When the control is in minimized state and the items do not have an icon, the headers are not visible.

This happens  whether there is available space in the active area are not. All items are rendered in the minimized area.

To work this around you can set the IsContentPreserved property after the control is loaded.


The fix for this issue will be available with the next LIB (version 2018.3.1224) expected on Monday, December 24.

The style of the items that are contained in the dropdown content of the overflow button cannot be edited.

The Metro theme isn't properly applied on the RadOutlookBarItems if it is set in the RadOutlookBar definition:
<telerik:RadOutlookBar telerik:StyleManager.Theme="Metro" />

As a workaround, you can add a custom Margin and Padding to the MinimizedOutlookBarItems:

<Style TargetType="outlookBarPrimitives:MinimizedOutlookBarItem">
    <Setter Property="Padding" Value="5" />
    <Setter Property="Margin" Value="2" />
</Style>

Where xmlns:outlookBarPrimitives="clr-namespace:Telerik.Windows.Controls.OutlookBar;assembly=Telerik.Windows.Controls.Navigation".

Tab navigation is not working inside OutlookBar.

DECLINED: Duplicated with https://feedback.telerik.com/Project/143/Feedback/Details/113083-outlookbar-tab-navigation-is-not-working

Available in LIB version 2017.3.1113, it will be also available in the R1 2018 Release.

When the OutlookBar is minimized during run-time change of themes the text set to item's header overlaps the minimizing toggle button.

You can work this around by creating a custom control that derives from RadOutlookBar and override its OnApplyTemplate() method. Inside the method call the protected VisualStateChanged() method.

public class CustomOutlookBar : RadOutlookBar
{
	public override void OnApplyTemplate()
	{
		base.OnApplyTemplate();
		this.ChangeVisualState(false);
	}
}

Available in the R1 2017 SP1 Release.

Add the posibilty for the RadOutlookBar control to have Width less than the specified MinWidth, when Minimized.

OutlookBar: Visual state of selected items in not correct

 Clicking on MinimizedOutlookBarItem when there is Visibility set to Collapsed on one of the items, the RadOutlookBar selects different item.

The foreground of the content in the pop-up when the OutlookBar is minimized in Windows8 (Metro) and Windows8Touch themes is wrong - it is white like the background.

Tooltip is shown on horizontal splitter when ActiveItemsMaxCount = 0 but it shouldn't show since the splitter cannot be moved

The ActiveItemsCount is not working

When the ItemsSource of the control is populated from a background thread, users are not allowed to manually set the position of the horizontal splitter.

The DisplayMemberPath property is not respected

Workaround:
Use an implicit style targeting RadOutlookBarItem instead of the DisplayMemberPath property. You can define the style in the xaml page (the view) where the RadOutlookBar control is defined.

<Window.Resources>
    <Style TargetType="telerik:RadOutlookBarItem">
        <Setter Property="Header" Value="{Binding ItemHeader}" />
    </Style>
</Window.Resources>

When the OutlookBar is minimized and you click the right splitter without moving it. Then the outlookbar is still minimized does not expand to the previous expanded position

When the selected item is Collapsed, the RadOutlookBar still displays its content and Title

TabIndex/Tab navigation is not working inside OutlookBar.