Working on Backup/Restore...

1 files changed, 35 insertions, 20 deletions

diff --git a/Software/Visual_Studio/PPC/Tango.PPC.UI/Navigation/DefaultNavigationManager.cs b/Software/Visual_Studio/PPC/Tango.PPC.UI/Navigation/DefaultNavigationManager.cs
index 77b09f638..fe4be700c 100644
--- a/Software/Visual_Studio/PPC/Tango.PPC.UI/Navigation/DefaultNavigationManager.cs
+++ b/Software/Visual_Studio/PPC/Tango.PPC.UI/Navigation/DefaultNavigationManager.cs
@@ -117,22 +117,22 @@ namespace Tango.PPC.UI.Navigation
                 var fromView = MainView.Instance.NavigationControl.SelectedElement;
                 FrameworkElement toView = null;
 
-                toView = MainView.Instance.NavigationControl.NavigateTo(view.ToString(),() => 
-                {
-                    var fromVM = toView.DataContext as PPCViewModel;
+                toView = MainView.Instance.NavigationControl.NavigateTo(view.ToString(), () =>
+                 {
+                     var fromVM = toView.DataContext as PPCViewModel;
 
-                    if (fromVM != null)
-                    {
-                        fromVM.OnNavigatedFrom();
-                    }
+                     if (fromVM != null)
+                     {
+                         fromVM.OnNavigatedFrom();
+                     }
 
-                    var toVM = toView.DataContext as PPCViewModel;
+                     var toVM = toView.DataContext as PPCViewModel;
 
-                    if (toVM != null)
-                    {
-                        toVM.OnNavigatedTo();
-                    }
-                });
+                     if (toVM != null)
+                     {
+                         toVM.OnNavigatedTo();
+                     }
+                 });
 
                 return Task.FromResult(true);
             }
@@ -251,16 +251,19 @@ namespace Tango.PPC.UI.Navigation
                         {
                             await Task.Delay(100);
 
-                            var v = moduleNavigation.NavigateTo(view, () =>
+                            FrameworkElement v = null;
+
+                            v = moduleNavigation.NavigateTo(view, () =>
                             {
-                                if (fromVM is PPCViewModel)
+                                if (v != null)
                                 {
-                                    (fromVM as PPCViewModel)?.OnNavigatedFrom();
-                                }
+                                    var toVM = v.DataContext as PPCViewModel;
 
-                                if (_currentVM is PPCViewModel)
-                                {
-                                    (_currentVM as PPCViewModel)?.OnNavigatedTo();
+                                    if (toVM != null)
+                                    {
+                                        (fromVM as PPCViewModel)?.OnNavigatedFrom();
+                                        (toVM as PPCViewModel)?.OnNavigatedTo();
+                                    }
                                 }
                             });
 
@@ -284,6 +287,18 @@ namespace Tango.PPC.UI.Navigation
                 }
                 else
                 {
+                    await Task.Delay(500);
+
+                    if (fromVM is PPCViewModel)
+                    {
+                        (fromVM as PPCViewModel)?.OnNavigatedFrom();
+                    }
+
+                    if (_currentVM is PPCViewModel)
+                    {
+                        (_currentVM as PPCViewModel)?.OnNavigatedTo();
+                    }
+
                     NavigationCycleCompleted?.Invoke(fromVM, _currentVM);
                 }
             }