Added summeries to SM.OGL

SMCode/SM.OGL/GLSystem.cs

@@ -3,18 +3,42 @@ using OpenTK.Graphics.OpenGL4;
 
 namespace SM.OGL
 {
+    /// <summary>
+    /// Contains data about the current OpenGL system.
+    /// </summary>
     public class GLSystem
     {
         private static bool _init = false;
 
+        /// <summary>
+        /// Contains the device version of OpenGL.
+        /// </summary>
         public static Version DeviceVersion { get; private set; }
+        /// <summary>
+        /// Get/Sets the forced version for OpenGL.
+        /// <para>Needs to be set before init a window.</para>
+        /// </summary>
         public static Version ForcedVersion { get; set; } = new Version();
 
+        /// <summary>
+        /// Contains the shader version for GLSL.
+        /// </summary>
         public static Version ShadingVersion { get; private set; }
+        /// <summary>
+        /// Contains the extensions for OpenGL.
+        /// </summary>
         public static string[] Extensions { get; private set; }
 
+        /// <summary>
+        /// Checks if proper Debugging is for this system available.
+        /// <para>Determent, if the system has the "KHR_debug"-extension. </para>
+        /// </summary>
         public static bool Debugging { get; private set; }
 
+        /// <summary>
+        /// Initialize the system data.
+        /// <para>Does nothing after the data was already collected.</para> 
+        /// </summary>
         public static void INIT_SYSTEM()
         {
             if (_init) return;