If you are setting Bar.Text property on dockable bar (LayoutType=DockContainer) and your values do not appear on screen or appear that they are not serialized check the setting of the Bar.AutoSyncBarCaption property.

AutoSyncBarCaption property is by default set to true which indicates to the dockable bar that its caption should be automatically set to the selected dockable tab text (DockContainerItem.Text property). Thus any changes that you make to the Bar.Text do not get shown on the screen.

You can set  Bar.AutoSyncBarCaption=false to disable this functionality.

Related posts:

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  2. How to access dockable bar AutoHidePanel
  3. Changing DockContainerItem.Visible
  4. Data Binding on undocked/floating Bars, dockable windows
  5. Working with DotNetBar from code.