Events Silverlight

    xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' 
    xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
    xmlns:d='http://schemas.microsoft.com/expression/blend/2008' 
    xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' 
    mc:Ignorable='d' 
    d:DesignWidth='640' 
    d:DesignHeight='480'>
    
        
            
            
            
            
        
    

//File: Page.xaml.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
namespace SilverlightApplication3
{
    public partial class MainPage : UserControl
    {
        double beginX = 0;
        double beginY = 0;
        bool isMouseDown = false;
        public MainPage()
        {
            InitializeComponent();
        }
        private void Ellipse_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            Ellipse b = sender as Ellipse;
            beginX = e.GetPosition(this).X;
            beginY = e.GetPosition(this).Y;
            isMouseDown = true;
            b.CaptureMouse();
        }
        private void Ellipse_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
        {
            Ellipse b = sender as Ellipse;
            isMouseDown = false;
            b.ReleaseMouseCapture();
        }
        private void Ellipse_MouseMove(object sender, MouseEventArgs e)
        {
            if (isMouseDown)
            {
                Ellipse b = sender as Ellipse;
                double currX = e.GetPosition(this).X;
                double currY = e.GetPosition(this).Y;
                b.SetValue(Canvas.LeftProperty, currX);
                b.SetValue(Canvas.TopProperty, currY);
            }
        }
    }
}