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!
SfDiagram has support to show preview while dragging the
Node and Connector. This preview will always be a path and its appearance can
be customized using Style.
Support has to be provided to host custom Image, Controls,
or any UIElement (using DataTemplate) instead of the path for this preview
dragging.