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Categories / C# by API / System Drawing Drawing2d

 

GraphicsPath AddRectangle

using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Drawing.Drawing2D;  // PathGradientBrush  namespace PathGradient {     public class PathGradient : System.Windows.Forms.Form     {         private System.ComponentModel.Container components = null;         public PathGradient()         {             this.Text = "PathGradient - CenterPoint";             this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);             this.ClientSize = new System.Drawing.Size(256, 213);             this.Name = "PathGradient";             this.Text = "PathGradient";         }         static void Main()          {             Application.Run(new PathGradient());         }         protected override void OnPaint(PaintEventArgs e)         {                Graphics g = e.Graphics;             Font f = new Font(new FontFamily("Times New Roman"), 10);             Brush fb = new SolidBrush(Color.Black);             GraphicsPath gp;             PathGradientBrush pGB;  // namespace System.Drawing.Drawing2D;             Rectangle rec;             Color cR = Color.Red, cW = Color.White, cY = Color.Yellow;             int w = 100, h = 70;             // Left upper rectangle:             g.DrawString("Center", f, fb, 10, 5);             gp = new GraphicsPath();             rec = new Rectangle(10, 20, w, h);             gp.AddRectangle(rec);             pGB = new PathGradientBrush(gp);             pGB.CenterPoint = new Point(10 + w/2, 20 + h/2);             pGB.CenterColor = cR;             pGB.SurroundColors = new Color[1]{cW};             g.FillRectangle(pGB, rec);             // Right upper rectangle:             g.DrawString("Center - 2 x 2 Colors", f, fb, w + 20, 5);             gp = new GraphicsPath();             rec = new Rectangle(20 + w, 20, w, h);             gp.AddRectangle(rec);             pGB = new PathGradientBrush(gp);             pGB.CenterPoint = new Point(w + 20 + w/2, 20 + h/2);             pGB.CenterColor = cR;             pGB.SurroundColors = new Color[4]{cW, cY, cW, cY};             g.FillRectangle(pGB, rec);             // Left down rectangle:             g.DrawString("LefTopCenter", f, fb, 10, h + 25);             gp = new GraphicsPath();             rec = new Rectangle(10, h + 40, w, h);             gp.AddRectangle(rec);             pGB = new PathGradientBrush(gp);             pGB.CenterPoint = new Point(10, h + 40);             pGB.CenterColor = cR;             pGB.SurroundColors = new Color[1]{cW};             g.FillRectangle(pGB, rec);             // Ellipse             g.DrawString("Top", f, fb, w + 20, h + 25);             gp = new GraphicsPath();             rec = new Rectangle(w + 20, h + 40, w, h);             gp.AddEllipse(rec);             pGB = new PathGradientBrush(gp);             pGB.CenterPoint = new Point(w + 20 + w/2, h + 40);             pGB.CenterColor = cR;             pGB.SurroundColors = new Color[1]{cW};             g.FillRectangle(pGB, rec);             g.Dispose();                 fb.Dispose();         }     } }