using System.Windows; using GalaSoft.MvvmLight.Messaging; using WPF_15_MvvmLightMessage.ViewModels; namespace WPF_15_MvvmLightMessage; /// /// Interaction logic for MainWindow.xaml /// public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); DataContext = new MainVIewModel(); Messenger.Default.Register(this, "Token1", MessageToken1Sender); } private void MessageToken1Sender(string value) { MessageBox.Show(value); } }