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Make an object follow the mouse pointer as it moves on the screen

<Window x: Class="WpfApplication1.Window1"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     Title="mouseMoveWithPointer" Height="400" Width="500">   <Canvas MouseMove="MouseMoveHandler" Background="Red">     <Ellipse Name="ellipse" Fill="LightBlue" Width="100" Height="100"/>   </Canvas> </Window> //File:Window.xaml.vb Imports System Imports System.Windows Imports System.Windows.Controls Imports System.Windows.Shapes Imports System.Windows.Input Namespace WpfApplication1   Public Partial Class Window1     Inherits Window     Public Sub New()       InitializeComponent()     End Sub     Private Sub MouseMoveHandler(sender As Object, e As MouseEventArgs)       ' Get the x and y coordinates of the mouse pointer.       Dim position As Point = e.GetPosition(Me)       Dim pX As Double = position.X       Dim pY As Double = position.Y       ellipse.Width = pX       ellipse.Height = pY     End Sub   End Class End Namespace