wpf ComboBox绑定Dictionary数据源

UI界面代码

<ComboBox Height="23" Name="cbHingeAvoidance" Width="250" />

后台代码

Dictionary<int, string> HingeAvoidancedic = new Dictionary<int, string>();
HingeAvoidancedic.Add(1, "铰链避让板件");
HingeAvoidancedic.Add(2, "板件避让铰链");
HingeAvoidancedic.Add(3, "产品内缩避让");
cbHingeAvoidance.SelectedValuePath = "Key";
cbHingeAvoidance.DisplayMemberPath = "Value";
cbHingeAvoidance.ItemsSource = HingeAvoidancedic;
cbHingeAvoidance.SelectedValue = 1;

界面显示效果