diff -r 0c551e8818e0 -r f652ab1e06e2 External/Aga.Controls/Tree/TreeViewAdv.Draw.cs
--- a/External/Aga.Controls/Tree/TreeViewAdv.Draw.cs	Sun May 27 15:16:19 2012 +0000
+++ b/External/Aga.Controls/Tree/TreeViewAdv.Draw.cs	Sun May 27 16:08:54 2012 +0000
@@ -135,6 +135,10 @@
 			
 			OnRowDraw(e, node, context, row, rowRect);
 
+			if ((GridLineStyle & GridLineStyle.Horizontal) == GridLineStyle.Horizontal) {
+				e.Graphics.DrawLine(LightGrayPen, 0, rowRect.Bottom, e.Graphics.ClipBounds.Right, rowRect.Bottom);
+      }
+
 			if (FullRowSelect)
 			{
 				context.DrawFocus = false;
@@ -143,26 +147,26 @@
 					Rectangle focusRect = new Rectangle(OffsetX, rowRect.Y, ClientRectangle.Width, rowRect.Height);
 					if (context.DrawSelection == DrawSelectionMode.Active)
 					{
-						e.Graphics.FillRectangle(SystemBrushes.Highlight, focusRect);
+						e.Graphics.FillRectangle(GrayBrush, focusRect);
 						context.DrawSelection = DrawSelectionMode.FullRowSelect;
 					}
 					else
 					{
-						e.Graphics.FillRectangle(SystemBrushes.InactiveBorder, focusRect);
+						e.Graphics.FillRectangle(GrayBrush, focusRect);
 						context.DrawSelection = DrawSelectionMode.None;
 					}
 				}
 			}
 
-            if ((GridLineStyle & GridLineStyle.Horizontal) == GridLineStyle.Horizontal)
-				e.Graphics.DrawLine(SystemPens.InactiveBorder, 0, rowRect.Bottom, e.Graphics.ClipBounds.Right, rowRect.Bottom);
-
 			if (ShowLines)
 				DrawLines(e.Graphics, node, rowRect);
 
 			DrawNode(node, context);
 		}
 
+		private Brush GrayBrush = new SolidBrush(Color.FromArgb(240, 240, 240));
+		private Pen LightGrayPen = new Pen(Color.FromArgb(247, 247, 247));
+
 		private void DrawVerticalGridLines(Graphics gr, int y)
 		{
 			int x = 0;