System.Windows.Forms.CommandBar.OnMouseMove C# (CSharp) Méthode

        protected override void OnMouseMove(MouseEventArgs e)
        {
            if (this.Style == CommandBarStyle.Menu)
            {
                Point point = new Point(e.X, e.Y);
                if (this.state == State.Hot)
                {
                    int index = this.HitTest(point);
                    if ((this.IsValid(index)) && (point != lastMousePosition))
                        this.SetHotItem(index);
                    return;
                }

                lastMousePosition = point;
            }

            base.OnMouseMove(e);
        }