get_selection
Description:
Gets the set containing all currently selected items in the model.
This function may be slow, so if you are only interested in single item, consider using is_selected or if you are only interested in a few consider get_selection_in_range.
Parameters:
this |
Returns:
a Bitset containing all the values currently selected in this. If no items are selected, the bitset is empty. The bitset must not be modified. |