copy/paste from playground

Program.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Windows.Forms;
+
+namespace PreviewToy
+{
+    static class Program
+    {
+        /// <summary>The main entry point for the application.</summary>
+        [STAThread]
+        static void Main()
+        {
+            Application.EnableVisualStyles();
+            Application.SetCompatibleTextRenderingDefault(true);
+            Application.Run(new PreviewToyMain());
+        }
+    }
+}