diff --git a/src/Core_GE30/HandyControlDemo_Core_GE30/HandyControlDemo_Core_GE30.csproj b/src/Core_GE30/HandyControlDemo_Core_GE30/HandyControlDemo_Core_GE30.csproj
index a599d3eb..1d10752a 100644
--- a/src/Core_GE30/HandyControlDemo_Core_GE30/HandyControlDemo_Core_GE30.csproj
+++ b/src/Core_GE30/HandyControlDemo_Core_GE30/HandyControlDemo_Core_GE30.csproj
@@ -16,6 +16,8 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug-Core30|AnyCPU'">
     <DefineConstants>TRACE;Core</DefineConstants>
     <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+    <NoWarn>NU1701;0108</NoWarn>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug-Core31|AnyCPU'">
     <DefineConstants>TRACE;Core</DefineConstants>
@@ -28,6 +30,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release-Core31|AnyCPU'">
     <DefineConstants>TRACE;Core</DefineConstants>
     <TargetFramework>netcoreapp3.1</TargetFramework>
+    <NoWarn>0108;NU1701</NoWarn>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="AvalonEdit" Version="6.0.1" />
diff --git a/src/Core_GE30/HandyControl_Core_GE30/HandyControl_Core_GE30.csproj b/src/Core_GE30/HandyControl_Core_GE30/HandyControl_Core_GE30.csproj
index 45888db9..0b34b694 100644
--- a/src/Core_GE30/HandyControl_Core_GE30/HandyControl_Core_GE30.csproj
+++ b/src/Core_GE30/HandyControl_Core_GE30/HandyControl_Core_GE30.csproj
@@ -16,6 +16,9 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug-Core30|AnyCPU'">
     <DefineConstants>TRACE;Core</DefineConstants>
     <TargetFramework>netcoreapp3.0</TargetFramework>
+    <NoWarn>0067;0649</NoWarn>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+    <WarningsAsErrors></WarningsAsErrors>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug-Core31|AnyCPU'">
     <DefineConstants>TRACE;Core</DefineConstants>
@@ -30,6 +33,7 @@
     <DefineConstants>TRACE;Core</DefineConstants>
     <TargetFramework>netcoreapp3.1</TargetFramework>
     <DocumentationFile>C:\Code\GitHub\HandyControl\src\Core_GE30\HandyControl_Core_GE30\HandyControl.xml</DocumentationFile>
+    <NoWarn>0067;0649;1591</NoWarn>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="..\..\Shared\HandyControl_Shared\Properties\Langs\Lang.Designer.cs">
diff --git a/src/Net_40/HandyControlDemo_Net_40/HandyControlDemo_Net_40.csproj b/src/Net_40/HandyControlDemo_Net_40/HandyControlDemo_Net_40.csproj
index 0efba4ca..043fcf20 100644
--- a/src/Net_40/HandyControlDemo_Net_40/HandyControlDemo_Net_40.csproj
+++ b/src/Net_40/HandyControlDemo_Net_40/HandyControlDemo_Net_40.csproj
@@ -38,6 +38,7 @@
     <WarningLevel>4</WarningLevel>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <LangVersion>8.0</LangVersion>
+    <NoWarn>0108</NoWarn>
   </PropertyGroup>
   <PropertyGroup>
     <ApplicationIcon>..\..\Shared\HandyControlDemo_Shared\Resources\Img\icon.ico</ApplicationIcon>
diff --git a/src/Net_40/HandyControl_Net_40/HandyControl_Net_40.csproj b/src/Net_40/HandyControl_Net_40/HandyControl_Net_40.csproj
index a71f121d..59cc3233 100644
--- a/src/Net_40/HandyControl_Net_40/HandyControl_Net_40.csproj
+++ b/src/Net_40/HandyControl_Net_40/HandyControl_Net_40.csproj
@@ -35,6 +35,7 @@
     <DocumentationFile>bin\Release\HandyControl.xml</DocumentationFile>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <LangVersion>8.0</LangVersion>
+    <NoWarn>0067;0649;1591</NoWarn>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="..\..\Shared\HandyControl_Shared\Properties\NetAssemblyInfo.cs">
@@ -182,11 +183,11 @@
   <Import Project="..\..\Shared\HandyControl_Shared\HandyControl_Shared.projitems" Label="Shared" />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
-    <Page Remove="..\..\Shared\HandyControl_Shared\Themes\Styles\Base\ComboBoxBaseStyle.xaml"/>
-    <Page Remove="..\..\Shared\HandyControl_Shared\Themes\Styles\Base\TreeViewBaseStyle.xaml"/>
-    <Page Remove="..\..\Shared\HandyControl_Shared\Themes\Styles\DataGrid.xaml"/>
-    <Page Remove="..\..\Shared\HandyControl_Shared\Themes\Styles\ListView.xaml"/>
-    <Page Remove="..\..\Shared\HandyControl_Shared\Themes\Styles\MessageBox.xaml"/>
-    <Page Remove="..\..\Shared\HandyControl_Shared\Themes\Styles\Window.xaml"/>
+    <Page Remove="..\..\Shared\HandyControl_Shared\Themes\Styles\Base\ComboBoxBaseStyle.xaml" />
+    <Page Remove="..\..\Shared\HandyControl_Shared\Themes\Styles\Base\TreeViewBaseStyle.xaml" />
+    <Page Remove="..\..\Shared\HandyControl_Shared\Themes\Styles\DataGrid.xaml" />
+    <Page Remove="..\..\Shared\HandyControl_Shared\Themes\Styles\ListView.xaml" />
+    <Page Remove="..\..\Shared\HandyControl_Shared\Themes\Styles\MessageBox.xaml" />
+    <Page Remove="..\..\Shared\HandyControl_Shared\Themes\Styles\Window.xaml" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/Net_GE45/HandyControlDemo_Net_GE45/HandyControlDemo_Net_GE45.csproj b/src/Net_GE45/HandyControlDemo_Net_GE45/HandyControlDemo_Net_GE45.csproj
index 0dae1c8d..b099e11f 100644
--- a/src/Net_GE45/HandyControlDemo_Net_GE45/HandyControlDemo_Net_GE45.csproj
+++ b/src/Net_GE45/HandyControlDemo_Net_GE45/HandyControlDemo_Net_GE45.csproj
@@ -75,6 +75,7 @@
     <WarningLevel>4</WarningLevel>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <LangVersion>8.0</LangVersion>
+    <NoWarn>0108</NoWarn>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release-Net462|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
diff --git a/src/Net_GE45/HandyControl_Net_GE45/HandyControl_Net_GE45.csproj b/src/Net_GE45/HandyControl_Net_GE45/HandyControl_Net_GE45.csproj
index f540f5dc..e80561d9 100644
--- a/src/Net_GE45/HandyControl_Net_GE45/HandyControl_Net_GE45.csproj
+++ b/src/Net_GE45/HandyControl_Net_GE45/HandyControl_Net_GE45.csproj
@@ -74,6 +74,7 @@
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <netVersion>netgt40</netVersion>
     <LangVersion>8.0</LangVersion>
+    <NoWarn>0067;0649;1591</NoWarn>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release-Net462|AnyCPU' ">
     <DebugType>pdbonly</DebugType>