diff --git a/MBS.Framework.CLI/MBS.Framework.CLI.csproj b/MBS.Framework.CLI/MBS.Framework.CLI.csproj
index fe9817f..b06efbe 100644
--- a/MBS.Framework.CLI/MBS.Framework.CLI.csproj
+++ b/MBS.Framework.CLI/MBS.Framework.CLI.csproj
@@ -7,7 +7,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>MBS.Framework.Console</RootNamespace>
     <AssemblyName>MBS.Framework.CLI</AssemblyName>
-    <ReleaseVersion>4.0.2019.12</ReleaseVersion>
+    <ReleaseVersion>1.0.*</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -43,4 +43,4 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
-</Project>
+</Project>
diff --git a/MBS.Framework/MBS.Framework.csproj b/MBS.Framework/MBS.Framework.csproj
index 9d6d295..8c486cb 100644
--- a/MBS.Framework/MBS.Framework.csproj
+++ b/MBS.Framework/MBS.Framework.csproj
@@ -11,7 +11,7 @@
     <SchemaVersion>2.0</SchemaVersion>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>..\..\Production.snk</AssemblyOriginatorKeyFile>
-    <ReleaseVersion>4.0.2021.01</ReleaseVersion>
+    <ReleaseVersion>4.0.2021.12</ReleaseVersion>
     <SynchReleaseVersion>false</SynchReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
@@ -127,6 +127,7 @@
     <Compile Include="EventFilter.cs" />
     <Compile Include="EventFilterType.cs" />
     <Compile Include="EventFilterDelegate.cs" />
+    <Compile Include="NativeHandle.cs" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Logic\" />
diff --git a/MBS.Framework/NativeHandle.cs b/MBS.Framework/NativeHandle.cs
new file mode 100644
index 0000000..e0b9081
--- /dev/null
+++ b/MBS.Framework/NativeHandle.cs
@@ -0,0 +1,47 @@
+using System;
+namespace MBS.Framework
+{
+	public class NativeHandle
+	{
+	}
+	public class NativeHandle<THandle> : NativeHandle
+	{
+		public THandle Handle { get; private set; }
+
+		public NativeHandle(THandle handle)
+		{
+			Handle = handle;
+		}
+
+		public override int GetHashCode()
+		{
+			return Handle.GetHashCode();
+		}
+		public override bool Equals(object obj)
+		{
+			if ((object)obj == null && (object)this == null)
+				return true;
+			if ((object)obj == null || (object)this == null)
+				return false;
+
+			if (obj is NativeHandle<THandle>)
+				return Equals(obj as NativeHandle<THandle>);
+
+			return false;
+		}
+
+		public static bool operator ==(NativeHandle<THandle> left, NativeHandle<THandle> right)
+		{
+			if ((object)left == null && (object)right == null)
+				return true;
+			if ((object)left == null || (object)right == null)
+				return false;
+
+			return left.Equals(right);
+		}
+		public static bool operator !=(NativeHandle<THandle> left, NativeHandle<THandle> right)
+		{
+			return !left.Equals(right);
+		}
+	}
+}