问Silverlight工具提示词被反转

EN

            // Create the colored rectangle
            Rectangle rect = new Rectangle();

            // Set the grid row and column
            Grid.SetRow(rect, i);
            Grid.SetColumn(rect, 0);

            // Set the rectangle into the UI
            LegendColorGrid.Children.Add(rect);

            // Create the tooltip for the item
            ToolTip tip = new ToolTip();
            tip.Content = contentList[i].UnitLabel;
            tip.Placement = System.Windows.Controls.Primitives.PlacementMode.Right;
            tip.PlacementTarget = rect;

            // Set the tooltip into the UI
            ToolTipService.SetToolTip(rect, tip);