Inserts item into store at position. item must be of type
item-type or derived from it. position must be smaller
than the length of the list, or equal to it to append.
This function takes a ref on item.
Use ListStore.splice to insert multiple items at the same time
efficiently.
Inserts item into store at position. item must be of type item-type or derived from it. position must be smaller than the length of the list, or equal to it to append.
This function takes a ref on item.
Use ListStore.splice to insert multiple items at the same time efficiently.