diff --git a/src/Core_30/HandyControlDemo_Core_30/HandyControlDemo_Core30.csproj b/src/Core_30/HandyControlDemo_Core_30/HandyControlDemo_Core30.csproj
index f4e0039c..0fc398af 100644
--- a/src/Core_30/HandyControlDemo_Core_30/HandyControlDemo_Core30.csproj
+++ b/src/Core_30/HandyControlDemo_Core_30/HandyControlDemo_Core30.csproj
@@ -7,6 +7,7 @@
     <RootNamespace>HandyControlDemo</RootNamespace>
     <Version>1.5.5</Version>
     <ApplicationIcon>..\..\Shared\HandyControlDemo_Shared\Resources\Img\icon.ico</ApplicationIcon>
+    <Configurations>Debug;Release</Configurations>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
     <DefineConstants>TRACE;Core</DefineConstants>
diff --git a/src/Core_30/HandyControl_Core_30/HandyControl_Core_30.csproj b/src/Core_30/HandyControl_Core_30/HandyControl_Core_30.csproj
index 0afdeaa1..9d2421a4 100644
--- a/src/Core_30/HandyControl_Core_30/HandyControl_Core_30.csproj
+++ b/src/Core_30/HandyControl_Core_30/HandyControl_Core_30.csproj
@@ -10,6 +10,7 @@
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
     <Copyright>Copyright © HandyOrg 2018-2019</Copyright>
     <Description>Contains some commonly used simple WPF controls</Description>
+    <Configurations>Debug;Release</Configurations>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
     <DefineConstants>TRACE;Core</DefineConstants>
diff --git a/src/HandyControl.sln b/src/HandyControl.sln
new file mode 100644
index 00000000..be1e539b
--- /dev/null
+++ b/src/HandyControl.sln
@@ -0,0 +1,199 @@
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diff --git a/src/Net_GE45/HandyControlDemo_Net_GE45/HandyControlDemo_Net_GE45.csproj b/src/Net_GE45/HandyControlDemo_Net_GE45/HandyControlDemo_Net_GE45.csproj
index 997bce75..b301587b 100644
--- a/src/Net_GE45/HandyControlDemo_Net_GE45/HandyControlDemo_Net_GE45.csproj
+++ b/src/Net_GE45/HandyControlDemo_Net_GE45/HandyControlDemo_Net_GE45.csproj
@@ -16,17 +16,6 @@
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