Merge pull request #1213 from Krypton-Suite/alpha-996-KDatagridViewCo…

…mboBoxAdd

- When Re-adding Items, then make sure Collection has been cleared.

Documents/Help/Changelog.md

@@ -3,6 +3,7 @@
 =======
 
 ## 2024-11-xx - Build 2411 - November 2024
+* Resolved [#996](https://github.com/Krypton-Suite/Standard-Toolkit/issues/996), DataGridView ComboBox Adding list over and over
 * Resolved [#1207](https://github.com/Krypton-Suite/Standard-Toolkit/issues/1207), Microsoft 365 - Black (Dark Mode) Drop button is not visible
 * Resolved [#1206](https://github.com/Krypton-Suite/Standard-Toolkit/issues/1206), Remove the Font Size (as it is already covered by the actual font !)
 * Resolved [#1197](https://github.com/Krypton-Suite/Standard-Toolkit/issues/1197), `KryptonTaskDialog` Footer Images
@@ -29,6 +30,7 @@
 * Resolved issue where `Sparkle` themes would crash when using certain `ButtonSpecs`
 * Resolved [#1174](https://github.com/Krypton-Suite/Standard-Toolkit/issues/1174), Unable to adjust height of `KryptonForm` when `KryptonRibbon` is added
     - _Note:_ This disables features from [#1117](https://github.com/Krypton-Suite/Standard-Toolkit/issues/1117), until further testing is completed
+    * Backed-out [#1117](https://github.com/Krypton-Suite/Standard-Toolkit/issues/1117),  Is it possible to have the KForm back colour as the KPanel colour
 
 =======
 

Source/Krypton Components/Krypton.Ribbon/Controls Ribbon/KryptonGallery.cs

@@ -107,7 +107,7 @@ public KryptonGallery()
 
             // Create content storage
             Images = new GalleryImages(NeedPaintDelegate);
-            DropButtonRanges = new KryptonGalleryRangeCollection();
+            DropButtonRanges = [];
 
             // Create the palette storage
             StateCommon = new PaletteGalleryRedirect(Redirector!, NeedPaintDelegate);

Source/Krypton Components/Krypton.Ribbon/Controls Ribbon/KryptonRibbon.cs

@@ -2647,19 +2647,19 @@ private void CreateInternal()
 
         private void CreateRibbonCollections()
         {
-            RibbonContexts = new KryptonRibbonContextCollection();
+            RibbonContexts = [];
             RibbonContexts.Clearing += OnRibbonContextsClearing;
             RibbonContexts.Cleared += OnRibbonContextsCleared;
             RibbonContexts.Inserted += OnRibbonContextsInserted;
             RibbonContexts.Removed += OnRibbonContextsRemoved;
 
-            RibbonTabs = new KryptonRibbonTabCollection();
+            RibbonTabs = [];
             RibbonTabs.Clearing += OnRibbonTabsClearing;
             RibbonTabs.Cleared += OnRibbonTabsCleared;
             RibbonTabs.Inserted += OnRibbonTabsInserted;
             RibbonTabs.Removed += OnRibbonTabsRemoved;
 
-            QATButtons = new KryptonRibbonQATButtonCollection();
+            QATButtons = [];
             QATButtons.Clearing += OnRibbonQATButtonsClearing;
             QATButtons.Cleared += OnRibbonQATButtonsCleared;
             QATButtons.Inserted += OnRibbonQATButtonsInserted;

Source/Krypton Components/Krypton.Ribbon/Controls Ribbon/KryptonRibbonGroup.cs

@@ -116,7 +116,7 @@ public KryptonRibbonGroup()
             _maximumWidth = -1;
 
             // Create collection for holding child items
-            Items = new KryptonRibbonGroupContainerCollection();
+            Items = [];
             Items.Clearing += OnRibbonGroupItemsClearing;
             Items.Cleared += OnRibbonGroupItemsCleared;
             Items.Inserted += OnRibbonGroupItemsInserted;

Source/Krypton Components/Krypton.Ribbon/Controls Ribbon/KryptonRibbonTab.cs

@@ -69,7 +69,7 @@ public KryptonRibbonTab()
             _visible = true;
 
             // Create the collection for defining groups
-            Groups = new KryptonRibbonGroupCollection();
+            Groups = [];
             Groups.Clearing += OnRibbonGroupsClearing;
             Groups.Cleared += OnRibbonGroupsCleared;
             Groups.Inserted += OnRibbonGroupsInserted;

