TreeView.enableModelDragSource
void enableModelDragSource(gdk.types.ModifierType startButtonMask, gtk.target_entry.TargetEntry[] targets, gdk.types.DragAction actions)Turns tree_view into a drag source for automatic DND. Calling this method sets #GtkTreeView:reorderable to false.
Parameters
startButtonMask | Mask of allowed buttons to start drag |
targets | the table of targets that the drag will support |
actions | the bitmask of possible actions for a drag from this widget |