diff --git a/ExtendedWPFToolkitSolution/ExtendedWPFToolkit.sln b/ExtendedWPFToolkitSolution/ExtendedWPFToolkit.sln
index ffc559c3..c062fd05 100644
--- a/ExtendedWPFToolkitSolution/ExtendedWPFToolkit.sln
+++ b/ExtendedWPFToolkitSolution/ExtendedWPFToolkit.sln
@@ -5,11 +5,9 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPFToolkit.Extended", "Src\
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPFToolkit.Extended.Samples", "Src\WPFToolkit.Extended.Samples\WPFToolkit.Extended.Samples.csproj", "{47B3F3DF-FAB7-4D0A-9267-109D30BF387F}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPFToolkit.Extended.Design", "Src\WPFToolkit.Extended.Design\WPFToolkit.Extended.Design.csproj", "{FA6645C6-7CA5-427C-91F2-916D9FECD76C}"
-EndProject
 Global
 	GlobalSection(TeamFoundationVersionControl) = preSolution
-		SccNumberOfProjects = 4
+		SccNumberOfProjects = 3
 		SccEnterpriseProvider = {4CA58AB2-18FA-4F8D-95D4-32DDF27D184C}
 		SccTeamFoundationServer = https://tfs.codeplex.com/tfs/tfs02
 		SccLocalPath0 = .
@@ -19,9 +17,6 @@ Global
 		SccProjectUniqueName2 = Src\\WPFToolkit.Extended.Samples\\WPFToolkit.Extended.Samples.csproj
 		SccProjectName2 = Src/WPFToolkit.Extended.Samples
 		SccLocalPath2 = Src\\WPFToolkit.Extended.Samples
-		SccProjectUniqueName3 = Src\\WPFToolkit.Extended.Design\\WPFToolkit.Extended.Design.csproj
-		SccProjectName3 = Src/WPFToolkit.Extended.Design
-		SccLocalPath3 = Src\\WPFToolkit.Extended.Design
 	EndGlobalSection
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -52,16 +47,6 @@ Global
 		{47B3F3DF-FAB7-4D0A-9267-109D30BF387F}.Release|Mixed Platforms.Build.0 = Release|x86
 		{47B3F3DF-FAB7-4D0A-9267-109D30BF387F}.Release|x86.ActiveCfg = Release|x86
 		{47B3F3DF-FAB7-4D0A-9267-109D30BF387F}.Release|x86.Build.0 = Release|x86
-		{FA6645C6-7CA5-427C-91F2-916D9FECD76C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{FA6645C6-7CA5-427C-91F2-916D9FECD76C}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{FA6645C6-7CA5-427C-91F2-916D9FECD76C}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
-		{FA6645C6-7CA5-427C-91F2-916D9FECD76C}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
-		{FA6645C6-7CA5-427C-91F2-916D9FECD76C}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{FA6645C6-7CA5-427C-91F2-916D9FECD76C}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{FA6645C6-7CA5-427C-91F2-916D9FECD76C}.Release|Any CPU.Build.0 = Release|Any CPU
-		{FA6645C6-7CA5-427C-91F2-916D9FECD76C}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
-		{FA6645C6-7CA5-427C-91F2-916D9FECD76C}.Release|Mixed Platforms.Build.0 = Release|Any CPU
-		{FA6645C6-7CA5-427C-91F2-916D9FECD76C}.Release|x86.ActiveCfg = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/Properties/AssemblyInfo.cs b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/Properties/AssemblyInfo.cs
index 8d039b94..70ce5a49 100644
--- a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/Properties/AssemblyInfo.cs
+++ b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/Properties/AssemblyInfo.cs
@@ -55,8 +55,8 @@ using System.Windows.Markup;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.3.0.0")]
-[assembly: AssemblyFileVersion("1.3.0.0")]
+[assembly: AssemblyVersion("1.4.0.0")]
+[assembly: AssemblyFileVersion("1.4.0.0")]
 
 [assembly: XmlnsPrefix("http://schemas.microsoft.com/winfx/2006/xaml/presentation/toolkit/extended", "extToolkit")]
 [assembly: XmlnsDefinition("http://schemas.microsoft.com/winfx/2006/xaml/presentation/toolkit/extended", "Microsoft.Windows.Controls")]
diff --git a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/WPFToolkit.Extended.csproj b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/WPFToolkit.Extended.csproj
index e609154f..7fac01eb 100644
--- a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/WPFToolkit.Extended.csproj
+++ b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/WPFToolkit.Extended.csproj
@@ -37,6 +37,12 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>sn.pfx</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Data" />
@@ -178,6 +184,7 @@
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
     </None>
     <AppDesigner Include="Properties\" />
+    <None Include="sn.pfx" />
   </ItemGroup>
   <ItemGroup>
     <Resource Include="MessageBox\Icons\Error48.png" />
diff --git a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/sn.pfx b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/sn.pfx
new file mode 100644
index 00000000..0f441ed9
Binary files /dev/null and b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/sn.pfx differ