new Pen(lgbrush, Math.Min(cx, cy) / 25), Gradient Pen

 

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);
     }
}

1.	new Pen(clr, f)
2.	new Pen(ForeColor)
3.	DashDot style Pen
4.	Pen Dash Caps: Flat, Round, Triangle
5.	11-Pixel Centered Pen
6.	11-Pixel Inset Pen
7.	make red and blue pens
8.	Pen alignment: center
9.	Pen alignment: inset
10.	Pen width and color
11.	Pen Dash Styles
12.	illustrates the use of multiple Pens
13.	Dispose a pen
14.	StartCap, EndCap
15.	creates the custom dash pattern 5
16.	Set DashStyle
17.	creates the custom dash pattern
18.	Set LineJoin for Pen
19.	Custom Pen

new Pen(lgbrush, Math.Min(cx, cy) / 25), Gradient Pen : Pens « 2D Graphics « C# / C Sharp

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