C#-WPF事件的绑定prism框架

前台代码

xmlns:i="http://schemas.microsoft.com/xaml/behaviors"
<i:Interaction.Triggers>
      <i:EventTrigger EventName="TextChanged">
            <i:InvokeCommandAction Command="{Binding TextChangedCommand}" CommandParameter="{Binding ElementName=txtProcessText}" />
      </i:EventTrigger>
</i:Interaction.Triggers>

后台代码

private DelegateCommand<object> _textChangedCommand;
public DelegateCommand<object> TextChangedCommand => _textChangedCommand ??= new DelegateCommand<object>(ExecuteTextChangedCommand);