Csharp/C Sharp/2D Graphics/Pens
Содержание
- 1 11-Pixel Centered Pen
- 2 11-Pixel Inset Pen
- 3 creates the custom dash pattern
- 4 creates the custom dash pattern 5
- 5 Custom Pen
- 6 DashDot style Pen
- 7 Dispose a pen
- 8 illustrates the use of multiple Pens
- 9 make red and blue pens
- 10 new Pen(clr, f)
- 11 new Pen(ForeColor)
- 12 new Pen(lgbrush, Math.Min(cx, cy) / 25), Gradient Pen
- 13 Pen alignment: center
- 14 Pen alignment: inset
- 15 Pen Dash Caps: Flat, Round, Triangle
- 16 Pen Dash Styles
- 17 Pen width and color
- 18 Set DashStyle
- 19 Set LineJoin for Pen
- 20 StartCap, EndCap
11-Pixel Centered Pen
<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; using System.Windows.Forms.VisualStyles; using System.Drawing.Drawing2D; public class Form1 : Form {
public Form1() {
InitializeComponent();
}
private void SimpleStyleRenderer_Paint(object sender, PaintEventArgs e)
{
Rectangle rect = new Rectangle(10, 10, 110, 110);
Pen pen = new Pen(Color.White, 11);
Pen penOutline = new Pen(Color.Black, 1);
penOutline.Alignment = PenAlignment.Inset;
pen.Alignment = PenAlignment.Center;
e.Graphics.DrawString("11-Pixel Centered Pen", SystemFonts.DefaultFont, Brushes.Black, rect.Location);
rect.Offset(0, 25);
e.Graphics.FillRectangle(Brushes.LightBlue, rect);
e.Graphics.DrawRectangle(pen, rect);
e.Graphics.DrawRectangle(penOutline, rect);
pen.Dispose();
}
private void InitializeComponent()
{
this.SuspendLayout();
//
// SimpleStyleRenderer
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(384, 353);
this.Name = "SimpleStyleRenderer";
this.Text = "SimpleStyleRenderer";
this.Paint += new System.Windows.Forms.PaintEventHandler(this.SimpleStyleRenderer_Paint);
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
</source>
11-Pixel Inset Pen
<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; using System.Windows.Forms.VisualStyles; using System.Drawing.Drawing2D; public class Form1 : Form {
public Form1() {
InitializeComponent();
}
private void SimpleStyleRenderer_Paint(object sender, PaintEventArgs e)
{
Rectangle rect = new Rectangle(10, 10, 110, 110);
Pen pen = new Pen(Color.White, 11);
Pen penOutline = new Pen(Color.Black, 1);
penOutline.Alignment = PenAlignment.Inset;
pen.Alignment = PenAlignment.Center;
rect.Offset(10, -25);
e.Graphics.DrawString("11-Pixel Inset Pen", SystemFonts.DefaultFont, Brushes.Black, rect.Location);
rect.Offset(0, 25);
pen.Alignment = PenAlignment.Inset;
e.Graphics.FillRectangle(Brushes.LightBlue, rect);
e.Graphics.DrawRectangle(pen, rect);
e.Graphics.DrawRectangle(penOutline, rect);
pen.Dispose();
}
private void InitializeComponent()
{
this.SuspendLayout();
//
// SimpleStyleRenderer
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(384, 353);
this.Name = "SimpleStyleRenderer";
this.Text = "SimpleStyleRenderer";
this.Paint += new System.Windows.Forms.PaintEventHandler(this.SimpleStyleRenderer_Paint);
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
</source>
creates the custom dash pattern
<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;
Pen p = new Pen(Color.Black, 2);
float[] f = { 15, 5, 10, 5 };
p.DashPattern = f;
g.DrawRectangle(p, 10, 10, 80, 100);
p.Dispose();
}
public static void Main() {
Application.Run(new Form1());
}
}
</source>
creates the custom dash pattern 5
<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);
Pen p = new Pen(Color.Black, 1);
float[] f = { 15, 5, 10, 5 };
p.DashPattern = f;
g.DrawRectangle(p, 10, 10, 80, 100);
p.Dispose();
}
public static void Main() {
Application.Run(new Form1());
}
}
</source>
Custom Pen
<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; using System.Drawing.Drawing2D; public class MainForm : Form {
public MainForm() {
}
protected void OnPaint(PaintEventArgs e) {
Graphics g = e.Graphics;
Pen bluePen = new Pen(Color.Blue, 20);
Pen pen2 = Pens.Firebrick;
g.DrawEllipse(bluePen, 10, 10, 100, 100);
g.DrawLine(pen2, 10, 130, 110, 130);
g.DrawPie(Pens.Black, 150, 10, 120, 150, 90, 80);
Pen pen3 = new Pen(Color.Purple, 5);
pen3.DashStyle = DashStyle.DashDotDot;
g.DrawPolygon(pen3, new Point[]{ new Point(30, 140),
new Point(265, 200), new Point(100, 225),
new Point(190, 190), new Point(50, 330),
new Point(20, 180)});
