Hi,
Have you tried a simple CheckComboBox ? something like :
Have you tried a new project without VS Experimental Hive ?
Have you tried in another version of VS, like VS2012 ?
Does the application loads and only the XAML Designer shows the error ?
Have you tried a simple CheckComboBox ? something like :
<xctk:CheckComboBox />
What version of the Toolkit are you using ?Have you tried a new project without VS Experimental Hive ?
Have you tried in another version of VS, like VS2012 ?
Does the application loads and only the XAML Designer shows the error ?