[OpenGL] Update GLKBaseEffectDrawing sample

OpenGL/GLKBaseEffectDrawing/MCViewController.cs

@@ -6,6 +6,7 @@ using GLKit;
 using MonoTouch;
 using OpenTK.Graphics.ES20;
 using CoreGraphics;
+using Foundation;
 
 namespace GLKBaseEffectDrawing
 {
@@ -34,7 +35,6 @@ namespace GLKBaseEffectDrawing
 			GLKView view = View as GLKView;
 			view.Context = context;
 			view.DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24;
-			view.DrawInRect += Draw;
 
 			setupGL ();
 		}
@@ -101,7 +101,7 @@ namespace GLKBaseEffectDrawing
 			rotation += (float)TimeSinceLastUpdate * 0.5f;
 		}
 
-		public void Draw (object sender, GLKViewDrawEventArgs args)
+		public override void DrawInRect (GLKView view, CGRect rect)
 		{
 			GL.ClearColor (0.65f, 0.65f, 0.65f, 1f);
 			GL.Clear (ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);

OpenGL/OpenGL.sln

@@ -83,7 +83,6 @@ Global
 		{F17A7552-709F-4109-AFD2-FE557F0C4CD7}.Release|iPhoneSimulator.Build.0 = Release|iPhoneSimulator
 	EndGlobalSection
 	GlobalSection(MonoDevelopProperties) = preSolution
-		StartupItem = PerVertexDirectionalLighting\PerVertexDirectionalLighting.csproj
 		Policies = $0
 		$0.TextStylePolicy = $1
 		$1.inheritsSet = Mono

OpenGL/OpenGLES20Example/OpenGLES20Example.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
-    <ProductVersion>10.0.0</ProductVersion>
+    <ProductVersion>8.0.30703</ProductVersion>
     <SchemaVersion>2.0</SchemaVersion>
     <ProjectGuid>{850F3504-CFDB-4D3F-B9F8-2A7B1D451C36}</ProjectGuid>
     <ProjectTypeGuids>{FEACFBD2-3405-455C-9665-78FE426C6842};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>

OpenGL/PerVertexDirectionalLighting/PerVertexDirectionalLighting.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
-    <ProductVersion>10.0.0</ProductVersion>
+    <ProductVersion>8.0.30703</ProductVersion>
     <SchemaVersion>2.0</SchemaVersion>
     <ProjectGuid>{522284B6-ED61-4F9D-8BA4-F7A863126445}</ProjectGuid>
     <ProjectTypeGuids>{FEACFBD2-3405-455C-9665-78FE426C6842};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>