//File:Window.xaml.vb Imports System Imports System.Collections.Generic Imports System.Linq Imports System.Text Imports System.Windows Imports System.Windows.Controls Imports System.Windows.Data Imports System.Windows.Documents Imports System.Windows.Input Imports System.Windows.Media Imports System.Windows.Media.Imaging Imports System.Windows.Navigation Imports System.Windows.Shapes Namespace WpfApplication1 Public Partial Class Window1 Inherits Window Public Sub New() InitializeComponent() End Sub Private Sub btnMessageHeaderButtonImage_Click(sender As Object, e As RoutedEventArgs) MessageBox.Show("A MessageBox with a title, buttons, and an icon.", "WPF", MessageBoxButton.YesNoCancel, MessageBoxImage.Warning) End Sub End Class End Namespace