Changes store by removing n_removals items and adding n_additions
items to it. additions must contain n_additions items of type
item-type.NULL is not permitted.
This function takes a ref on each item in additions.
The parameters position and n_removals must be correct (ie:
position + n_removals must be less than or equal to the length of
the list at the time this function is called).
Changes store by removing n_removals items and adding n_additions items to it. additions must contain n_additions items of type item-type. NULL is not permitted.
This function is more efficient than ListStore.insert and ListStore.remove, because it only emits items-changed once for the change.
This function takes a ref on each item in additions.
The parameters position and n_removals must be correct (ie: position + n_removals must be less than or equal to the length of the list at the time this function is called).