diff --git a/ActionBar/PrintActionRow.cs b/ActionBar/PrintActionRow.cs
index 662caca2f..8b61f4462 100644
--- a/ActionBar/PrintActionRow.cs
+++ b/ActionBar/PrintActionRow.cs
@@ -187,7 +187,7 @@ namespace MatterHackers.MatterControl.ActionBar
             PrintItemWrapper partToPrint = sender as PrintItemWrapper;
             if (partToPrint != null)
             {
-                partToPrint.SlicingDone -= new EventHandler(partToPrint_SliceDone);
+                partToPrint.SlicingDone.UnregisterEvent(partToPrint_SliceDone, ref unregisterEvents);
                 string gcodePathAndFileName = partToPrint.GetGCodePathAndFileName();
                 if (gcodePathAndFileName != "")
                 {
@@ -254,7 +254,7 @@ namespace MatterHackers.MatterControl.ActionBar
                     PrinterCommunication.Instance.CommunicationState = PrinterCommunication.CommunicationStates.PreparingToPrint;
                     PrintItemWrapper partToPrint = PrinterCommunication.Instance.ActivePrintItem;
                     SlicingQueue.Instance.QueuePartForSlicing(partToPrint);
-                    partToPrint.SlicingDone += new EventHandler(partToPrint_SliceDone);
+                    partToPrint.SlicingDone.RegisterEvent(partToPrint_SliceDone, ref unregisterEvents);
 
                 }
                 else
diff --git a/ActionBar/PrintStatusRow.cs b/ActionBar/PrintStatusRow.cs
index f588628fb..e681a7724 100644
--- a/ActionBar/PrintStatusRow.cs
+++ b/ActionBar/PrintStatusRow.cs
@@ -115,7 +115,7 @@ namespace MatterHackers.MatterControl.ActionBar
             // first we have to remove any link to an old part (the part currently in the view)
             if (activePrintPreviewImage.PrintItem != null)
             {
-                activePrintPreviewImage.PrintItem.SlicingOutputMessage -= PrintItem_SlicingOutputMessage;
+                activePrintPreviewImage.PrintItem.SlicingOutputMessage.UnregisterEvent(PrintItem_SlicingOutputMessage, ref unregisterEvents);
             }
 
             activePrintPreviewImage.PrintItem = PrinterCommunication.Instance.ActivePrintItem;
@@ -123,7 +123,7 @@ namespace MatterHackers.MatterControl.ActionBar
             // then hook up our new part
             if (activePrintPreviewImage.PrintItem != null)
             {
-                activePrintPreviewImage.PrintItem.SlicingOutputMessage += PrintItem_SlicingOutputMessage;
+                activePrintPreviewImage.PrintItem.SlicingOutputMessage.RegisterEvent(PrintItem_SlicingOutputMessage, ref unregisterEvents);
             }
 
             activePrintPreviewImage.Invalidate();
diff --git a/ApplicationView/CompactSlidePanel.cs b/ApplicationView/CompactSlidePanel.cs
index 767619c47..eaf08eb2c 100644
--- a/ApplicationView/CompactSlidePanel.cs
+++ b/ApplicationView/CompactSlidePanel.cs
@@ -78,12 +78,6 @@ namespace MatterHackers.MatterControl
             : base(2)
         {
             this.queueDataView = queueDataView;
-            AddElements();
-        }
-
-        public void AddElements()
-        {
-            ActivePrinterProfile.Instance.ActivePrinterChanged.RegisterEvent(LoadSettingsOnPrinterChanged, ref unregisterEvents);
 
             // do the front panel stuff
             {
@@ -253,8 +247,6 @@ namespace MatterHackers.MatterControl
             advancedControls.AddTab(new SimpleTextTabWidget(new TabPage(configurationControls, configurationLabel), 14,
                         ActiveTheme.Instance.PrimaryTextColor, new RGBA_Bytes(), unselectedTextColor, new RGBA_Bytes()));
 
