Hi kevin,
Thanks for your interests in Syncfusion products.
We could not able to reproduce your mentioned issue, we suspect that there might be some problem with the name space your referring to. Kindly try with the following set of the code snippet and please let us know still if you have any difficulties.
[XAML Code]
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:syncfusion="http://schemas.syncfusion.com/wpf"
Width="800" Height="600" WindowStartupLocation="CenterScreen"
WindowState="Normal" WindowStyle="SingleBorderWindow"
syncfusion:Ribbon.ActiveColorScheme="Blue">
Please let us know if you have any queries.
Regards,
Bala.
Tools.WPF Team
Syncfusion Inc.,