RadListView handles the whole drag and operation by its RadDragDropService. The PreviewDragOver event allows you to control on what targets the cell/item being dragged can be dropped on. The PreviewDragDrop event allows you to get a handle on all the aspects of the drag and drop operation, the source (drag) control, the destination (target) control, as well as the cell/item being dragged. This is where we will initiate the actual physical move of the cell/item(s) from one listview to the target control.
I hope this information helps. Should you have further questions I would be glad to help.
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Check out the Windows Forms project converter, which aids the conversion process from standard Windows Forms applications written in C# or VB to Telerik UI for WinForms.For more information check out this blog post and share your thoughts.