namespace System.Windows.Forms {
    using System;
    using System.Drawing;
 
    internal class ToolStripProfessionalLowResolutionRenderer : ToolStripProfessionalRenderer {
 
        public ToolStripProfessionalLowResolutionRenderer() {
        }
 
        internal override ToolStripRenderer RendererOverride {
            get {
                return null;
            }
        }
 
        protected override void OnRenderToolStripBackground(ToolStripRenderEventArgs e) {
          if( e.ToolStrip is ToolStripDropDown ) {
              base.OnRenderToolStripBackground(e);
          }
        }
 
        protected override void OnRenderToolStripBorder(ToolStripRenderEventArgs e) {
 
            if(e.ToolStrip is MenuStrip) {
              return;
            } 
            else if (e.ToolStrip is StatusStrip ) {
              return;
            } 
            else if (e.ToolStrip is ToolStripDropDown) {
              base.OnRenderToolStripBorder(e);
            } 
            else {
              RenderToolStripBorderInternal(e);
            }
        }
 
 
        private void RenderToolStripBorderInternal(ToolStripRenderEventArgs e) {
            Rectangle bounds = new Rectangle(Point.Empty, e.ToolStrip.Size);
            Graphics g = e.Graphics;
 
            // have to create a pen here because we're not allowed to modify the SystemPens. 
            using( Pen p = new Pen(SystemColors.ButtonShadow) ) {
                p.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot;
 
                bool oddWidth = ((bounds.Width & 0x1) == 0x1);
                bool oddHeight = ((bounds.Height & 0x1) == 0x1);
                int indent = 2;
 
                // top
                g.DrawLine(p, bounds.X + indent, bounds.Y, bounds.Width - 1, bounds.Y);
                // bottom
                g.DrawLine(p, bounds.X + indent, bounds.Height - 1, bounds.Width - 1, bounds.Height - 1);
 
                // left
                g.DrawLine(p, bounds.X, bounds.Y + indent, bounds.X, bounds.Height - 1);
                // right
                g.DrawLine(p, bounds.Width - 1, bounds.Y + indent, bounds.Width - 1, bounds.Height - 1);
 
                // connecting pixels
 
                // top left conntecting pixel - always drawn
                g.FillRectangle(SystemBrushes.ButtonShadow, new Rectangle(1, 1, 1, 1));
 
                if (oddWidth) {
                  // top right pixel
                  g.FillRectangle(SystemBrushes.ButtonShadow, new Rectangle(bounds.Width - 2, 1, 1, 1));
                }
                // bottom conntecting pixels - drawn only if height is odd
                if(oddHeight) {
                  // bottom left
                  g.FillRectangle(SystemBrushes.ButtonShadow, new Rectangle(1, bounds.Height - 2, 1, 1));
 
                }
 
                // top and bottom right conntecting pixel - drawn only if height and width are odd
                if( oddHeight && oddWidth ) {
                  // bottom right
                  g.FillRectangle(SystemBrushes.ButtonShadow, new Rectangle(bounds.Width - 2, bounds.Height - 2, 1, 1));
                }
 
            }
        }
    }
}