aktueller Stand

FasdDesktopUi/Basics/Services/SupportCase/SupportCase.cs

@@ -237,7 +237,8 @@ namespace FasdDesktopUi.Basics.Services.SupportCase
 
                     foreach (var column in table.Columns.Values)
                     {
-                        column.Values[0] = null;
+                        if (column.Values != null && column.Values.Count > 0)
+                            column.Values[0] = null;
                         column.IsIncomplete = true;
                     }
 
@@ -253,7 +254,8 @@ namespace FasdDesktopUi.Basics.Services.SupportCase
 
                     foreach (var column in table.Columns.Values)
                     {
-                        column.Values[0] = null;
+                        if (column.Values != null && column.Values.Count > 0)
+                            column.Values[0] = null;
                         column.IsIncomplete = true;
                     }
                 }

FasdDesktopUi/Basics/UserControls/HierarchicalSelectionControl.xaml

@@ -105,10 +105,12 @@
                                     Padding="4"
                                     BorderBrush="{DynamicResource BackgroundColor.Menu.SubCategory.Hover}"
                                     BorderThickness="1">
-                                <ScrollViewer MaxHeight="320"
+                                <ScrollViewer x:Name="PART_CategoryScrollViewer"
+                                              MaxHeight="320"
                                               VerticalScrollBarVisibility="Auto"
                                               Background="Transparent"
-                                              BorderThickness="0">
+                                              BorderThickness="0"
+                                              PreviewMouseWheel="CategoryScrollViewer_PreviewMouseWheel">
                                     <TreeView x:Name="PART_TreeView"
                                               Background="Transparent"
                                               BorderThickness="0"

FasdDesktopUi/Basics/UserControls/HierarchicalSelectionControl.xaml.cs

@@ -22,6 +22,7 @@ namespace FasdDesktopUi.Basics.UserControls
 
         private TextBox searchTextBox;
         private TreeView treeViewControl;
+        private ScrollViewer categoryScrollViewer;
 
         public ObservableCollection<HierarchicalSelectionItem> VisibleItems => visibleItems;
 
@@ -255,6 +256,48 @@ namespace FasdDesktopUi.Basics.UserControls
                 if (searchTextBox != null)
                     searchTextBox.TextChanged += SearchTextBox_TextChanged;
             }
+
+            if (categoryScrollViewer == null)
+            {
+                categoryScrollViewer = ComboBoxControl.Template.FindName("PART_CategoryScrollViewer", ComboBoxControl) as ScrollViewer;
+            }
+        }
+
+        private void CategoryScrollViewer_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
+        {
+            var scroller = categoryScrollViewer ?? sender as ScrollViewer;
+            if (scroller == null || scroller.ScrollableHeight <= 0)
+                return;
+
+            var lines = SystemParameters.WheelScrollLines;
+            if (lines < 0)
+            {
+                if (e.Delta < 0)
+                    scroller.PageDown();
+                else
+                    scroller.PageUp();
+                e.Handled = true;
+                return;
+            }
+
+            if (lines == 0)
+            {
+                scroller.ScrollToVerticalOffset(scroller.VerticalOffset - e.Delta);
+                e.Handled = true;
+                return;
+            }
+
+            var direction = e.Delta < 0 ? 1 : -1;
+            var stepCount = Math.Max(1, Math.Abs(e.Delta) / 120) * lines;
+            for (var i = 0; i < stepCount; i++)
+            {
+                if (direction > 0)
+                    scroller.LineDown();
+                else
+                    scroller.LineUp();
+            }
+
+            e.Handled = true;
         }
 
         private void UpdateDisplaySelection()

FasdDesktopUi/Pages/DetailsPage/DetailsPageView.xaml.cs

@@ -423,6 +423,11 @@ namespace FasdDesktopUi.Pages.DetailsPage
         #region BlurBorder Click
 
         private void BlurBorder_Click()
+        {
+            BlurBorder_Click(keepTicketCompletion: false);
+        }
+
+        private void BlurBorder_Click(bool keepTicketCompletion)
         {
             try
             {
@@ -447,6 +452,9 @@ namespace FasdDesktopUi.Pages.DetailsPage
                     {
                         foreach (var blurInvoker in BlurInvokers.ToArray())
                         {
+                            if (keepTicketCompletion && blurInvoker is TicketCompletion.TicketCompletion)
+                                continue;
+
                             if (blurInvoker is Window blurInvokerWindow)
                                 blurInvokerWindow.Hide();
                         }
@@ -1040,7 +1048,7 @@ namespace FasdDesktopUi.Pages.DetailsPage
                 Dispatcher.Invoke(UpdateHistoryWidth);
 
                 if (e is BooleanEventArgs booleanArgs && booleanArgs.BooleanArg is true)
-                    BlurBorder_Click();
+                    BlurBorder_Click(keepTicketCompletion: true);
 
                 isDataChangedEventRunning = false;