/// <summary>
/// Return bounds of the given subitem
/// </summary>
/// <remarks>This correctly calculates the bounds even for column 0.</remarks>
public virtual Rectangle GetSubItemBounds(int subItemIndex)
{
if (subItemIndex == 0)
{
Rectangle r = this.Bounds;
Point sides = NativeMethods.GetScrolledColumnSides(this.ListView, subItemIndex);
r.X = sides.X + 1;
r.Width = sides.Y - sides.X;
return(r);
}
OLVListSubItem subItem = this.GetSubItem(subItemIndex);
return(subItem == null ? new Rectangle() : subItem.Bounds);
}
/// <summary>
/// Draw a slight colouring over our tinted column
/// </summary>
/// <remarks>
/// This overlay only works when:
/// - the list is in Details view
/// - there is at least one row
/// - there is a selected column (or a specified tint column)
/// </remarks>
/// <param name="olv"></param>
/// <param name="g"></param>
/// <param name="r"></param>
public override void Draw(AdvancedListView olv, Graphics g, Rectangle r)
{
if (olv.View != System.Windows.Forms.View.Details)
{
return;
}
if (olv.GetItemCount() == 0)
{
return;
}
OLVColumn column = this.ColumnToTint ?? olv.SelectedColumn;
if (column == null)
{
return;
}
Point sides = NativeMethods.GetScrolledColumnSides(olv, column.Index);
if (sides.X == -1)
{
return;
}
Rectangle columnBounds = new Rectangle(sides.X, r.Top, sides.Y - sides.X, r.Bottom);
// Find the bottom of the last item. The tinting should extend only to there.
OLVListItem lastItem = olv.GetLastItemInDisplayOrder();
if (lastItem != null)
{
Rectangle lastItemBounds = lastItem.Bounds;
if (!lastItemBounds.IsEmpty && lastItemBounds.Bottom < columnBounds.Bottom)
{
columnBounds.Height = lastItemBounds.Bottom - columnBounds.Top;
}
}
g.FillRectangle(this.tintBrush, columnBounds);
}
