content");

            }
      }
    public override Stream Open()

      {

            MemoryStream stream = new MemoryStream(_content);

            stream.Seek(0, SeekOrigin.Begin);

            return stream;

      }

}

-- VirtualDirectory.cs --

[AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]

[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level =AspNetHostingPermissionLevel.Minimal)]

public class MyVirtualDirectory : System.Web.Hosting.VirtualDirectory

{

      private List<virtualfile> _files = new List<virtualfile>();

      private List<virtualdirectory> _directories = new List<virtualdirectory>();

      private ArrayList _children = new ArrayList();

 

      public MyVirtualDirectory(string virtualDir, MyVirtualPathProvider provider) : base(virtualDir)

      {
            _files.Add(new MyVirtualFile("~/Virtual/File3.jpg", provider));

            _files.Add(new MyVirtualFile("~/Virtual/File4.misc", provider));

            _children.AddRange(_directories);

            _children.AddRange(_files);

      }
      public override IEnumerable Children
      {
            get { return _children; }
      }
      public override IEnumerable Directories
      {
            get { return _directories; }
      }
      public override IEnumerable Files
      {
            get { return _files; }
      }
}

-- VirtualPathProvider.cs --

[AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Medium)]

[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.High)]

public class MyVirtualPathProvider : System.Web.Hosting.VirtualPathProvider

{
      public MyVirtualPathProvider() : base()
      {
      }
       protected override void Initialize()

      {
       }
      private bool IsVirtualPath(string virtualPath)
      {
            String checkPath = VirtualPathUtility.ToAppRelative(virtualPath);
            return checkPath.StartsWith("~/Virtual", StringComparison.InvariantCultureIgnoreCase);

      }

       public override bool FileExists(string virtualPath)
      {
            if (IsVirtualPath(virtualPath))
            {
                  return true;
            }
            else
                  return Previous.FileExists(virtualPath);
       }
       public override bool DirectoryExists(string virtualDir)
       {
             if (IsVirtualPath(virtualDir))
            {
                  return true;
            }
            else
                  return Previous.DirectoryExists(virtualDir);
      }

      public override System.Web.Hosting.VirtualFile GetFile(string virtualPath)
      {
            if (IsVirtualPath(virtualPath))

                  return new MyVirtualFile(virtualPath, this);

            else

                  return Previous.GetFile(virtualPath);
      }

      public override System.Web.Hosting.VirtualDirectory GetDirectory(string virtualDir)
      {
              if (IsVirtualPath(virtualDir))

                     return new MyVirtualDirectory(virtualDir, this);

               else

                     return Previous.GetDirectory(virtualDir);
      }
      public override CacheDependency GetCacheDependency(string virtualPath,                                                                    System.Collections.IEnumerable virtualPathDependencies,DateTime utcStart)
      {
           return null;
      }
} 

in web.config
----------------
<httpHandlers>
 <add path="*" verb="GET,HEAD,POST" type="System.Web.StaticFileHandler" validate="true" />
</httpHandlers>