下拉框

下拉框 (ComboBox)

<ComboBox Width="256" ItemsSource="{Binding Items}" SelectedIndex="0" MaxDropDownHeight="256"></ComboBox>

多选下拉框 (MultiSelectionComboBox)

<ui:MultiSelectionComboBox Width="328" ItemsSource="{Binding Items}"></ui:MultiSelectionComboBox>