i can't seem to read the files from a drag and drop while dragging
println("YYYYYYYYYYYYYYY11:drag_value=" + drag_value)
println("YYYYYYYYYYYYYYY22:drag_value=" + drag_value!!.dragData)
println("YYYYYYYYYYYYYYY33:drag_value=" + drag_value!!.dragData as DragData.FilesList)
println("YYYYYYYYYYYYYYY44:drag_value=" + (drag_value!!.dragData as DragData.FilesList).readFiles())
the last one always gives an exception. is that not possible? i like to make a preview while dargging