reinstate 1 snippet file

Author: gewarren

snippets/csharp/System.IO.Compression/ZipFile/CreateFromDirectory/program3.cs

@@ -0,0 +1,19 @@
+// <snippet3>
+using System;
+using System.IO;
+using System.IO.Compression;
+
+namespace ConsoleApplication
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            string startPath = @"c:\example\start";
+            string zipPath = @"c:\example\result.zip";
+
+            ZipFile.CreateFromDirectory(startPath, zipPath, CompressionLevel.Fastest, true);
+        }
+    }
+}
+// </snippet3>