System.Windows.Forms.ListView.CalculateGroupsLayout C# (CSharp) Method

		void CalculateGroupsLayout (Size item_size, int y_spacing, int y_origin)
		{
			int y = y_origin;
			bool details = view == View.Details;

			for (int i = 0; i < groups.InternalCount; i++) {
				ListViewGroup group = groups.GetInternalGroup (i);
				if (group.ItemCount == 0)
					continue;

				y += LayoutGroupHeader (group, y, item_size.Height, y_spacing, details ? group.ItemCount : group.rows);
			}

			layout_ht = y; // Update height taking into account Groups' headers heights
		}