Csharp/C Sharp by API/System.Drawing/Brushes
Brushes.Black
<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; 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); Font font = new Font("Times New Roman", 12, FontStyle.Regular); Font bfont = new Font("Times New Roman", 12, FontStyle.Bold); Font ifont = new Font("Times New Roman", 12, FontStyle.Italic); Font bifont = new Font("Times New Roman", 12,FontStyle.Bold | FontStyle.Italic); Font sfont = new Font("Times New Roman", 12, FontStyle.Strikeout); Font ufont = new Font("Times New Roman", 12, FontStyle.Underline); Font bsfont = new Font("Times New Roman", 12,FontStyle.Bold | FontStyle.Strikeout); int h = font.Height; g.DrawString("Regular", font, Brushes.Black, 0, 0); g.DrawString("Bold", bfont, Brushes.Black, 0, h); g.DrawString("Italic", ifont, Brushes.Black, 0, h * 2); g.DrawString("Bold-Italic", bifont, Brushes.Black, 0, h * 3); g.DrawString("Strikeout", sfont, Brushes.Black, 0, h * 4); g.DrawString("Underline", ufont, Brushes.Black, 0, h * 5); g.DrawString("Bold & Strikeout", bsfont, Brushes.Black, 0, h * 6); font.Dispose(); bfont.Dispose(); ifont.Dispose(); bifont.Dispose(); sfont.Dispose(); ufont.Dispose(); bsfont.Dispose(); } public static void Main() { Application.Run(new Form1()); }
}
</source>
Brushes.Firebrick
<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public class MainForm : Form {
private List<Point> myPts = new List<Point>(); public MainForm() { this.Text = "Basic Paint Form";
// this.Paint += new PaintEventHandler(MainForm_Paint);
this.MouseDown += new MouseEventHandler(MainForm_MouseDown); } void MainForm_MouseDown(object sender, MouseEventArgs e) { myPts.Add(new Point(e.X, e.Y)); Invalidate(); } public void OnPaint(PaintEventArgs e) { Graphics g = e.Graphics; g.DrawString("Hello GDI+", new Font("Times New Roman", 20),Brushes.Green, 0, 0); foreach (Point p in myPts) g.FillEllipse(Brushes.Firebrick, p.X, p.Y, 10, 10); }
}
</source>
Brushes.White
<source lang="csharp">
using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class Form1 : System.Windows.Forms.Form { public Form1() { InitializeComponent(); } private void InitializeComponent() { this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(292, 273); this.Text = "Pen Cap App"; this.Resize += new System.EventHandler(this.Form1_Resize); this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint); } static void Main() { Application.Run(new Form1()); } private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e) { Graphics g = e.Graphics; GraphicsPath gp = new GraphicsPath(); gp.AddLine(10, 10, 110, 15); gp.AddLine(110, 15, 100, 95); gp.AddLine(100, 95, 15, 110); gp.CloseFigure(); g.FillRectangle(Brushes.White, this.ClientRectangle); g.SmoothingMode = SmoothingMode.AntiAlias; PathGradientBrush pgb = new PathGradientBrush(gp); pgb.CenterColor = Color.White; pgb.SurroundColors = new Color[] { Color.Red }; g.FillPath(pgb, gp); g.DrawPath(Pens.Black, gp); pgb.Dispose(); gp.Dispose(); } private void Form1_Resize(object sender, System.EventArgs e) { Invalidate(); } } </source>