<Window x:Class="BookApp.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="BookApp" Height="300" Width="300">
<Grid>
<Button Click="MyClickEvent" Name="btnGo">Go</Button>
</Grid>
</Window>
//File:Window.xaml.vb
Imports System
Imports System.Collections.Generic
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.Shapes
Namespace BookApp
Public Partial Class Window1
Inherits System.Windows.Window
Public Sub New()
InitializeComponent()
Dim x As New Book()
x.author = "A"
x.title = "title"
x.price = CDec(9.99)
Application.Current.Properties("Book") = x
End Sub
Private Sub MyClickEvent(sender As Object, e As RoutedEventArgs)
Dim y As Book = DirectCast(Application.Current.Properties("Book"), Book)
MessageBox.Show(y.title, y.author, MessageBoxButton.OK, MessageBoxImage.Hand)
End Sub
End Class
Public Class Book
Public price As Decimal
Public title As String
Public author As String
End Class
End Namespace