Controlling Cursor/Text during Drag FROM TreeView

When I drag an item from a tree view, the default behaviour is that
the icon and text of that node becomes part of the drag cursor. If
it's a long text or some thing, the drag is not smooth but slow and
jerky due to heavy screen updates required. Is there any way to
control the text and/or image that becomes part of the drag cursor?
To change the font of the text? It's length?

Any help will be greatly appreciated.

Thanks and Regards,
Nasir (