-
-
             return advancedControls;
         }
 
@@ -291,11 +283,5 @@ namespace MatterHackers.MatterControl
             sliceSettingsUiState = new SliceSettingsWidget.UiState(sliceSettingsWidget);
             UiThread.RunOnIdle(DoChangePanel);
         }
-
-        public void LoadSettingsOnPrinterChanged(object sender, EventArgs e)
-        {
-            ActiveSliceSettings.Instance.LoadAllSettings();
-            ApplicationWidget.Instance.ReloadBackPanel();
-        }
     }
 }
diff --git a/ApplicationView/MainApplicationWidget.cs b/ApplicationView/MainApplicationWidget.cs
index 94d512a70..4aa53235d 100644
--- a/ApplicationView/MainApplicationWidget.cs
+++ b/ApplicationView/MainApplicationWidget.cs
@@ -126,10 +126,5 @@ namespace MatterHackers.MatterControl
         {
             ReloadPanelTrigger.CallEvents(this, null);
         }
-
-        void OnReloadBackPanel(EventArgs e)
-        {
-            ReloadPanelTrigger.CallEvents(this, e);
-        }
     }
 }
diff --git a/ApplicationView/WidescreenPanel.cs b/ApplicationView/WidescreenPanel.cs
index db936c1e1..13b88af0d 100644
--- a/ApplicationView/WidescreenPanel.cs
+++ b/ApplicationView/WidescreenPanel.cs
@@ -55,7 +55,6 @@ namespace MatterHackers.MatterControl
     {
         MainScreenTabView mainScreenTabView;
 
-        TabControl advancedControlsTabControl;
         SliceSettingsWidget sliceSettingsWidget;
         TabControl advancedControls;
         public TabPage AboutTabPage;
@@ -160,10 +159,8 @@ namespace MatterHackers.MatterControl
         void DoChangePanel(object state)
         {
             // remove the advance control and replace it with new ones built for the selected printer
-            int advancedControlsWidgetIndex = ColumnThree.GetChildIndex(this.advancedControlsTabControl);
-            ColumnThree.RemoveChild(advancedControlsWidgetIndex);
-            this.advancedControlsTabControl = CreateNewAdvancedControlsTab(sliceSettingsUiState);
-            ColumnThree.AddChild(this.advancedControlsTabControl, advancedControlsWidgetIndex);
+            ColumnThree.RemoveAllChildren();
+            ColumnThree.AddChild(CreateNewAdvancedControlsTab(sliceSettingsUiState));
             ColumnThree.Width = 590;
 
             RestoreUiState();
@@ -325,8 +322,8 @@ namespace MatterHackers.MatterControl
 
         void LoadColumnThree()
         {
-            advancedControlsTabControl = CreateNewAdvancedControlsTab(new SliceSettingsWidget.UiState());
-            ColumnThree.AddChild(advancedControlsTabControl);
+            RemoveAllChildren();
+            ColumnThree.AddChild(CreateNewAdvancedControlsTab(new SliceSettingsWidget.UiState()));
             ColumnThree.Width = 590; //Ordering here matters - must go after children are added  
         }
 
diff --git a/CustomWidgets/ExportPrintItemWindow.cs b/CustomWidgets/ExportPrintItemWindow.cs
index 3f62099af..85154a8b4 100644
--- a/CustomWidgets/ExportPrintItemWindow.cs
+++ b/CustomWidgets/ExportPrintItemWindow.cs
@@ -162,7 +162,7 @@ namespace MatterHackers.MatterControl
                 {
                     Close();
                     SlicingQueue.Instance.QueuePartForSlicing(printItemWrapper);
-                    printItemWrapper.SlicingDone += new EventHandler(sliceItem_Done);
+                    printItemWrapper.SlicingDone.RegisterEvent(sliceItem_Done, ref unregisterEvents);
                 }
                 else if (partIsGCode)
                 {
@@ -247,18 +247,12 @@ namespace MatterHackers.MatterControl
             }
         }
 
