如何在WPF中获取列表框选定的索引 [英] how to get List box selected index in wpf

问题描述

当将不同的xaml页作为数据容器绑定时，如何在wpf中获取列表框选择的索引.

how to get List box selected index in wpf when it is binding different xaml page as data container. selected index, item,value, items.currentItem is not working.

推荐答案

首先，您需要在视图模型中实现INotifyPropertyChanged 接口并提高<Rule 属性设置器中的c1>事件.否则，绑定到SelectedRule 属性的控件将不会在更改后知道"

First off, you need to implement INotifyPropertyChanged interface in your view model and raise the PropertyChanged event in the setter of the Rule property. Otherwise no control that binds to the SelectedRule property will "know" when it has been changed

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