WPF VB.Net

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="RepeatButtons.Pane1">
  
                          Delay="500" Interval="100" 
                    Click="Increase">
        Increase
      
                       Width="100" DockPanel.Dock="Top" 
                 TextAlignment="Center" FontSize="16">
        0
      
                          Delay="500" Interval="100" 
                    Click="Decrease">
        Decrease
      
    


//File:Window.xaml.vb
Imports System
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Documents
Imports System.Windows.Navigation
Imports System.Windows.Shapes
Imports System.Windows.Data
Namespace RepeatButtons
  Public Partial Class Pane1
    Inherits DockPanel
    Private Sub Increase(sender As Object, e As RoutedEventArgs)
      Dim Num As Int32 = Convert.ToInt32(valueText.Text)
      valueText.Text = ((Num + 1).ToString())
    End Sub
    Private Sub Decrease(sender As Object, e As RoutedEventArgs)
      Dim Num As Int32 = Convert.ToInt32(valueText.Text)
      valueText.Text = ((Num - 1).ToString())
    End Sub
  End Class
End Namespace