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  [Expand]DevExpress.DataAccess.UI.Design
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  [Expand]DevExpress.XtraBars
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  [Expand]DevExpress.XtraGrid
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  [Collapse]DevExpress.XtraNavBar
   [Expand]Collection Class
   [Expand]CollectionItemEventArgs Class
    CollectionItemEventHandler Delegate
   [Expand]ComponentCollectionItem Class
   [Expand]ICollectionItem Interface
    LinkSelectionModeType Enumeration
   [Expand]NavBarAppearances Class
   [Expand]NavBarCalcGroupClientHeightEventArgs Class
    NavBarCalcGroupClientHeightEventHandler Delegate
   [Expand]NavBarCalcHintSizeEventArgs Class
    NavBarCalcHintSizeEventHandler Delegate
   [Collapse]NavBarControl Class
     NavBarControl Members
     NavBarControl Constructor
    [Collapse]NavBarControl Properties
      ActiveGroup Property
      ActiveGroupName Property
      AllowDrop Property
      AllowGlyphSkinning Property
      AllowHorizontalResizing Property
      AllowHtmlString Property
      AllowSelectedLink Property
      Appearance Property
      AvailableNavBarViews Property
      BackgroundImage Property
      BackgroundImageLayout Property
      BorderStyle Property
      ContentButtonHint Property
      Cursor Property
      DragDropFlags Property
      EachGroupHasSelectedLink Property
      ExplorerBarGroupInterval Property
      ExplorerBarGroupOuterIndent Property
      ExplorerBarShowGroupButtons Property
      ExplorerBarStretchLastGroup Property
      FireDelayedSelectedLinkChangedEvent Property
      GroupBackgroundImage Property
      Groups Property
      GroupTextureBackgroundBrush Property
      HideGroupCaptions Property
      HotTrackedGroup Property
      HotTrackedGroupCursor Property
      HotTrackedItemCursor Property
      HotTrackedLink Property
      HtmlImages Property
      IsDesignMode Property
      IsLoading Property
      Items Property
      LargeImages Property
      LayoutVersion Property
      LinkInterval Property
      LinkSelectionMode Property
      LookAndFeel Property
      MenuManager Property
      MinimumSize Property
      NavigationPaneGroupClientHeight Property
      NavigationPaneMaxVisibleGroups Property
      NavigationPaneOverflowPanelUseSmallImages Property
      NavPaneForm Property
      OptionsLayout Property
      OptionsNavPane Property
      PaintAppearance Property
      PaintStyleKind Property
      PaintStyleName Property
      PressedGroup Property
      PressedLink Property
      ScaleImages Property
      ScrollMode Property
      SelectedLink Property
      SelectLinkOnPress Property
      SharedImageCollectionImageSizeMode Property
      ShowGroupHint Property
      ShowHintInterval Property
      ShowIcons Property
      ShowLinkHint Property
      SkinExplorerBarViewScrollStyle Property
      SmallImages Property
      State Property
      StoreDefaultPaintStyleName Property
      SuspendFormLayoutInAnimation Property
      TabStop Property
      ToolTipController Property
      View Property
      ViewName Property
    [Expand]NavBarControl Events
    [Expand]NavBarControl Methods
   [Expand]NavBarCustomDrawHintEventArgs Class
    NavBarCustomDrawHintEventHandler Delegate
   [Expand]NavBarCustomHintEventArgs Class
    NavBarDragDrop Enumeration
   [Expand]NavBarGetHintEventArgs Class
    NavBarGetHintEventHandler Delegate
   [Expand]NavBarGroup Class
   [Expand]NavBarGroupControlContainer Class
   [Expand]NavBarGroupEventArgs Class
    NavBarGroupEventHandler Delegate
    NavBarGroupStyle Enumeration
   [Expand]NavBarHitInfo Class
    NavBarHitTest Enumeration
    NavBarImage Enumeration
   [Expand]NavBarItem Class
   [Expand]NavBarItemLink Class
   [Expand]NavBarLayoutOptions Class
   [Expand]NavBarLinkEventArgs Class
    NavBarLinkEventHandler Delegate
    NavBarState Enumeration
    NavBarStringId Enumeration
    NavBarViewKind Enumeration
   [Expand]NavElement Class
   [Expand]NavGroupCollection Class
   [Expand]NavItemCollection Class
   [Expand]NavLinkCollection Class
    NavPaneState Enumeration
   [Expand]NavReadOnlyLinkCollection Class
   [Expand]OptionsNavPane Class
    SkinExplorerBarViewScrollStyle Enumeration
  [Expand]DevExpress.XtraNavBar.ViewInfo
  [Expand]DevExpress.XtraPdfViewer
  [Expand]DevExpress.XtraPdfViewer.Commands
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 End-User Documentation

NavBarControl.LayoutVersion Property

Gets or sets the version of the control's layout.

Namespace:DevExpress.XtraNavBar
Assembly:DevExpress.XtraNavBar.v17.1.dll

Expanded Syntax

Property value

Type: String
A string representing the version of the control's layout.
The default is String.Empty.

Expanded Remarks

You should assign versions to layouts if you need to customize the control after an earlier version of the control's layout has been loaded and applied to the control.

Consider an example. Suppose an earlier version of an application contained a NavBarControl with a single group (Group1). When running the application an end-user saved the NavBarControl's layout to an XML file. Then a new version of the application was designed. For instance, it added another group (Group2). By default, when the previously saved layout is loaded within the new application the current layout of the control will be overridden. Therefore only Group1 will be visible. The second group will be hidden.

To allow end-users to work with previously saved layouts and ensure that new features aren't lost and new groups and items will still be visible after old layouts have been loaded you should do the following:

  • When designing a new version of the control's layout set the version via the LayoutVersion property. At the least, you need to ensure that the version of the current control's layout differs from that of the saved layouts.
  • Handle the BarManager.LayoutUpgrade event to implement a routine that will upgrade old layouts. This event occurs after a previously saved layout has been loaded and only if its version doesn't match the version of the current control's layout. For the above example you could handle the LayoutUpgrade event to display the hidden group (Group2) in a specific position.

Expanded See Also

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