<TextBox
Background="{x:Null}"
Text="{Binding SearchForContent, Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}">
<i:Interaction.Triggers>
<i:EventTrigger EventName="TextChanged">
<i:InvokeCommandAction Command="{Binding TextChangedCommand}" />
</i:EventTrigger>
<i:EventTrigger EventName="LostFocus">
<i:InvokeCommandAction Command="{Binding LostFocusAndGotFocusCommand}" CommandParameter="LostFocus" />
</i:EventTrigger>
<i:EventTrigger EventName="GotFocus">
<i:InvokeCommandAction Command="{Binding LostFocusAndGotFocusCommand}" CommandParameter="GotFocus" />
</i:EventTrigger>
</i:Interaction.Triggers>
</TextBox>
xmlns:i="http://schemas.microsoft.com/xaml/behaviors"
后台的话根据需要,自己声明命令,命令事件即可文章来源:https://www.toymoban.com/news/detail-682428.html
这玩意儿是开源的,需要下载ViewModelBase包文章来源地址https://www.toymoban.com/news/detail-682428.html
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