I think that if i set IsEnabled property on an OutlookBarItem to false, the background is not grey so users don't know the item is disabled.
Have i to edit the style to achieve that ?
You can edit the ControlTemplate of the RadOutlookBarItems and change the visual appearance of the DisabledVisual Border elements. You can find more info about editing the ControlTemplate of the RadControls here.
I also attached a sample project to get you started. Let me know if I can further assist you.
Greetings,
Tina Stancheva
the Telerik team
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