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为了增减ListView的Column,我们只需定义多个GridView资源,在运行时根据不同情况使用不同资源,就可以达到增减Column的目的。这里其实都算不上是真正的模板替换。
本文附带源代码可以在这里下载到:TestListViewColumnCustom.rar
下面就开始吧!
老规矩,拖出VS2008,Create new project->WPF Application,名字就叫TestListViewColumnCustom吧,我一贯以“Test”开头命名工程,这样表明这是一个测试项目,是对ListViewColumnCustom所做的测试工程。点击OK后进入Window1.xaml设计界面,拽一个ListView进主窗口(听说通过敲Xaml代码来创建控件而不是通过“拽”来创建控件的人都是牛人,所以我喜欢敲代码;当然了,在WPF设计器不成熟的早期阶段,很多控件定制后显示不正常,你不敲代码还能去敲微软?),添加几个Column,并为窗口添加几个Label、CheckBox,运行结果如下:
![](https://images.cnblogs.com/cnblogs_com/khler/TestListViewColumnCustom2.gif)
图1
界面
Xaml代码如下:
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给ListView添加两个(任意多个)GridView资源,拥有不同的Columns:
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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为CheckBox添加Click处理事件:
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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运行,点击CheckBox,可以发现最后一列可以动态“删除”:
![](https://images.cnblogs.com/cnblogs_com/khler/TestListViewColumnCustom3.gif)
图2
WillBeHiden列将被删除
勾选CheckBox:
![](https://images.cnblogs.com/cnblogs_com/khler/TestListViewColumnCustom4.gif)
图3
WillBeHiden列被删除
为了显得更加真实,上面绑定了数据:
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![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
简单总结一下:思想就是,在资源中定义具有不同Column的资源,根据程序需要,为ListView绑定不同GridView,达到动态修改ListView的列的目的。
注意,由于数据绑定的关系,替换模板后需要重新绑定一下数据:
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