zoukankan html css js c++ java

MVVM datatemplate 下button.contextmenu的command 失效解决方案

 1 <Button CommandParameter="{Binding}"
 2 Tag="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type pagesView:OutputPage}}}"
 3 Command = "{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type pagesView:OutputPage}}, Path=DataContext.EditOutputCommand}">
 4 <Button.ContextMenu>
 5 <ContextMenu>
 6 <MenuItem Header="削除" 
 7 CommandParameter="{Binding}"
 8 Command="{Binding Path=PlacementTarget.Tag.DataContext.DeleteCurrentLineCommand, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=ContextMenu}}"/>
 9 </ContextMenu>
10 </Button.ContextMenu>
11 </Button>

View Code

button.contextmenu的command 失效；

参考地址：http://stackoverflow.com/questions/9994241/mvvm-binding-command-to-contextmenu-item

查看全文

相关阅读:
Linux系统配置静态ip
爬虫之如何找js入口（一）
asyncio动态添加任务
 关于python导包问题
 python动态添加属性
 requests模块
 反selenium关键字
 PIL模块
 openxlsx模块
 CSV

原文地址：https://www.cnblogs.com/codeinet/p/4807151.html