-
         void sliceItem_Done(object sender, EventArgs e)
         {
             PrintItemWrapper sliceItem = (PrintItemWrapper)sender;
 
-            sliceItem.SlicingDone -= new EventHandler(sliceItem_Done);
+            printItemWrapper.SlicingDone.UnregisterEvent(sliceItem_Done, ref unregisterEvents);
             SaveGCodeToNewLocation(sliceItem.GCodePathAndFileName, pathAndFilenameToSave);
         }
-
-		public void CloseOnIdle()
-		{
-			UiThread.RunOnIdle((state) => { Close(); });
-		}
     }
 }
diff --git a/CustomWidgets/PartThumbnailWidget.cs b/CustomWidgets/PartThumbnailWidget.cs
index af88bab0d..ca2847075 100644
--- a/CustomWidgets/PartThumbnailWidget.cs
+++ b/CustomWidgets/PartThumbnailWidget.cs
@@ -62,13 +62,13 @@ namespace MatterHackers.MatterControl
             {
                 if (printItem != null)
                 {
-                    printItem.FileHasChanged -= item_FileHasChanged;
+                    printItem.FileHasChanged.UnregisterEvent(item_FileHasChanged, ref unregisterEvents);
                 }
                 printItem = value;
                 thumbNailHasBeenRequested = false;
                 if (printItem != null)
                 {
-                    printItem.FileHasChanged += item_FileHasChanged;
+                    printItem.FileHasChanged.RegisterEvent(item_FileHasChanged, ref unregisterEvents);
                 }
             }
         }
@@ -151,7 +151,7 @@ namespace MatterHackers.MatterControl
             }
             if (printItem != null)
             {
-                printItem.FileHasChanged -= item_FileHasChanged;
+                printItem.FileHasChanged.UnregisterEvent(item_FileHasChanged, ref unregisterEvents);
             }
             base.OnClosed(e);
         }
diff --git a/PartPreviewWindow/GcodeViewBasic.cs b/PartPreviewWindow/GcodeViewBasic.cs
index b67c1a991..5ff9572dd 100644
--- a/PartPreviewWindow/GcodeViewBasic.cs
+++ b/PartPreviewWindow/GcodeViewBasic.cs
@@ -63,6 +63,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 
         GetSizeFunction bedSizeFunction;
         GetSizeFunction bedCenterFunction;
+        EventHandler unregisterEvents;
         bool widgetHasCloseButton;
 
         public delegate Vector2 GetSizeFunction();
@@ -152,8 +153,8 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
                         }
 
                         // we only hook these up to make sure we can regenerate the gcode when we want
-                        printItem.SlicingOutputMessage += sliceItem_SlicingOutputMessage;
-                        printItem.SlicingDone += new EventHandler(sliceItem_Done);
+                        printItem.SlicingOutputMessage.RegisterEvent(sliceItem_SlicingOutputMessage, ref unregisterEvents);
+                        printItem.SlicingDone.RegisterEvent(sliceItem_Done, ref unregisterEvents);
                     }
                     else
                     {
@@ -610,10 +611,15 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
             }
             parent.KeyDown -= Parent_KeyDown;
 
+            if (unregisterEvents != null)
+            {
+                unregisterEvents(this, null);
+            }
+
             if (printItem != null)
             {
-                printItem.SlicingOutputMessage -= sliceItem_SlicingOutputMessage;
-                printItem.SlicingDone -= new EventHandler(sliceItem_Done);
+                printItem.SlicingOutputMessage.UnregisterEvent(sliceItem_SlicingOutputMessage, ref unregisterEvents);
+                printItem.SlicingDone.UnregisterEvent(sliceItem_Done, ref unregisterEvents);
                 if (startedSliceFromGenerateButton && printItem.CurrentlySlicing)
                 {
                     SlicingQueue.Instance.CancelCurrentSlicing();
@@ -655,8 +661,8 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
             // We can add this while we have it open (when we are done loading).
             // So we need to make sure we only have it added once. This will be ok to run when
             // not added or when added and will ensure we only have one hook.
-            printItem.SlicingOutputMessage -= sliceItem_SlicingOutputMessage;
-            printItem.SlicingDone -= sliceItem_Done;
+            printItem.SlicingOutputMessage.UnregisterEvent(sliceItem_SlicingOutputMessage, ref unregisterEvents);
+            printItem.SlicingDone.UnregisterEvent(sliceItem_Done, ref unregisterEvents);
 
