鼠标悬停在 WPF 的列表框中选择项目
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Mouseover to select item in listbox in WPF
提问by user2096837
I am relatively new to WPF, but I would like to know how can I enable a listbox to select an item based on a mouseover event instead of the button click. I would like the item to be selected when the mouse is over the selected item, without having to press click first.
我对 WPF 比较陌生，但我想知道如何启用列表框以根据鼠标悬停事件而不是按钮单击来选择项目。我希望在鼠标悬停在所选项目上时选择该项目，而不必先按单击。
Thank you
谢谢
回答by Clemens
You may write a simple ListBoxItem Style with a Trigger on the IsMouseOverproperty that sets the IsSelectedproperty:
您可以编写一个简单的 ListBoxItem 样式，并在IsMouseOver设置IsSelected属性的属性上设置触发器：
<ListBox>
<ListBox.ItemContainerStyle>
<Style TargetType="ListBoxItem">
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="IsSelected" Value="True"/>
</Trigger>
</Style.Triggers>
</Style>
</ListBox.ItemContainerStyle>
</ListBox>
