我已将Interaction.Triggers设置为ListBox,并在发生'SelectionChanged'事件时执行相应的TargetedTriggerAction,如下所示。
<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>
但我的要求是我需要将Interaction.Triggers设置为ListBoxItem的'PreviewMouseDown'事件(注意:ListBox通过ItemsSource填充)
答案 0 :(得分:3)
你可以在ListBoxItem
上做PreviewMouseDown事件<ListBox ItemsSource="{StaticResource Data}">
<ListBox.ItemTemplate>
<DataTemplate>
<Button Name="TaskButton" Content="{Binding}" />
</DataTemplate>
</ListBox.ItemTemplate>
<ListBox.ItemContainerStyle>
<Style TargetType="{x:Type ListBoxItem}">
<EventSetter Event="PreviewMouseDown"
Handler="ItemOnPreviewMouseDown" />
</Style>
</ListBox.ItemContainerStyle>
</ListBox>
private void ItemOnPreviewMouseDown(
object sender, MouseButtonEventArgs e)
{
((ListBoxItem) sender).IsSelected = true;
}
答案 1 :(得分:1)
您可以尝试这样的事情:
<Style TargetType="{x:Type ListBoxItem}">
<Style.Triggers>
<EventTrigger RoutedEvent="PreviewMouseDown">
<EventTrigger.Actions>
<action:WorksheetListBoxAction />
</EventTrigger.Actions>
</EventTrigger>
</Style.Triggers>
</Style>
答案 2 :(得分:-1)
<ListBox.Triggers>
<EventTrigger RoutedEvent="PreviewMouseDown">
<action:WorksheetListBoxAction />
</EventTrigger>
</ListBox.Triggers>
您可以在不使用Interactivity.dll进行事件处理的情况下执行相同操作。