将Interaction.Triggers设置为ListBoxItem

本文介绍了将Interaction.Triggers设置为ListBoxItem的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我将Interaction.Triggers设置为ListBox并在发生"SelectionChanged"事件时执行相应的TargetedTriggerAction，如下所示.

I have set Interaction.Triggers to ListBox and perform respective TargetedTriggerAction when 'SelectionChanged' event occurs, like below.

<ListBox x:Name="WorksheetListBox" ItemsSource="{Binding WorkSheetCollection}"
                             ItemTemplate="{StaticResource workSheetTemplate}">                              
  <i:Interaction.Triggers>
    <i:EventTrigger EventName="SelectionChanged">
        <action:WorksheetListBoxAction />
    </i:EventTrigger>
  </i:Interaction.Triggers>
</ListBox>

但是我的要求是我需要将Interaction.Triggers设置为ListBoxItem的'PreviewMouseDown'事件(注意:通过ItemsSource填充的ListBox)

But my requirement is I need to set Interaction.Triggers to ListBoxItem's 'PreviewMouseDown' event(Note: ListBox populated via ItemsSource)

推荐答案

您可以尝试执行以下操作:

You can try something like this:

    <Style TargetType="{x:Type ListBoxItem}">
        <Style.Triggers>
            <EventTrigger RoutedEvent="PreviewMouseDown">
                <EventTrigger.Actions>
                    <action:WorksheetListBoxAction />
                </EventTrigger.Actions>
            </EventTrigger>
        </Style.Triggers>
    </Style>

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