WPF C# Tutorial

    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.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Data;
namespace RepeatButtons
{
    public partial class Pane1 : DockPanel
    {
        void Increase(object sender, RoutedEventArgs e)
        {
            Int32 Num = Convert.ToInt32(valueText.Text);
            valueText.Text = ((Num + 1).ToString());
        }
        void Decrease(object sender, RoutedEventArgs e)
        {
            Int32 Num = Convert.ToInt32(valueText.Text);
            valueText.Text = ((Num - 1).ToString());
        }
    }
}