Function gtk_sys::gtk_tree_view_enable_model_drag_source

pub unsafe extern "C" fn gtk_tree_view_enable_model_drag_source(
    tree_view: *mut GtkTreeView,
    start_button_mask: GdkModifierType,
    targets: *const GtkTargetEntry,
    n_targets: c_int,
    actions: GdkDragAction
)