Source/Krypton Components/Krypton.Ribbon/Controls Visuals/KeyTipControl.cs

@@ -68,7 +68,7 @@ public KeyTipControl(KryptonRibbon ribbon,
         public void SetKeyTips(KeyTipInfoList keyTips)
         {
             // Create a new list of key tip views
-            _viewList = new List<ViewDrawRibbonKeyTip>();
+            _viewList = [];
 
             var enclosingRect = Rectangle.Empty;
 

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonDesigner.cs

@@ -137,7 +137,7 @@ public override DesignerVerbCollection Verbs
                 // Create verbs first time around
                 if (_verbs == null)
                 {
-                    _verbs = new DesignerVerbCollection();
+                    _verbs = [];
                     _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                     _addTabVerb = new DesignerVerb(@"Add Tab", OnAddTab);
                     _clearTabsVerb = new DesignerVerb(@"Clear Tabs", OnClearTabs);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupButtonDesigner.cs

@@ -123,7 +123,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move Button First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move Button Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupCheckBoxDesigner.cs

@@ -120,7 +120,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move CheckBox First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move CheckBox Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupClusterButtonDesigner.cs

@@ -123,7 +123,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move Cluster Button First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move Cluster Button Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupClusterColorButtonDesigner.cs

@@ -123,7 +123,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move Cluster Color Button First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move Cluster Color Button Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupClusterDesigner.cs

@@ -140,7 +140,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move Cluster First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move Cluster Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupColorButtonDesigner.cs

@@ -123,7 +123,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move Color Button First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move Color Button Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupComboBoxDesigner.cs

@@ -187,7 +187,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move ComboBox First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move ComboBox Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupCustomControlDesigner.cs

@@ -184,7 +184,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move Custom Control First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move Custom Control Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupDateTimePickerDesigner.cs

@@ -187,7 +187,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move DateTimePicker First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move DateTimePicker Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupDesigner.cs

@@ -150,7 +150,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move Group First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move Group Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupDomainUpDownDesigner.cs

@@ -187,7 +187,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move DomainUpDown First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move DomainUpDown Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupGalleryDesigner.cs

@@ -196,7 +196,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move Gallery First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move Gallery Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupLabelDesigner.cs

@@ -117,7 +117,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move Label First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move Label Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupLinesDesigner.cs

@@ -202,7 +202,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move Lines First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move Lines Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupMaskedTextBoxDesigner.cs

@@ -187,7 +187,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move TextBox First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move TextBox Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupNumericUpDownDesigner.cs

@@ -186,7 +186,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move NumericUpDown First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move NumericUpDown Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupRadioButtonDesigner.cs

@@ -118,7 +118,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move RadioButton First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move RadioButton Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupRichTextBoxDesigner.cs

@@ -187,7 +187,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move RichTextBox First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move RichTextBox Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupSeparatorDesigner.cs

@@ -116,7 +116,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move Separator First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move Separator Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupTextBoxDesigner.cs

@@ -187,7 +187,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move TextBox First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move TextBox Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupThemeComboBoxDesigner.cs

@@ -182,7 +182,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move ComboBox First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move ComboBox Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupTrackBarDesigner.cs

@@ -187,7 +187,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move TrackBar First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move TrackBar Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonGroupTripleDesigner.cs

@@ -200,7 +200,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move Triple First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move Triple Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Designers/Designers/KryptonRibbonTabDesigner.cs

@@ -142,7 +142,7 @@ private void UpdateVerbStatus()
             // Create verbs first time around
             if (_verbs == null)
             {
-                _verbs = new DesignerVerbCollection();
+                _verbs = [];
                 _toggleHelpersVerb = new DesignerVerb(@"Toggle Helpers", OnToggleHelpers);
                 _moveFirstVerb = new DesignerVerb(@"Move First", OnMoveFirst);
                 _movePrevVerb = new DesignerVerb(@"Move Previous", OnMovePrevious);

Source/Krypton Components/Krypton.Ribbon/Group Contents/KryptonRibbonGroupCluster.cs

@@ -74,7 +74,7 @@ public KryptonRibbonGroupCluster()
             _visible = true;
 
