Hi paul orsillo,
Straight to your question:
Q: More specifically, if I have an EventManager.RegisterClassHandler to handle MouseLeftButtonDown events will those routed events be routed to my RadDragAndDropManager handlers as well?
A: Even you handle MouseLeftButtonDown event the event will bubble to the RadDragAndDropManager, since it is subscribed for handled events as well. This means that Drag/Drop Info/Query will be raised and will not be affected by handling the mouse events.
Please, let me know if you have any further assistance.
the Telerik team
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