             UiThread.RunOnIdle(CreateAndAddChildren);
             startedSliceFromGenerateButton = false;
diff --git a/PrintLibrary/LibraryDataView.cs b/PrintLibrary/LibraryDataView.cs
index caf2fce64..8f65d92ac 100644
--- a/PrintLibrary/LibraryDataView.cs
+++ b/PrintLibrary/LibraryDataView.cs
@@ -219,6 +219,15 @@ namespace MatterHackers.MatterControl.PrintLibrary
             LibraryData.Instance.OrderChanged.RegisterEvent(LibraryOrderChanged, ref unregisterEvents);
         }
 
+        public override void OnClosed(EventArgs e)
+        {
+            if (unregisterEvents != null)
+            {
+                unregisterEvents(this, null);
+            }
+            base.OnClosed(e);
+        }
+
         void ItemAddedToLibrary(object sender, EventArgs e)
         {
             IndexArgs addedIndexArgs = e as IndexArgs;
diff --git a/PrintQueue/OptionsMenue/ExportToFolderProcess.cs b/PrintQueue/OptionsMenue/ExportToFolderProcess.cs
index b691e6216..f17a72b08 100644
--- a/PrintQueue/OptionsMenue/ExportToFolderProcess.cs
+++ b/PrintQueue/OptionsMenue/ExportToFolderProcess.cs
@@ -88,6 +88,7 @@ namespace MatterHackers.MatterControl.PrintQueue
             itemCountBeingWorkedOn = 0;
         }
 
+        EventHandler unregisterEvents;
         public void Start()
         {
             if (QueueData.Instance.Count > 0)
@@ -105,8 +106,8 @@ namespace MatterHackers.MatterControl.PrintQueue
                     if (Path.GetExtension(part.FileLocation).ToUpper() == ".STL")
                     {
                         SlicingQueue.Instance.QueuePartForSlicing(printItemWrapper);
-                        printItemWrapper.SlicingDone += new EventHandler(sliceItem_Done);
-                        printItemWrapper.SlicingOutputMessage += printItemWrapper_SlicingOutputMessage;
+                        printItemWrapper.SlicingDone.RegisterEvent(sliceItem_Done, ref unregisterEvents);
+                        printItemWrapper.SlicingOutputMessage.RegisterEvent(printItemWrapper_SlicingOutputMessage, ref unregisterEvents);
                     }
                     else if (Path.GetExtension(part.FileLocation).ToUpper() == ".GCODE")
                     {
@@ -129,8 +130,8 @@ namespace MatterHackers.MatterControl.PrintQueue
         {
             PrintItemWrapper sliceItem = (PrintItemWrapper)sender;
 
