Sets the target types that this widget can accept from drag-and-drop. The widget must first be made into a drag destination with gtk_drag_dest_set().
a GtkWidget that's a drag destination
list of droppable targets, or NULL for none. [allow-none]
See Implementation
Sets the target types that this widget can accept from drag-and-drop. The widget must first be made into a drag destination with gtk_drag_dest_set().