Mega Code Archive

 

Categories / C# / 2D Graphics

 

Create two color instances with different alpha components

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public class Form1 : Form {     protected override void OnPaint(PaintEventArgs e) {         Graphics g = e.Graphics;         g.FillRectangle(Brushes.White, this.ClientRectangle);         Color c1 = Color.FromArgb(100, Color.Blue);         Color c2 = Color.FromArgb(50, Color.Green);         g.FillEllipse(Brushes.Red, 20, 20, 80, 80);         g.FillRectangle(new SolidBrush(c1), 60, 80, 60, 60);         Point[] pa = new Point[] {                         new Point(150, 40),                          new Point(90, 40),                          new Point(90, 120)};         g.FillPolygon(new SolidBrush(c2), pa);     }     public static void Main() {         Application.Run(new Form1());     } }