diff --git a/ImageHandlingLibrary/Filing.cs b/ImageHandlingLibrary/Filing.cs
index 1dbe12b..dce2329 100644
--- a/ImageHandlingLibrary/Filing.cs
+++ b/ImageHandlingLibrary/Filing.cs
@@ -1,13 +1,33 @@
-using System;
+using ImageHandlingLibrary.InterFaces;
+using System;
 using System.Collections.Generic;
+using System.Drawing.Imaging;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows.Media.Imaging;
 
 namespace ImageHandlingLibrary
 {
-    public class Filing
+    public class Filing : IFiling
     {
-        
+        public BitmapImage ConvertFromDrawImage(System.Drawing.Image _image)
+        {
+            using (var ms = new MemoryStream())
+            {
+                //System.Drawing.Image.FromFile(@"D:\CsharpDevelop\PictureHandlingProject\pictures\AgueroVillage.JPG").Save(ms, ImageFormat.Bmp);
+                _image.Save(ms, ImageFormat.Bmp);
+                ms.Seek(0, SeekOrigin.Begin);
+
+                var bitmapImage = new BitmapImage();
+                bitmapImage.BeginInit();
+                bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
+                bitmapImage.StreamSource = ms;
+                bitmapImage.EndInit();
+
+                return bitmapImage;
+            }
+        }
     }
 }
diff --git a/ImageHandlingLibrary/ImageHandlingLibrary.csproj b/ImageHandlingLibrary/ImageHandlingLibrary.csproj
index 7a03a1c..8294199 100644
--- a/ImageHandlingLibrary/ImageHandlingLibrary.csproj
+++ b/ImageHandlingLibrary/ImageHandlingLibrary.csproj
@@ -31,17 +31,21 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="PresentationCore" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Drawing" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Xml" />
+    <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Filing.cs" />
+    <Compile Include="InterFaces\IFiling.cs" />
     <Compile Include="InterFaces\IRegistring.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Registring.cs" />
diff --git a/ImageHandlingLibrary/InterFaces/IFiling.cs b/ImageHandlingLibrary/InterFaces/IFiling.cs
new file mode 100644
index 0000000..e5b318f
--- /dev/null
+++ b/ImageHandlingLibrary/InterFaces/IFiling.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Media.Imaging;
+
+namespace ImageHandlingLibrary.InterFaces
+{
+    public interface IFiling
+    {
+        BitmapImage ConvertFromDrawImage(Image _image);
+    }
+}
diff --git a/ImageHandlingUI/Bootstrapper.cs b/ImageHandlingUI/Bootstrapper.cs
index c2072e1..5d576d3 100644
--- a/ImageHandlingUI/Bootstrapper.cs
+++ b/ImageHandlingUI/Bootstrapper.cs
@@ -1,4 +1,6 @@
 using Caliburn.Micro;
+using ImageHandlingLibrary;
+using ImageHandlingLibrary.InterFaces;
 using ImageHandlingUI.ViewModels;
 using System;
 using System.Collections.Generic;
@@ -29,12 +31,19 @@ namespace ImageHandlingUI
                 .Singleton<IWindowManager, WindowManager>()
                 .Singleton<IEventAggregator, EventAggregator>();
 
