diff --git a/ConsoleAppReact/ConsoleAppReact/ConsoleAppReact.csproj b/ConsoleAppReact/ConsoleAppReact/ConsoleAppReact.csproj
index 1839e62..379cff8 100644
--- a/ConsoleAppReact/ConsoleAppReact/ConsoleAppReact.csproj
+++ b/ConsoleAppReact/ConsoleAppReact/ConsoleAppReact.csproj
@@ -35,19 +35,36 @@
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Reactive, Version=4.1.0.0, Culture=neutral, PublicKeyToken=94bc3704cddfc263, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Reactive.4.1.5\lib\net46\System.Reactive.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.4.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.4.5.2\lib\netstandard2.0\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.2\lib\netstandard2.0\System.Threading.Tasks.Extensions.dll</HintPath>
+    </Reference>
+    <Reference Include="System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.ValueTuple.4.5.0\lib\net47\System.ValueTuple.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Windows" />
+    <Reference Include="System.Windows.Forms" />
     <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="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="SampleEventArgs.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="App.config" />
+    <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/ConsoleAppReact/ConsoleAppReact/Program.cs b/ConsoleAppReact/ConsoleAppReact/Program.cs
index 78e43b8..e5faac9 100644
--- a/ConsoleAppReact/ConsoleAppReact/Program.cs
+++ b/ConsoleAppReact/ConsoleAppReact/Program.cs
@@ -1,7 +1,10 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Reactive.Linq;
+using System.Reactive.Subjects;
 using System.Text;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace ConsoleAppReact
@@ -10,6 +13,57 @@ namespace ConsoleAppReact
     {
         static void Main(string[] args)
         {
+            /*
+            var calc = new Calc();
+            calc.Subject.Subscribe((i) => { Console.WriteLine("RX: " + i); });
+            calc.Subject.Throttle(TimeSpan.FromSeconds(10)).Subscribe((i) => { Console.WriteLine("RX (Throttle): " + i); });
+            calc.add(1, 5);
+            */
+
+            var d = new DoIt();
+
+            /*
+            d.DoIt2(1,2).Subscribe((i) =>
+                { Console.WriteLine("RX (doit2): " + i); });
+*/
+
+            d.DoIt2(1, 2).Sample(TimeSpan.Zero).Subscribe((i) =>
+                { Console.WriteLine("RX (doit2, Sample): " + i); });
+
+            Console.Read();
         }
     }
-}
+
+    public class DoIt
+    {
+
+        public IObservable<int> DoIt2(int i1, int i2)
+        {
+            var calc = new Calc();
+            calc.add(1, 5);
+
+            return calc.Subject;
+
+        }
+
+
+    }
+
+    public class Calc
+    {
+        //public Subject<int> Subject = new Subject<int>();
+
+        public ReplaySubject<int> Subject = new ReplaySubject<int>();
+
+        public void add(int i1, int i2)
+        {
+            int res = 0;
+
+            for (int i = 0; i < 1000; i++)
+            {
+                res += i1 + i2;
+                Subject.OnNext(res);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/ConsoleAppReact/ConsoleAppReact/SampleEventArgs.cs b/ConsoleAppReact/ConsoleAppReact/SampleEventArgs.cs
new file mode 100644
index 0000000..53545e9
--- /dev/null
+++ b/ConsoleAppReact/ConsoleAppReact/SampleEventArgs.cs
@@ -0,0 +1,6 @@
+namespace ConsoleAppReact
+{
+    public class SampleEventArgs
+    {
+    }
+}
\ No newline at end of file
diff --git a/ConsoleAppReact/ConsoleAppReact/packages.config b/ConsoleAppReact/ConsoleAppReact/packages.config
new file mode 100644
index 0000000..4de8e1b
--- /dev/null
+++ b/ConsoleAppReact/ConsoleAppReact/packages.config
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="System.Reactive" version="4.1.5" targetFramework="net472" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="4.5.2" targetFramework="net472" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.2" targetFramework="net472" />
+  <package id="System.ValueTuple" version="4.5.0" targetFramework="net472" />
+</packages>
\ No newline at end of file