Updated T10_GLSL_Cube to remove NRE exception on Mono 1.2.x.

Added debug info to the GL.LoadAll function.
Added W03_Extensions.cs example.

Source/Examples/ExampleLauncher.Designer.cs

@@ -66,6 +66,7 @@
             this.MinimumSize = new System.Drawing.Size(300, 300);
             this.Name = "ExampleLauncher";
             this.Text = "OpenTK Example Launcher";
+            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.ExampleLauncher_FormClosing);
             this.Load += new System.EventHandler(this.ExampleLauncher_Load);
             this.ResumeLayout(false);
 

Source/Examples/ExampleLauncher.cs

@@ -38,6 +38,21 @@ namespace Examples
 
         public void ExampleLauncher_Load(object sender, EventArgs e)
         {
+            try
+            {
+                if (File.Exists("debug.log"))
+                    File.Delete("debug.log");
+            }
+            catch (Exception expt)
+            {
+                MessageBox.Show("Could not access debug.log", expt.ToString());
+            }
+
+            Debug.Listeners.Clear();
+            Debug.Listeners.Add(new TextWriterTraceListener("debug.log"));
+            Debug.Listeners.Add(new ConsoleTraceListener());
+            Debug.AutoFlush = true;
+
             // Get all examples
             Type[] types = Assembly.GetExecutingAssembly().GetTypes();
             foreach (Type type in types)
@@ -159,36 +174,19 @@ namespace Examples
         [STAThread]
         static void Main()
         {
-            try
+            using (Form exampleLauncher = new ExampleLauncher())
             {
-                if (File.Exists("debug.log"))
+                Application.EnableVisualStyles();
-                    File.Delete("debug.log");
+                Application.Run(exampleLauncher);
-            }
-            catch (Exception e)
-            {
-                MessageBox.Show("Could not access debug.log", e.ToString());
             }
+        }
 
-            Debug.Listeners.Clear();
+        private void ExampleLauncher_FormClosing(object sender, FormClosingEventArgs e)
-            Debug.Listeners.Add(new TextWriterTraceListener("debug.log"));
+        {
-            Debug.Listeners.Add(new ConsoleTraceListener());
+            Debug.Flush();
-            Debug.AutoFlush = true;
+            Debug.Close();
-
+            Trace.Flush();
-            try
+            Trace.Close();
-            {
-                using (Form exampleLauncher = new ExampleLauncher())
-                {
-                    Application.EnableVisualStyles();
-                    Application.Run(exampleLauncher);
-                }
-            }
-            finally
-            {
-                Debug.Flush();
-                Debug.Close();
-                Trace.Flush();
-                Trace.Close();
-            }
         }
     }
 }

Source/Examples/Tutorial/T01_Simple_Window.cs

@@ -8,6 +8,7 @@ using System;
 using System.Collections.Generic;
 using System.Text;
 using System.Drawing;
+using System.Diagnostics;
 
 using OpenTK;
 using OpenTK.OpenGL;

Source/Examples/Tutorial/T10_GLSL_Cube.cs

@@ -86,7 +86,7 @@ namespace Examples.Tutorial
             vertex_shader_object = (uint)GL.CreateShader(GL.Enums.VERSION_2_0.VERTEX_SHADER);
             fragment_shader_object = (uint)GL.CreateShader(GL.Enums.VERSION_2_0.FRAGMENT_SHADER);
 
-            GL.ShaderSource(vertex_shader_object, vertex_shader_source.Length, vertex_shader_source, (int[])null);
+            unsafe { GL.ShaderSource(vertex_shader_object, vertex_shader_source.Length, vertex_shader_source, (int*)null); }
             GL.CompileShader(vertex_shader_object);
             GL.GetShader(vertex_shader_object, GL.Enums.VERSION_2_0.COMPILE_STATUS, out status);
             if (status != (int)GL.Enums.Boolean.TRUE)
@@ -99,7 +99,7 @@ namespace Examples.Tutorial
                 throw new Exception(info.ToString());
             }
 
-            GL.ShaderSource(fragment_shader_object, fragment_shader_source.Length, fragment_shader_source, (int[])null);
+            unsafe { GL.ShaderSource(fragment_shader_object, fragment_shader_source.Length, fragment_shader_source, (int*)null); }
             GL.CompileShader(fragment_shader_object);
             GL.GetShader(fragment_shader_object, GL.Enums.VERSION_2_0.COMPILE_STATUS, out status);
             if (status != (int)GL.Enums.Boolean.TRUE)

