Csharp/C Sharp by API/System.Drawing.Drawing2D/PenAlignment

PenAlignment.Center

  
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Text;
using System.Windows.Forms;
public class Form1 : Form {
    protected override void OnPaint(PaintEventArgs e) {
        Graphics g = e.Graphics;
        Pen p = new Pen(Color.Black, 3);
        p.Alignment = PenAlignment.Center;
        g.DrawRectangle(p, 3, 3, 8, 7);
        p.Dispose();
    }
    public static void Main() {
        Application.Run(new Form1());
    }
}

PenAlignment.Inset

 
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
   
class GradientPen: Form 
{
     public static void Main()
     {
          Application.Run(new GradientPen());
     }
     public GradientPen()
     {
          ResizeRedraw = true; 
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
     }        
     protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
     {
          Brush lgbrush = new LinearGradientBrush(
                                   new Rectangle(0, 0, cx, cy), 
                                   Color.White, Color.Black,
                                   LinearGradientMode.BackwardDiagonal);
   
          Pen pen = new Pen(lgbrush, Math.Min(cx, cy) / 25);
   
          pen.Alignment = PenAlignment.Inset;
   
          grfx.DrawRectangle(pen, 0, 0, cx, cy);
          grfx.DrawLine(pen, 0, 0, cx, cy);
          grfx.DrawLine(pen, 0, cy, cx, 0);
     }
}