Get mouse position with Mouse.GetPosition
<Window x:Class="WpfApplication1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MouseInput" Height="300" Width="300"> <Grid> <Ellipse Fill="Blue" x:Name="myEllipse" /> </Grid> </Window> //File:Window.xaml.vb Imports System Imports System.Collections.Generic Imports System.Text Imports System.Windows Imports System.Windows.Controls Imports System.Windows.Data Imports System.Windows.Documents Imports System.Windows.Input Imports System.Windows.Media Imports System.Windows.Media.Imaging Imports System.Windows.Shapes Imports System.Diagnostics Namespace WpfApplication1 Public Partial Class Window1 Inherits System.Windows.Window Public Sub New() InitializeComponent() AddHandler myEllipse.MouseMove, AddressOf myEllipse_MouseMove End Sub Private Sub myEllipse_MouseMove(sender As Object, e As MouseEventArgs) Debug.WriteLine(Mouse.GetPosition(myEllipse)) End Sub End Class End Namespace