-            sliceItem.SlicingDone -= new EventHandler(sliceItem_Done);
-            sliceItem.SlicingOutputMessage -= printItemWrapper_SlicingOutputMessage;
+            sliceItem.SlicingDone.UnregisterEvent(sliceItem_Done, ref unregisterEvents);
+            sliceItem.SlicingOutputMessage.UnregisterEvent(printItemWrapper_SlicingOutputMessage, ref unregisterEvents);
             if (File.Exists(sliceItem.FileLocation))
             {
                 savedGCodeFileNames.Add(sliceItem.GCodePathAndFileName);
diff --git a/PrintQueue/PrintItemWrapper.cs b/PrintQueue/PrintItemWrapper.cs
index 31c740869..23987e6cb 100644
--- a/PrintQueue/PrintItemWrapper.cs
+++ b/PrintQueue/PrintItemWrapper.cs
@@ -46,19 +46,13 @@ namespace MatterHackers.MatterControl.PrintQueue
 {
     public class PrintItemWrapper
     {
-        public event EventHandler SlicingOutputMessage;
-        public event EventHandler SlicingDone;
-        public event EventHandler FileHasChanged;
+        public RootedObjectEventHandler SlicingOutputMessage = new RootedObjectEventHandler();
+        public RootedObjectEventHandler SlicingDone = new RootedObjectEventHandler();
+        public RootedObjectEventHandler FileHasChanged = new RootedObjectEventHandler();
 
         public PrintItem PrintItem { get; set; }
-        //public event EventHandler PreparationStatusChanged;
-
-        //public enum GcodeStatuses { Prepared, Slicing, NotPrepared, SliceFailed };
-        //GcodeStatuses gcodeStatus = GcodeStatuses.NotPrepared;
-        //String gcodeProcessingMessage;
         String fileType;
 
-        //String gcodePathAndFileName;
         int stlFileHashCode;
         long writeTime = 0;
 
@@ -71,10 +65,6 @@ namespace MatterHackers.MatterControl.PrintQueue
         {
             this.PrintItem = printItem;
             this.fileType = Path.GetExtension(printItem.FileLocation).ToUpper();
-            //if (this.fileType == ".GCODE")
-            //{
-                //gcodeStatus = GcodeStatuses.Prepared;
-            //}
         }
 
         public PrintItemWrapper(int printItemId)
@@ -124,10 +114,7 @@ namespace MatterHackers.MatterControl.PrintQueue
 
                         OnSlicingOutputMessage(new StringEventArgs(message));
 
-                        if (SlicingDone != null)
-                        {
-                            SlicingDone(this, null);
-                        }
+                        SlicingDone.CallEvents(this, null);
                     }
                 }
             }
@@ -138,7 +125,7 @@ namespace MatterHackers.MatterControl.PrintQueue
             StringEventArgs message = e as StringEventArgs;
             if (SlicingOutputMessage != null)
             {
-                SlicingOutputMessage(this, message);
+                SlicingOutputMessage.CallEvents(this, message);
             }
         }
 
@@ -266,7 +253,7 @@ namespace MatterHackers.MatterControl.PrintQueue
         {
             if (FileHasChanged != null)
             {
-                FileHasChanged(this, null);
+                FileHasChanged.CallEvents(this, null);
             }
         }
     }
diff --git a/PrintQueue/QueueRowItem.cs b/PrintQueue/QueueRowItem.cs
index 5a6e7b6c9..23afa61f0 100644
--- a/PrintQueue/QueueRowItem.cs
+++ b/PrintQueue/QueueRowItem.cs
@@ -300,7 +300,7 @@ namespace MatterHackers.MatterControl.PrintQueue
 
         public override void OnClosed(EventArgs e)
         {
-            PrintItemWrapper.SlicingOutputMessage -= PrintItem_SlicingOutputMessage;
+            PrintItemWrapper.SlicingOutputMessage.UnregisterEvent(PrintItem_SlicingOutputMessage, ref unregisterEvents);
             if (unregisterEvents != null)
             {
                 unregisterEvents(this, null);
@@ -313,7 +313,7 @@ namespace MatterHackers.MatterControl.PrintQueue
         {
             ActiveTheme.Instance.ThemeChanged.RegisterEvent(onThemeChanged, ref unregisterEvents);
 
-            PrintItemWrapper.SlicingOutputMessage += PrintItem_SlicingOutputMessage;
+            PrintItemWrapper.SlicingOutputMessage.RegisterEvent(PrintItem_SlicingOutputMessage, ref unregisterEvents);
 
