XThread03

using System;
using System.Windows;
using System.Diagnostics;

namespace WpfCrossThread {

    public partial class MainWindow : Window {
        private delegate void EnterTextDelegate();
        public MainWindow() {
            InitializeComponent();
        }

        private void button_Click(object sender, RoutedEventArgs e) {
            var del = new EnterTextDelegate(EnterText);
            del.BeginInvoke(null, null);
        }

        private void EnterText() {
            try {
                MyTextBox.Text = "this may make it fail";
            } catch (Exception e) {
                EventLog.WriteEntry("Application", e.Message);
                throw;
            }
        }
    }
}