Microsoft.Windows.Controls.Ribbon.RibbonGallery.OnMouseEnter C# (CSharp) Method

        protected override void OnMouseEnter(MouseEventArgs e)
        {
            _localMousePosition = e.GetPosition(this);
            if (!IsSelected)
            {
                // If it's already focused, make sure it's also selected.
                IsSelected = true;
            }

            base.OnMouseEnter(e);
        }