BrightIdeasSoftware.VirtualObjectListView.GetDisplayOrderOfItemIndex C# (CSharp) Метод

        public override int GetDisplayOrderOfItemIndex(int itemIndex)
        {
            if (!this.ShowGroups)
                return itemIndex;

            int groupIndex = this.GroupingStrategy.GetGroup(itemIndex);
            int displayIndex = 0;
            for (int i = 0; i < groupIndex - 1; i++)
                displayIndex += this.OLVGroups[i].VirtualItemCount;
            displayIndex += this.GroupingStrategy.GetIndexWithinGroup(this.OLVGroups[groupIndex], itemIndex);

            return displayIndex;
        }