             // Create collection for holding triple items
-            Items = new KryptonRibbonGroupClusterCollection();
+            Items = [];
             Items.Clearing += OnRibbonGroupClusterClearing;
             Items.Cleared += OnRibbonGroupClusterCleared;
             Items.Inserted += OnRibbonGroupClusterInserted;

Source/Krypton Components/Krypton.Ribbon/Group Contents/KryptonRibbonGroupClusterColorButton.cs

@@ -157,7 +157,7 @@ public KryptonRibbonGroupClusterColorButton()
             _imageSmall = _defaultButtonImageSmall;
             _buttonType = GroupButtonType.Split;
             _maxRecentColors = 10;
-            _recentColors = new List<Color>();
+            _recentColors = [];
 
             // Create the context menu items
             _kryptonContextMenu = new KryptonContextMenu();

Source/Krypton Components/Krypton.Ribbon/Group Contents/KryptonRibbonGroupColorButton.cs

@@ -164,7 +164,7 @@ public KryptonRibbonGroupColorButton()
             _itemSizeMin = GroupItemSize.Small;
             _itemSizeCurrent = GroupItemSize.Large;
             _maxRecentColors = 10;
-            _recentColors = new List<Color>();
+            _recentColors = [];
 
             // Create the context menu items
             _kryptonContextMenu = new KryptonContextMenu();

Source/Krypton Components/Krypton.Ribbon/Group Contents/KryptonRibbonGroupItem.cs

@@ -211,7 +211,7 @@ protected bool ChainVisible
         [AllowNull]
         public BindingContext BindingContext
         {
-            get => _bindingContext ??= new BindingContext();
+            get => _bindingContext ??= [];
             set => _bindingContext = value;
         }
 

Source/Krypton Components/Krypton.Ribbon/Group Contents/KryptonRibbonGroupLines.cs

@@ -167,7 +167,7 @@ public KryptonRibbonGroupLines()
             _itemSizeCurrent = GroupItemSize.Large;
 
             // Create collection for holding triple items
-            Items = new KryptonRibbonGroupLinesCollection();
+            Items = [];
             Items.Clearing += OnRibbonGroupLineClearing;
             Items.Cleared += OnRibbonGroupLineCleared;
             Items.Inserted += OnRibbonGroupLineInserted;

Source/Krypton Components/Krypton.Ribbon/Group Contents/KryptonRibbonGroupTriple.cs

@@ -167,7 +167,7 @@ public KryptonRibbonGroupTriple()
             _itemAlignment = RibbonItemAlignment.Near;
 
             // Create collection for holding triple items
-            Items = new KryptonRibbonGroupTripleCollection();
+            Items = [];
             Items.Clearing += OnRibbonGroupTripleClearing;
             Items.Cleared += OnRibbonGroupTripleCleared;
             Items.Inserted += OnRibbonGroupTripleInserted;

Source/Krypton Components/Krypton.Ribbon/Palette/RibbonAppButton.cs

@@ -71,7 +71,7 @@ public RibbonAppButton([DisallowNull] KryptonRibbon ribbon)
             };
             _appButtonImage = _defaultAppImage;
             AppButtonSpecs = new AppMenuButtonSpecCollection(ribbon);
-            AppButtonRecentDocs = new KryptonRibbonRecentDocCollection();
+            AppButtonRecentDocs = [];
             AppButtonToolTipTitle = string.Empty;
             AppButtonToolTipBody = string.Empty;
             AppButtonToolTipImageTransparentColor = Color.Empty;

Source/Krypton Components/Krypton.Ribbon/View Layout/ViewLayoutRibbonContextTitles.cs

@@ -48,7 +48,7 @@ public ViewLayoutRibbonContextTitles([DisallowNull] KryptonRibbon ribbon,
             _captionArea = captionArea;
 
             // Create cache of draw elements
-            _contextTitlesCache = new ViewDrawRibbonContextTitleList();
+            _contextTitlesCache = [];
         }
 
         /// <summary>

Source/Krypton Components/Krypton.Ribbon/View Layout/ViewLayoutRibbonGroupContent.cs

@@ -355,7 +355,7 @@ public GroupSizeWidth[] GetPossibleSizes(ViewLayoutContext context)
             SyncChildrenToRibbonGroupItems();
 
             // Get the permutations available for each child container
-            _listWidths = new List<ItemSizeWidth[]>();
+            _listWidths = [];
 
             // Scan all child containers
             var pixelGaps = 0;