BrightIdeasSoftware.ObjectListView.GetLastItemInDisplayOrder C# (CSharp) Méthode

        public virtual OLVListItem GetLastItemInDisplayOrder()
        {
            if (!this.ShowGroups)
                return this.GetItem(this.GetItemCount() - 1);

            if (this.Groups.Count > 0) {
                ListViewGroup lastGroup = this.Groups[this.Groups.Count - 1];
                if (lastGroup.Items.Count > 0)
                    return (OLVListItem)lastGroup.Items[lastGroup.Items.Count - 1];
            }

            return null;
        }

 public override void Draw(ObjectListView olv, Graphics g, Rectangle r)
 {
     if ((olv.View == View.Details) && (olv.GetItemCount() != 0))
     {
         OLVColumn column = this.ColumnToTint ?? olv.SelectedColumn;
         if (column != null)
         {
             Point scrolledColumnSides = BrightIdeasSoftware.NativeMethods.GetScrolledColumnSides(olv, column.Index);
             if (scrolledColumnSides.X != -1)
             {
                 Rectangle   rect = new Rectangle(scrolledColumnSides.X, r.Top, scrolledColumnSides.Y - scrolledColumnSides.X, r.Bottom);
                 OLVListItem lastItemInDisplayOrder = olv.GetLastItemInDisplayOrder();
                 if (lastItemInDisplayOrder != null)
                 {
                     Rectangle bounds = lastItemInDisplayOrder.Bounds;
                     if (!(bounds.IsEmpty || (bounds.Bottom >= rect.Bottom)))
                     {
                         rect.Height = bounds.Bottom - rect.Top;
                     }
                 }
                 g.FillRectangle(this.tintBrush, rect);
             }
         }
     }
 }