Small fixes, debug tweaks

src/AcaciaZPushPlugin/AcaciaZPushPlugin/Features/DebugSupport/DebugDialog.cs

@@ -163,12 +163,8 @@ namespace Acacia.Features.DebugSupport
         }
 
         private void GarbageCollect()
-        { 
-            GC.Collect();
-            GC.WaitForPendingFinalizers();
-            GC.Collect();
-            GC.WaitForPendingFinalizers();
-
+        {
+            Util.GarbageCollect();
             UpdateFields();
         }
 

src/AcaciaZPushPlugin/AcaciaZPushPlugin/Features/DebugSupport/FeatureDebugSupport.cs

@@ -48,7 +48,7 @@ namespace Acacia.Features.DebugSupport
 
         public override void AfterStartup()
         {
-            ShowAbout();
+            //ShowAbout();
         }
 
         #region About dialog
@@ -79,7 +79,9 @@ namespace Acacia.Features.DebugSupport
 
         public void ShowSettings()
         {
-            new SettingsDialog().ShowDialog();
+            //new SettingsDialog().ShowDialog();
+            ThisAddIn.Instance.GetFeature<GAB.FeatureGAB>()?.FullResync();
+            Tasks.Task(this, "GC", () => Util.GarbageCollect());
         }
 
         public override FeatureSettings GetSettings()

src/AcaciaZPushPlugin/AcaciaZPushPlugin/Utils/MailEvents.cs

@@ -208,8 +208,6 @@ namespace Acacia.Utils
 
         #region Implementation
 
-        private readonly HashSet<MailEventHooker> _keepAlives = new HashSet<MailEventHooker>();
-
         public MailEvents(IAddIn app)
         {
             app.ItemLoad += OnItemLoad;
@@ -221,7 +219,7 @@ namespace Acacia.Utils
             NSOutlook.ItemEvents_10_Event hasEvents = item as NSOutlook.ItemEvents_10_Event;
             if (hasEvents != null)
             {
-                _keepAlives.Add(new MailEventHooker(item, hasEvents, this));
+                new MailEventHooker(item, hasEvents, this);
             }
             else ComRelease.Release(item);
         }
@@ -248,8 +246,6 @@ namespace Acacia.Utils
             {
                 Logger.Instance.Debug(this, "DoRelease: {0}", _id);
 
-                _events._keepAlives.Remove(this);
-
                 ComRelease.Release(_item);
                 _item = null;
                 ComRelease.Release(_itemEvents);

src/AcaciaZPushPlugin/AcaciaZPushPlugin/Utils/Util.cs

@@ -79,5 +79,14 @@ namespace Acacia.Utils
             }
             ComRelease.Release(source);
         }
+
+        public static void GarbageCollect()
+        {
+            for (int i = 0; i < 4; ++i)
+            {
+                GC.Collect();
+                GC.WaitForPendingFinalizers();
+            }
+        }
     }
 }