Get cursor position with respect to the control - C#

Question

I want to get the mouse position with respect to the control in which mouse pointer is present. That means when I place the cursor to the starting point (Top-Left corner) of

Answer 1

private void lienzo_MouseLeftButtonDown_1(object sender, MouseButtonEventArgs e)
{
    Point coordenadas = new Point();
    coordenadas = Mouse.GetPosition(lienzo);

    string msg = "Coordenadas mouse :" + coordenadas.X + "," + coordenadas.Y;
    MessageBoxResult resultado;
    string titulo = "Informacion";
    MessageBoxButton botones = MessageBoxButton.OK;
    MessageBoxImage icono = MessageBoxImage.Information;

    resultado = MessageBox.Show(msg, titulo, botones, icono);
}

Where "lienzo" is my canvas panel