更新时间:2023-10-08 11:39:58
我认为您有一个List< van>绑定到名为VanComboBox的ComboBox-您要查找的命令是:
I assume you have a List<van> bound to ComboBox called, say, VanComboBox - the command you are looking for is:
((Van)VanComboBox.SelectedItem).Deliveries.Add(DeliveryItem)