using System.Windows; using System.Windows.Controls; using Message_ModuleA.Events; namespace Message_ModuleA.Views; public partial class ViewA : UserControl { private readonly IEventAggregator _eventAggregator; public ViewA(IEventAggregator aggregator) { InitializeComponent(); _eventAggregator = aggregator; _eventAggregator.GetEvent().Subscribe(CloseMessage); } private void CloseMessage(string message) { // _eventAggregator.GetEvent().Subscribe(arg => // { // var result = MessageBox.Show($"消息:{arg}"); // if (result == MessageBoxResult.OK) _eventAggregator.GetEvent().Publish("确认"); // }); var result = MessageBox.Show($"消息:{message}", "提示", MessageBoxButton.OKCancel); if (result == MessageBoxResult.OK) _eventAggregator.GetEvent().Publish("确认"); else _eventAggregator.GetEvent().Unsubscribe(CloseMessage); } }