How to capture mousemove events beneath child controls

Question

I am trying to handle a mouseclick event on a particular form that should fire if the mouse cursor falls between a set of coordinates - lets say a square.

I understa

Answer 1

try this:

public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
        AddMouseMoveHandler(this);
    }

    private void AddMouseMoveHandler(Control c)
    {
        c.MouseMove += MouseMoveHandler;
        if(c.Controls.Count>0)
        {
            foreach (Control ct in c.Controls)
                AddMouseMoveHandler(ct);
        }
    }

    private void MouseMoveHandler(object sender, MouseEventArgs e)
    {
        lblXY.Text = string.Format("X: {0}, Y:{1}", e.X, e.Y);
    }
}