摘要：
1.绑定父控件的属性.1 <ContextMenu x:Key="ContextMenuColoum">2 <MenuItem Header="复制" Tag="{Binding Path=Text,RelativeSource={ RelativeSource Mode=FindAncestor, AncestorType={x:Type TextBlock}, AncestorLevel=1 }}" Click="MenCopy_Click" >3 <MenuItem.Comman 阅读全文
