diff --git a/oop/2017-12-02_delegates/2017-12-02_delegates.sln b/oop/2017-12-02_delegates/2017-12-02_delegates.sln
new file mode 100644
index 0000000..c4b4899
--- /dev/null
+++ b/oop/2017-12-02_delegates/2017-12-02_delegates.sln
@@ -0,0 +1,22 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.26430.12
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "2017-12-02_delegates", "2017-12-02_delegates\2017-12-02_delegates.csproj", "{27C9909F-B33F-4A50-AAD7-C3B8049B42C2}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Any CPU = Debug|Any CPU
+ Release|Any CPU = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {27C9909F-B33F-4A50-AAD7-C3B8049B42C2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {27C9909F-B33F-4A50-AAD7-C3B8049B42C2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {27C9909F-B33F-4A50-AAD7-C3B8049B42C2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {27C9909F-B33F-4A50-AAD7-C3B8049B42C2}.Release|Any CPU.Build.0 = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+EndGlobal
diff --git a/oop/2017-12-02_delegates/2017-12-02_delegates/2017-12-02_delegates.csproj b/oop/2017-12-02_delegates/2017-12-02_delegates/2017-12-02_delegates.csproj
new file mode 100644
index 0000000..bc1c10f
--- /dev/null
+++ b/oop/2017-12-02_delegates/2017-12-02_delegates/2017-12-02_delegates.csproj
@@ -0,0 +1,52 @@
+
+
+
+
+ Debug
+ AnyCPU
+ {27C9909F-B33F-4A50-AAD7-C3B8049B42C2}
+ Exe
+ _2017_12_02_delegates
+ 2017-12-02_delegates
+ v4.5.2
+ 512
+ true
+
+
+ AnyCPU
+ true
+ full
+ false
+ bin\Debug\
+ DEBUG;TRACE
+ prompt
+ 4
+
+
+ AnyCPU
+ pdbonly
+ true
+ bin\Release\
+ TRACE
+ prompt
+ 4
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/oop/2017-12-02_delegates/2017-12-02_delegates/App.config b/oop/2017-12-02_delegates/2017-12-02_delegates/App.config
new file mode 100644
index 0000000..88fa402
--- /dev/null
+++ b/oop/2017-12-02_delegates/2017-12-02_delegates/App.config
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/oop/2017-12-02_delegates/2017-12-02_delegates/Program.cs b/oop/2017-12-02_delegates/2017-12-02_delegates/Program.cs
new file mode 100644
index 0000000..111b0b7
--- /dev/null
+++ b/oop/2017-12-02_delegates/2017-12-02_delegates/Program.cs
@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _2017_12_02_delegates
+{
+ class Program
+ {
+ static void Main(string[] args)
+ {
+ delWrite dw;
+ dw = WriteGreen;
+ dw += WriteRed;
+ dw("Hello World");
+ Console.ReadKey();
+ }
+
+ public static void WriteGreen(string s)
+ {
+ Console.ForegroundColor = ConsoleColor.Green;
+ Console.WriteLine(s);
+ }
+
+ public static void WriteRed(string s)
+ {
+ Console.ForegroundColor = ConsoleColor.Red;
+ Console.WriteLine(s);
+ }
+
+ public delegate void delWrite(string s);
+
+
+ }
+}
diff --git a/oop/2017-12-02_delegates/2017-12-02_delegates/Properties/AssemblyInfo.cs b/oop/2017-12-02_delegates/2017-12-02_delegates/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..261f6c1
--- /dev/null
+++ b/oop/2017-12-02_delegates/2017-12-02_delegates/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("2017-12-02_delegates")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("2017-12-02_delegates")]
+[assembly: AssemblyCopyright("Copyright © 2017")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components. If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("27c9909f-b33f-4a50-aad7-c3b8049b42c2")]
+
+// Version information for an assembly consists of the following four values:
+//
+// Major Version
+// Minor Version
+// Build Number
+// Revision
+//
+// 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("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]