             MouseEnterBounds += new EventHandler(PrintQueueItem_MouseEnterBounds);
             MouseLeaveBounds += new EventHandler(PrintQueueItem_MouseLeaveBounds);
diff --git a/SlicerConfiguration/SliceSettingsWidget.cs b/SlicerConfiguration/SliceSettingsWidget.cs
index 90cfaed10..d87d9a13f 100644
--- a/SlicerConfiguration/SliceSettingsWidget.cs
+++ b/SlicerConfiguration/SliceSettingsWidget.cs
@@ -75,54 +75,6 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
         CheckBox showAllDetails;
 
         public SliceSettingsWidget(UiState uiState)
-        {
-            AddControls(uiState);
-        }
-
-        public bool ShowingHelp
-        {
-            get { return showHelpBox.Checked; }
-        }
-
-        public string UserLevel
-        {
-            get 
-            {
-                if (showAllDetails.Checked)
-                {
-                    return "Advanced";
-                }
-
-                return "Beginner"; 
-            }
-        }
-
-        public void CurrentlyActiveCategory(out int index, out string name)
-        {
-            index = categoryTabs.SelectedTabIndex;
-            name = categoryTabs.SelectedTabName;
-        }
-
-        public void CurrentlyActiveGroup(out int index, out string name)
-        {
-            index = 0;
-            name = "";
-
-            TabPage currentPage = categoryTabs.GetActivePage();
-            TabControl currentGroup = null;
-
-            if (currentPage.Children.Count > 0)
-            {
-                currentGroup = currentPage.Children[0] as TabControl;
-            }
-            if (currentGroup != null)
-            {
-                index = currentGroup.SelectedTabIndex;
-                name = currentGroup.SelectedTabName;
-            }
-        }
-
-        void AddControls(UiState uiState)
         {
             int minSettingNameWidth = 220;
             buttonFactory.FixedHeight = 20;
@@ -133,8 +85,8 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
             showHelpBox = new CheckBox(0, 0, LocalizedString.Get("Show Help"), textSize: 10);
             showHelpBox.Checked = UserSettings.Instance.get(SliceSettingsShowHelpEntry) == "true";
 
-			showAllDetails = new CheckBox(0, 0,LocalizedString.Get("Show All Settings"), textSize:10);
-            showAllDetails.Checked = UserSettings.Instance.get(SliceSettingsLevelEntry) == "Advanced";            
+            showAllDetails = new CheckBox(0, 0, LocalizedString.Get("Show All Settings"), textSize: 10);
+            showAllDetails.Checked = UserSettings.Instance.get(SliceSettingsLevelEntry) == "Advanced";
 
             FlowLayoutWidget pageTopToBottomLayout = new FlowLayoutWidget(FlowDirection.TopToBottom, vAnchor: Agg.UI.VAnchor.ParentTop);
             pageTopToBottomLayout.AnchorAll();
@@ -144,14 +96,14 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
             settingsControlBar = new SettingsControlBar();
             pageTopToBottomLayout.AddChild(settingsControlBar);
 
-			noConnectionMessageContainer = new GroupBox(LocalizedString.Get("No Printer Selected"));
+            noConnectionMessageContainer = new GroupBox(LocalizedString.Get("No Printer Selected"));
             noConnectionMessageContainer.Margin = new BorderDouble(top: 10);
             noConnectionMessageContainer.TextColor = ActiveTheme.Instance.PrimaryTextColor;
             noConnectionMessageContainer.BorderColor = ActiveTheme.Instance.PrimaryTextColor;
             noConnectionMessageContainer.HAnchor = Agg.UI.HAnchor.ParentLeftRight;
             noConnectionMessageContainer.Height = 80;
 
