using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Drawing.Drawing2D; public class Form1 : System.Windows.Forms.Form { [STAThread] static void Main() { Application.Run(new Form1()); } 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); LinearGradientBrush lGB; Color cR = Color.Red, cW = Color.White; int w = 100, h = 70; g.DrawString("Horizontal", f, fb, 10, 5); Rectangle rec = new Rectangle(10, 20, w, h); LinearGradientMode lGM = LinearGradientMode.Horizontal; lGB = new LinearGradientBrush(rec, cR, cW, lGM); g.FillRectangle(lGB, rec); g.DrawString("Vertical", f, fb, w + 20, 5); rec.Offset(w + 10, 0); lGM = LinearGradientMode.Vertical; lGB = new LinearGradientBrush(rec, cR, cW, lGM); g.FillRectangle(lGB, rec); g.DrawString("ForwardDiagonal", f, fb, 10, h + 25); rec.Offset(-w - 10, h + 20); lGM = LinearGradientMode.ForwardDiagonal; lGB = new LinearGradientBrush(rec, cR, cW, lGM); g.FillRectangle(lGB, rec); g.DrawString("BackwardDiagonal", f, fb, w + 20, h + 25); rec.Offset(w + 10, 0); lGM = LinearGradientMode.BackwardDiagonal; lGB = new LinearGradientBrush(rec, cR, cW, lGM); g.FillRectangle(lGB, rec); fb.Dispose(); g.Dispose(); } }