1 files changed, 34 insertions, 3 deletions
diff --git a/csharp.html.markdown b/csharp.html.markdown
index 7aca2c6f..7d7f4340 100644
--- a/csharp.html.markdown
+++ b/csharp.html.markdown
@@ -7,6 +7,7 @@ contributors:
     - ["Shaun McCarthy", "http://www.shaunmccarthy.com"]
     - ["Wouter Van Schandevijl", "http://github.com/laoujin"]
     - ["Jo Pearce", "http://github.com/jdpearce"]
+    - ["Chris Zimmerman", "https://github.com/chriszimmerman"]
 filename: LearnCSharp.cs
 ---
 
@@ -44,8 +45,8 @@ using System.Data.Entity;
 // Using this code from another source file: using Learning.CSharp;
 namespace Learning.CSharp
 {
-    // Each .cs file should at least contain a class with the same name as the file
-    // you're allowed to do otherwise, but shouldn't for sanity.
+    // Each .cs file should at least contain a class with the same name as the file.
+    // You're allowed to do otherwise, but shouldn't for sanity.
     public class LearnCSharp
     {
         // BASIC SYNTAX - skip to INTERESTING FEATURES if you have used Java or C++ before
@@ -394,6 +395,7 @@ on a new line! ""Wow!"", the masses cried";
             ref int maxCount, // Pass by reference
             out int count)
         {
+            //the argument passed in as 'count' will hold the value of 15 outside of this function
             count = 15; // out param must be assigned before control leaves the method
         }
 
@@ -628,7 +630,7 @@ on a new line! ""Wow!"", the masses cried";
 
     public static class Extensions
     {
-        // EXTENSION FUNCTIONS
+        // EXTENSION METHODS
         public static void Print(this object obj)
         {
             Console.WriteLine(obj.ToString());
@@ -911,6 +913,35 @@ on a new line! ""Wow!"", the masses cried";
 
         public DbSet<Bicycle> Bikes { get; set; }
     }
+    
+    // Classes can be split across multiple .cs files
+    // A1.cs
+    public partial class A 
+    {
+        public static void A1()
+        {
+            Console.WriteLine("Method A1 in class A");
+        }
+    }
+    
+    // A2.cs
+    public partial class A
+    {
+        public static void A2()
+        {
+            Console.WriteLine("Method A2 in class A");
+        }
+    }
+    
+    // Program using the partial class "A"
+    public class Program 
+    {
+        static void Main()
+        {
+            A.A1();
+            A.A2();
+        }
+    }
 } // End Namespace
 ```