+            _container
+                .PerRequest<IRegistring, Registring>()
+                .PerRequest<IFiling, Filing>();
+
             GetType().Assembly.GetTypes()
                 .Where(type => type.IsClass)
                 .Where(type => type.Name.EndsWith("ViewModel"))
                 .ToList()
                 .ForEach(viewModelType => _container.RegisterPerRequest(
                     viewModelType, viewModelType.ToString(), viewModelType));
+
+
+
         }
         //
         // implementing SimpleContainer (dependency injection system in Caliburn micro)
diff --git a/ImageHandlingUI/ImageHandlingWPFUI.csproj b/ImageHandlingUI/ImageHandlingWPFUI.csproj
index adc12a9..707eb45 100644
--- a/ImageHandlingUI/ImageHandlingWPFUI.csproj
+++ b/ImageHandlingUI/ImageHandlingWPFUI.csproj
@@ -112,5 +112,11 @@
   <ItemGroup>
     <Folder Include="Models\" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\ImageHandlingLibrary\ImageHandlingLibrary.csproj">
+      <Project>{cf1c98b6-5093-4b93-8b14-a0278b1af724}</Project>
+      <Name>ImageHandlingLibrary</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/ImageHandlingUI/ViewModels/ShellViewModel.cs b/ImageHandlingUI/ViewModels/ShellViewModel.cs
index b74ece7..620d305 100644
--- a/ImageHandlingUI/ViewModels/ShellViewModel.cs
+++ b/ImageHandlingUI/ViewModels/ShellViewModel.cs
@@ -1,10 +1,12 @@
 using Caliburn.Micro;
+using ImageHandlingLibrary.InterFaces;
 using System;
 using System.Collections.Generic;
 using System.Drawing.Imaging;
 using System.IO;
 using System.Linq;
 using System.Text;
+using System.Threading;
 using System.Threading.Tasks;
 using System.Windows.Controls;
 using System.Windows.Media;
@@ -14,29 +16,21 @@ namespace ImageHandlingUI.ViewModels
 {
     public class ShellViewModel : Conductor<object>
     {
-        public ShellViewModel()
+        private string _rootCatalog;
+        private readonly IRegistring _registring;
+        private readonly IFiling _filing;
+        private string initialFileName;
+        ImageSource _selectedImage = null;
+
+        public ShellViewModel(IRegistring registring, IFiling filing)
         {
-            //using (var ms = new MemoryStream())
-            //{
-            //    System.Drawing.Image.FromFile(@"D:\CsharpDevelop\PictureHandlingProject\pictures\AgueroVillage.JPG").Save(ms, ImageFormat.Bmp);
-            //    ms.Seek(0, SeekOrigin.Begin);
-
-            //    var bitmapImage = new BitmapImage();
-            //    bitmapImage.BeginInit();
-            //    bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
-            //    bitmapImage.StreamSource = ms;
-            //    bitmapImage.EndInit();
-
-            //    _selectedImage = bitmapImage;
-            //}
-
-            //_selectedImage = System.Drawing.Image.FromFile(@"D:\CsharpDevelop\PictureHandlingProject\pictures\AgueroVillage.JPG");
 
             initialFileName = @"D:\CsharpDevelop\PictureHandlingProject\pictures\AgueroVillage.JPG";
-            _selectedImage = ConvertFromDrawImage(System.Drawing.Image.FromFile(InitialFileName));
+            _selectedImage = filing.ConvertFromDrawImage(System.Drawing.Image.FromFile(InitialFileName));
+            _registring = registring;
+            _filing = filing;
         }
-        ImageSource _selectedImage = null;
-        private string initialFileName;
+
 
         public ImageSource SelectedImage
         {
@@ -50,22 +44,22 @@ namespace ImageHandlingUI.ViewModels
 
         public string InitialFileName { get => initialFileName; set => initialFileName = value; }
 
-        private static BitmapImage ConvertFromDrawImage(System.Drawing.Image _image)
+
+        public string RootCatalog
         {
-            using (var ms = new MemoryStream())
-            {
-                //System.Drawing.Image.FromFile(@"D:\CsharpDevelop\PictureHandlingProject\pictures\AgueroVillage.JPG").Save(ms, ImageFormat.Bmp);
-                _image.Save(ms, ImageFormat.Bmp);
-                ms.Seek(0, SeekOrigin.Begin);
-
-                var bitmapImage = new BitmapImage();
-                bitmapImage.BeginInit();
-                bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
-                bitmapImage.StreamSource = ms;
-                bitmapImage.EndInit();
-
-                return bitmapImage;
+            get {
+                _rootCatalog = _registring.GetRegistryRootDir();
+                return _rootCatalog; 
             }
+            set
+            {
+                if (value != _rootCatalog)
+                {
+                    _registring.SetRegistryValues(value);
+                } 
+                _rootCatalog = value; }
         }
+
+        
     }
 }