-			TextWidget noConnectionMessage = new TextWidget(LocalizedString.Get("No printer is currently selected. Select printer to edit slice settings."));
+            TextWidget noConnectionMessage = new TextWidget(LocalizedString.Get("No printer is currently selected. Select printer to edit slice settings."));
             noConnectionMessage.Margin = new BorderDouble(5);
             noConnectionMessage.TextColor = ActiveTheme.Instance.PrimaryTextColor;
             noConnectionMessage.VAnchor = VAnchor.ParentCenter;
@@ -167,8 +119,8 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
             for (int categoryIndex = 0; categoryIndex < SliceSettingsOrganizer.Instance.UserLevels[UserLevel].CategoriesList.Count; categoryIndex++)
             {
                 OrganizerCategory category = SliceSettingsOrganizer.Instance.UserLevels[UserLevel].CategoriesList[categoryIndex];
-				string categoryPageLabel = LocalizedString.Get (category.Name);
-				TabPage categoryPage = new TabPage(categoryPageLabel);
+                string categoryPageLabel = LocalizedString.Get(category.Name);
+                TabPage categoryPage = new TabPage(categoryPageLabel);
                 SimpleTextTabWidget textTabWidget = new SimpleTextTabWidget(categoryPage, 16,
                         ActiveTheme.Instance.TabLabelSelected, new RGBA_Bytes(), ActiveTheme.Instance.TabLabelUnselected, new RGBA_Bytes());
                 categoryPage.AnchorAll();
@@ -233,7 +185,7 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
                 showHelpBox.Cursor = Cursors.Hand;
                 showHelpBox.CheckedStateChanged += new CheckBox.CheckedStateChangedEventHandler(RebuildSlicerSettings);
 
-				categoryTabs.TabBar.AddChild(showHelpBox);
+                categoryTabs.TabBar.AddChild(showHelpBox);
             }
 
             pageTopToBottomLayout.AddChild(categoryTabs);
@@ -246,6 +198,49 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
             }
         }
 
+        public bool ShowingHelp
+        {
+            get { return showHelpBox.Checked; }
+        }
+
+        public string UserLevel
+        {
+            get 
+            {
+                if (showAllDetails.Checked)
+                {
+                    return "Advanced";
+                }
+
+                return "Beginner"; 
+            }
+        }
+
+        public void CurrentlyActiveCategory(out int index, out string name)
+        {
+            index = categoryTabs.SelectedTabIndex;
+            name = categoryTabs.SelectedTabName;
+        }
+
+        public void CurrentlyActiveGroup(out int index, out string name)
+        {
+            index = 0;
+            name = "";
+
+            TabPage currentPage = categoryTabs.GetActivePage();
+            TabControl currentGroup = null;
+
+            if (currentPage.Children.Count > 0)
+            {
+                currentGroup = currentPage.Children[0] as TabControl;
+            }
+            if (currentGroup != null)
+            {
+                index = currentGroup.SelectedTabIndex;
+                name = currentGroup.SelectedTabName;
+            }
+        }
+
         void RebuildSlicerSettings(object sender, EventArgs e)
         {
             UserSettings.Instance.set(SliceSettingsShowHelpEntry, showHelpBox.Checked.ToString().ToLower());
@@ -279,7 +274,7 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
         private void AddHandlers()
         {
             PrinterCommunication.Instance.ConnectionStateChanged.RegisterEvent(onPrinterStatusChanged, ref unregisterEvents);
-            ActivePrinterProfile.Instance.ActivePrinterChanged.RegisterEvent(onPrinterStatusChanged, ref unregisterEvents);
+            ActivePrinterProfile.Instance.ActivePrinterChanged.RegisterEvent(APP_onPrinterStatusChanged, ref unregisterEvents);
             PrinterCommunication.Instance.EnableChanged.RegisterEvent(onPrinterStatusChanged, ref unregisterEvents);
         }
 
@@ -299,6 +294,12 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
             this.Invalidate();
         }
 
+        private void APP_onPrinterStatusChanged(object sender, EventArgs e)
+        {
+            SetVisibleControls();
+            this.Invalidate();
+        }
+
         private void SetVisibleControls()
         {
             if (ActivePrinterProfile.Instance.ActivePrinter != null)