initial oogynize check in _ this actually used to work!

Client Services/GUIWPForms/DispatcherThread.cs

@@ -0,0 +1,131 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Runtime.InteropServices;
+using System.Threading;
+using System.Reflection;
+
+// Ooganizer Namespaces
+using Foo.Platform;
+using System.Windows.Threading;
+
+namespace Foo.ClientServices.GUIWPForms
+{
+    /// <summary>
+    /// This class is responsible for creation and deltion of ButtonFormMgr.cs on a 
+    /// Dispatcher Thread. ~The Dispatcher is responsible for all the messages being passed 
+    /// for the Form Objects, it must be running at all times and created before any forms get
+    /// created.
+    /// </summary>
+    [ComVisible(false)]
+    class DispatcherThread
+    {
+
+        // Member Variables
+        private static Thread s_DispatcherThread = null;
+        private static bool s_DispatcherThreadIsInitialized = false;
+        internal static GUIFormsMgr s_GUIFormsMgr = null;
+
+        // Declare the Log4net Variable
+        private static log4net.ILog Log = Logger.GetLog4NetInterface(MethodBase.GetCurrentMethod().DeclaringType);
+
+        /// <summary>
+        /// Constructor by default will launch the thread if needed
+        /// </summary>
+        static DispatcherThread()
+        {
+            Log.Info(string.Format("{0}() - DispatcherThread() called", MethodBase.GetCurrentMethod().Name));
+            StartDispatcherThreadIfNeeded();
+        }
+
+        /// <summary>
+        /// Use this property to set the Dispatcher to running / not running
+        /// </summary>
+        public static bool Run
+        {
+            get { return s_DispatcherThreadIsInitialized; }
+            set
+            {
+                if (!value)
+                    TerminateDispatcherThreadIfNeeded();
+
+                s_DispatcherThreadIsInitialized = value;
+            }
+        }
+
+        /// <summary>
+        /// Message Loop Thread for wpfGUIForms
+        /// </summary>        
+        private static void DispatcherThreadProc()
+        {
+            // Create ButtonFormMgr Object on this thread *Allow global access to the object*
+            Log.Info(string.Format("{0}() - About to new GUIFormsMgr via DispatcherThread", MethodBase.GetCurrentMethod().Name));
+            s_GUIFormsMgr = new GUIFormsMgr(Dispatcher.CurrentDispatcher);
+
+            Log.Info(string.Format("{0}() - GUIFormsMgr DispatcherThread is initialized s_DispatcherThreadIsInitialized is True", MethodBase.GetCurrentMethod().Name));
+            s_DispatcherThreadIsInitialized = true; // always set to true to allow caller to exit out
+
+            if (s_GUIFormsMgr != null)
+            {
+                Log.Info(string.Format("{0}() - GUIFormsMgr Launched via DispatcherThread", MethodBase.GetCurrentMethod().Name));
+
+                //Enter Dispatcher Message Loop
+                System.Windows.Threading.Dispatcher.Run();
+            }
+            else
+            {
+                Log.Error(string.Format("{0}() - GUIFormsMgr Launch Failed! Exiting Thread - Major Error must have occured", MethodBase.GetCurrentMethod().Name));
+                // exit thread - no need to stay here
+            }
+        }
+
+        /// <summary>
+        /// Use this function to start ThreadProc(above) if needed. COM+ can shutdown the thread anytime,
+        /// we need to make sure that the thread is alive BEFORE calling ButtonForms
+        /// </summary>
+        private static void StartDispatcherThreadIfNeeded()
+        {
+            if (s_DispatcherThread != null && s_DispatcherThread.IsAlive)
+            {
+                return;
+            }
+            else
+            {
+                s_DispatcherThreadIsInitialized = false;
+
+                // Start a new Thread so it can become the Message Loop
+                s_DispatcherThread = new Thread(new ThreadStart(DispatcherThread.DispatcherThreadProc));
+
+                // GUI components require the thread to be STA; otherwise throws an error
+                s_DispatcherThread.SetApartmentState(ApartmentState.STA);
+                Log.Info(string.Format("{0}() - Starting DispatcherThread...", MethodBase.GetCurrentMethod().Name));
+                s_DispatcherThread.Start();
+                Log.Info(string.Format("{0}() - DispatcherThread Started.", MethodBase.GetCurrentMethod().Name));
+
+                // Make sure the Application Object is running 
+                // (COM will eventually just time out otherwise)
+                //while (!s_DispatcherThreadIsInitialized)
+                //    System.Threading.Thread.Sleep(20); // Syncronous call                
+            }
+        }
+
+        /// <summary>
+        /// Terminates all ButtonForm Objects and the Message Dispatcher Thread *do this only on shutdown*
+        /// </summary>
+        private static void TerminateDispatcherThreadIfNeeded()
+        {
+            if (s_DispatcherThreadIsInitialized)
+            {
+                // Delete s_GUIFormsMgr and all wpfForms from this thread
+                s_GUIFormsMgr.TerminateDISP();
+                s_GUIFormsMgr = null;
+
+                s_DispatcherThread.Abort();
+                s_DispatcherThreadIsInitialized = false;
+                Log.Info(string.Format("{0}() - GUIFormsMgr is DispatcherThread shutdown s_DispatcherThreadIsInitialized is False", MethodBase.GetCurrentMethod().Name));
+            }
+        }
+
+    }
+}