1 files changed, 10 insertions, 6 deletions
diff --git a/Software/Visual_Studio/PPC/Tango.PPC.UI/Views/LayoutView.xaml.cs b/Software/Visual_Studio/PPC/Tango.PPC.UI/Views/LayoutView.xaml.cs
index 883d3f893..b87f14b89 100644
--- a/Software/Visual_Studio/PPC/Tango.PPC.UI/Views/LayoutView.xaml.cs
+++ b/Software/Visual_Studio/PPC/Tango.PPC.UI/Views/LayoutView.xaml.cs
@@ -30,7 +30,7 @@ namespace Tango.PPC.UI.Views
     {
         public static LayoutView Instance { get; private set; }
         private LayoutViewVM _vm;
-        private DispatcherTimer _timer;
+        private System.Timers.Timer _timer;
 
         public LayoutView()
         {
@@ -39,9 +39,9 @@ namespace Tango.PPC.UI.Views
             Loaded += (_, __) => _vm = DataContext as LayoutViewVM;
             techPressElement.RegisterForPreviewMouseOrTouchDown(OnMouseOrTouchDown);
             techPressElement.RegisterForPreviewMouseOrTouchUp(OnMouseOrTouchUp);
-            _timer = new DispatcherTimer();
-            _timer.Interval = TimeSpan.FromSeconds(10);
-            _timer.Tick += _timer_Tick;
+            _timer = new System.Timers.Timer();
+            _timer.Interval = TimeSpan.FromSeconds(10).TotalMilliseconds;
+            _timer.Elapsed += _timer_Elapsed;
 
             this.PreviewMouseUp += LayoutView_PreviewMouseUp;
         }
@@ -51,10 +51,14 @@ namespace Tango.PPC.UI.Views
             _vm.ApplicationManager.ResetScreenLockTimer();
         }
 
-        private void _timer_Tick(object sender, EventArgs e)
+        private void _timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
         {
             _timer.Stop();
-            _vm.ToggleTechnicianMode();
+
+            Dispatcher.BeginInvoke(new Action(() =>
+            {
+                _vm.ToggleTechnicianMode();
+            }));
         }
 
         private void OnMouseOrTouchDown(object sender, MouseOrTouchEventArgs e)