WPF C# Tutorial

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        x:Class="AboutDialog"
        Title="About WPF Unleashed" SizeToContent="WidthAndHeight"
        Background="OrangeRed">
  
    
  

  
    
      
      OK
    

    asdf
  

//File:Window.xaml.cs
using System.Windows;
using System.Windows.Input;
public partial class AboutDialog : Window
{
    public AboutDialog()
    {
        InitializeComponent();
    }
    void HelpCanExecute(object sender, CanExecuteRoutedEventArgs e)
    {
        e.CanExecute = true;
    }
    
    void HelpExecuted(object sender, ExecutedRoutedEventArgs e)
    {
        System.Diagnostics.Process.Start("http://www.rntsoft.com");
    }
}