WPF VB.Net Tutorial

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="" Height="300" Width="300">
            Click="ButtonClickedHandler "
        Name="MyButton"
        Width="50 "
        Content="Click Me! " />
    
        void ButtonClickedHandler(object sender, RoutedEventArgs eventArgs)
        {
          MyButton.Width = 100 ;
          MyButton.Content = "Thank you! ";
        }