Moved GameWindowFlags enumeration to its own file.

Added GameWindowFlags.Default token.

Source/OpenTK/GameWindow.cs

@@ -1825,15 +1825,4 @@ Alternatively, you can disable the ""Just my code"" debugging mode (""Tools->Opt
 
     #endregion
 
-    #region public enum GameWindowFlags
-
-    /// <summary>Enumerates available GameWindow construction options.</summary>
-    [Flags]
-    public enum GameWindowFlags
-    {
-        /// <summary>Indicates that the GameWindow should cover the whole screen.</summary>
-        Fullscreen = 1,
-    }
-
-    #endregion
-}
+}

Source/OpenTK/GameWindowFlags.cs

@@ -0,0 +1,48 @@
+// #region License
+// //
+// // The Open Toolkit Library License
+// //
+// // Copyright (c) 2006 - 2009 the Open Toolkit library.
+// //
+// // Permission is hereby granted, free of charge, to any person obtaining a copy
+// // of this software and associated documentation files (the "Software"), to deal
+// // in the Software without restriction, including without limitation the rights to 
+// // use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// // the Software, and to permit persons to whom the Software is furnished to do
+// // so, subject to the following conditions:
+// //
+// // The above copyright notice and this permission notice shall be included in all
+// // copies or substantial portions of the Software.
+// //
+// // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+// // OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+// // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+// // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// // OTHER DEALINGS IN THE SOFTWARE.
+// //
+// #endregion
+
+using System;
+
+namespace OpenTK
+{
+    /// <summary>
+    /// Defines bitwise combianations of GameWindow construction options.
+    /// </summary>
+    [Flags]
+    public enum GameWindowFlags
+    {
+        /// <summary>
+        /// Indicates default construction options.
+        /// </summary>
+        Default = 0,
+        
+        /// <summary>
+        /// Indicates that the GameWindow should cover the whole screen.
+        /// </summary>
+        Fullscreen = 1,
+    }
+}