WrapPanel 添加 ScrollViewer

<ScrollViewer VerticalScrollBarVisibility="Auto" Grid.Row="1" >
<WrapPanel Margin="20" HorizontalAlignment="Center" VerticalAlignment="Center">
<usercontrols:UcBarCode CodeTitle="献血条码" Height="80" CodeType="0" Code="{Binding MainCode.DonationID}"></usercontrols:UcBarCode>
<usercontrols:UcBarCode CodeTitle="联袋条码" Height="80" CodeType="0" Visibility="{Binding IsDonid1,Converter={StaticResource BoolToVisCvt}, ConverterParameter=true}" Code="{Binding MainCode.DonationID1}" Margin="0,2" ></usercontrols:UcBarCode>
<usercontrols:UcBarCode CodeTitle="物料码" Height="80" CodeType="3" Visibility="{Binding IsMatielCode,Converter={StaticResource BoolToVisCvt}, ConverterParameter=true}" Code="{Binding MainCode.MaterilCode}" Margin="0,2" ></usercontrols:UcBarCode>
<usercontrols:UcBarCode CodeTitle="冷沉淀产品码" Height="80" CodeType="3" Visibility="{Binding IsCryoProCode,Converter={StaticResource BoolToVisCvt}, ConverterParameter=true}" Code="{Binding MainCode.CryoProCode}" Margin="0,2" ></usercontrols:UcBarCode>
<usercontrols:UcBarCode CodeTitle="血浆产品码" Height="80" CodeType="3" Visibility="{Binding IsPlasmaProCode,Converter={StaticResource BoolToVisCvt}, ConverterParameter=true}" Code="{Binding MainCode.PlasmaProCode}" Margin="0,2" ></usercontrols:UcBarCode>
</WrapPanel>
</ScrollViewer>