Welcome to the WPF feedback portal. We’re happy you’re here! If you have feedback on how to improve the WPF, we’d love to hear it!>
Thanks for joining our community and helping improve Syncfusion products!
If the view model class (data context) is created separately in code
and assigns to the window before it is shown, the window with an empty
CheckListbox control will crash with NullReferenceException. Please run
the sample app for a demo. It doesn't crash in version 26.x.x.