【WPF】ScrollViewer can't scroll?

original xmal:

                    <ScrollViewer Canvas.Right="20" Canvas.Top="10" CanContentScroll="True">
                        <DataGrid  Name="data" Canvas.Right="50" Canvas.Top="0" IsReadOnly="True">
                            <DataGrid.Columns>
                                <DataGridTextColumn Header="CLASS" Binding="{Binding Path=Class}"/>
                                <DataGridTextColumn Header="ENTRY NO." Binding="{Binding Path=EntryNo}"/>
                                <DataGridTextColumn Header="FEE" Binding="{Binding Path=fee}"/>
                            </DataGrid.Columns>
                        </DataGrid>
                    </ScrollViewer>

【C#】Duplicate Object

日前因工作需要做了一個不開VisualeBios build code的Tool， 因需要一次build好幾個project，所以在ui上要能有複製物件的功能，才不用在那邊拉元件拉個半死 成果如下:
複製方法如以下連結
參考來源: https://stackoverflow.com/questions/4544657/duplicate-group-box