Digital Clock : Binding « Windows Presentation Foundation « VB.Net

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VB.Net » Windows Presentation Foundation » BindingScreenshots 
Digital Clock
Digital Clock
     
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
        xmlns:src="clr-namespace:WpfApplication1.DigitalClock"
        Title="Digital Clock"
        SizeToContent="WidthAndHeight">
    <Window.Resources>
        <src:ClockTicker1 x:Key="clock" />
    </Window.Resources>
    <Window.Content>
        <Binding Source="{StaticResource clock}" Path="DateTime" />
    </Window.Content>
</Window>
//File:Window.xaml.vb
Imports System
Imports System.Windows
Imports System.Windows.Threading

Namespace WpfApplication1.DigitalClock
  Public Class ClockTicker1
    Inherits DependencyObject
    Public Shared DateTimeProperty As DependencyProperty = DependencyProperty.Register("DateTime", GetType(DateTime), GetType(ClockTicker1))

    Public Property DateTime() As DateTime
      Get
        Return CType(GetValue(DateTimeProperty), DateTime)
      End Get
      Set
        SetValue(DateTimeProperty, value)
      End Set
    End Property

    Public Sub New()
      Dim timer As New DispatcherTimer()
      AddHandler timer.Tick, AddressOf TimerOnTick
      timer.Interval = TimeSpan.FromSeconds(1)
      timer.Start()
    End Sub

    Private Sub TimerOnTick(sender As Object, args As EventArgs)
      DateTime = DateTime.Now
    End Sub
  End Class
End Namespace

   
    
    
    
    
  
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