Source/Examples/WinForms/W03_Extensions.Designer.cs

@@ -0,0 +1,59 @@
+namespace Examples.WinForms
+{
+    partial class W03_Extensions
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.listBox1 = new System.Windows.Forms.ListBox();
+            this.SuspendLayout();
+            // 
+            // listBox1
+            // 
+            this.listBox1.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.listBox1.FormattingEnabled = true;
+            this.listBox1.Location = new System.Drawing.Point(0, 0);
+            this.listBox1.Name = "listBox1";
+            this.listBox1.Size = new System.Drawing.Size(284, 264);
+            this.listBox1.TabIndex = 0;
+            // 
+            // W03_Extensions
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(284, 264);
+            this.Controls.Add(this.listBox1);
+            this.Name = "W03_Extensions";
+            this.Text = "W03_Extensions";
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.ListBox listBox1;
+    }
+}

Source/Examples/WinForms/W03_Extensions.cs

@@ -0,0 +1,77 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Text;
+using System.Windows.Forms;
+
+using OpenTK;
+using System.Reflection;
+using OpenTK.OpenGL;
+
+namespace Examples.WinForms
+{
+    public partial class W03_Extensions : Form//, IExample
+    {
+        GLControl glControl = new GLControl();
+        Assembly assembly;
+        Type glClass;
+        Type delegatesClass;
+        Type importsClass;
+
+        public W03_Extensions()
+        {
+            InitializeComponent();
+
+            assembly = Assembly.Load("OpenTK");
+            glClass = assembly.GetType("OpenTK.OpenGL.GL");
+            delegatesClass = glClass.GetNestedType("Delegates", BindingFlags.Static | BindingFlags.NonPublic);
+            importsClass = glClass.GetNestedType("Imports", BindingFlags.Static | BindingFlags.NonPublic);
+        }
+
+        protected override void OnLoad(EventArgs e)
+        {
+            base.OnLoad(e);
+
+            glControl.CreateContext();
+
+            FieldInfo[] v = delegatesClass.GetFields(BindingFlags.Static | BindingFlags.NonPublic);
+
+            int i = 0, supported = 0;
+
+            try
+            {
+                foreach (FieldInfo f in v)
+                {
+                    Delegate d = GL.GetDelegate(f.Name, f.FieldType);
+
+                    f.SetValue(null, d);
+                    this.listBox1.Items.Add(String.Format("{0}/{1} {2}: {3}",
+                        (++i).ToString(), v.Length, d != null ? "ok" : "failed", f.Name));
+
+                    if (d != null)
+                    {
+                        ++supported;
+                    }
+                }
+
+                this.Text = String.Format("Supported extensions: {0}", supported);
+            }
+            catch (Exception expt)
+            {
+                MessageBox.Show("An error occured while loading extensions", "Extension loading failed", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
+                throw;
+            }
+        }
+
+        #region IExample Members
+
+        public void Launch()
+        {
+            
+        }
+
+        #endregion
+    }
+}

Source/OpenTK/OpenGL/GLHelper.cs

@@ -12,6 +12,7 @@ using System.Text;
 using System.Runtime.InteropServices;
 using System.Reflection;
 using OpenTK.Platform;
+using System.Diagnostics;
 
 #endregion
 
@@ -236,10 +237,21 @@ namespace OpenTK.OpenGL
         public static void LoadAll()
         {
             FieldInfo[] v = delegatesClass.GetFields(BindingFlags.Static | BindingFlags.NonPublic);
+
+            int supported = 0;
+
+            Debug.Print("Will now try to load all {0} opengl functions.", v.Length);
             foreach (FieldInfo f in v)
             {
-                f.SetValue(null, GetDelegate(f.Name, f.FieldType));
+                Delegate d = GetDelegate(f.Name, f.FieldType);
+                if (d != null)
+                {
+                    ++supported;
+                }
+
+                f.SetValue(null, d);
             }
+            Debug.Print("Total supported functions: {0}.", supported);
 
             AvailableExtensions.Clear();
             rebuildExtensionList = true;

Source/OpenTK/Platform/X11/X11GLNative.cs

@@ -56,7 +56,7 @@ namespace OpenTK.Platform.X11
             Debug.Print("Native window driver: {0}", this.ToString());
             window = new WindowInfo();
 
-            Utilities.ThrowOnX11Error = true;
+            //Utilities.ThrowOnX11Error = true;
         }
 
         #endregion