Rectangle r = new Rectangle(150, 10, 130, 60);
g.DrawRectangle(Pens.Blue, r);
g.DrawString("Hello out there...How are ya?",new Font("Arial", 12), Brushes.Black, r);
Pen customDashPen = new Pen(Color.BlueViolet, 10);
float[] myDashes = { 5.0f, 2.0f, 1.0f, 3.0f };
customDashPen.DashPattern = myDashes;
g.DrawRectangle(customDashPen, ClientRectangle);
}
public static void Main(){
Application.Run(new MainForm());
}
}
</source>
DashDot style Pen
<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; 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) {
Pen p = new Pen(Color.HotPink, 10);
p.DashStyle = DashStyle.DashDot;
Graphics g = this.CreateGraphics();
g.DrawEllipse(p, 10, 15, 105, 250);
}
}
</source>
Dispose a pen
<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);
Pen p = new Pen(Color.Black);
g.DrawLine(p, 0, 0, 100, 100);
p.Dispose();
}
public static void Main() {
Application.Run(new Form1());
}
}
</source>
illustrates the use of multiple Pens
<source lang="csharp"> /* Mastering Visual C# .NET by Jason Price, Mike Gunderloy Publisher: Sybex; ISBN: 0782129110
- /
/*
Example21_2.cs illustrates the use of multiple Pens
- /
using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class Example21_2 : System.Windows.Forms.Form {
private System.ruponentModel.Container components = null;
public Example21_2()
{
InitializeComponent();
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
private void InitializeComponent()
{
this.BackColor = System.Drawing.Color.White;
this.ClientSize = new System.Drawing.Size(400, 400);
this.Name = "Example21_2";
this.Text = "Example21_2";
this.Paint += new System.Windows.Forms.
PaintEventHandler(this.Example21_2_Paint);
}
static void Main()
{
Application.Run(new Example21_2());
}
private void Example21_2_Paint(
object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
// draw two lines with one pen
Pen p = new Pen(Color.Black, 10);
g.DrawLine(p, 25, 25, 375, 375);
g.DrawLine(p, 25, 375, 375, 25);
// draw four lines with another pen
Pen p2 = new Pen(Color.Gray, 7);
p2.EndCap = LineCap.Round;
p2.StartCap = LineCap.ArrowAnchor;
g.DrawLine(p2, 25, 35, 25, 365);
g.DrawLine(p2, 35, 375, 365, 375);
g.DrawLine(p2, 375, 365, 375, 35);
g.DrawLine(p2, 365, 25, 35, 25);
}
}
</source>
make red and blue pens
<source lang="csharp"> using System; using System.Drawing; using System.Drawing.Imaging; using System.Drawing.Drawing2D; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class TestGDI1 : System.Windows.Forms.Form{
//in order to paint something OnPaint method needs to be overridden
protected override void OnPaint(System.Windows.Forms.PaintEventArgs pe) {
//OnPaint method is a member of Form class
//The following call sends pe to an event listener Graphics
base.OnPaint(pe);
//initialize Graphics
System.Drawing.Graphics g=pe.Graphics;
//designate the area of the form where the drawing must take place
//ClientRectangle is a member of Windows.Forms.Control class
System.Drawing.Rectangle client_area=this.ClientRectangle;
//point11 is at the top left corner of the client_area
System.Drawing.Point point11=new System.Drawing.Point(client_area.X,client_area.Y);
//point12 is at the bottom right corner of the client area
System.Drawing.Point point12=new System.Drawing.Point(client_area.Width,client_area.Height);
//create a Brush object of white color
//SolidBrush means that the color does not change from point to point
System.Drawing.Brush background=new System.Drawing.SolidBrush(System.Drawing.Color.White);
//color client_area with solid white brush
g.FillRectangle(background,client_area);
//make red and blue pens
System.Drawing.Pen p=new System.Drawing.Pen(System.Drawing.Color.Red);
System.Drawing.Pen p1=new System.Drawing.Pen(System.Drawing.Color.Blue);
//create points and rectangles
System.Drawing.SizeF size=new System.Drawing.SizeF();
size.Height=160;
size. Width=180;
System.Drawing.PointF point=new System.Drawing.PointF();
point.X=8;
point.Y=40;
System.Drawing.Point point1=new System.Drawing.Point();
point1.X=300;
point1.Y=300;
System.Drawing.Point point2=new System.Drawing.Point();
point2.X=0;
point2.Y=0;
System.Drawing.RectangleF rec =new System.Drawing.RectangleF(point,size);
//draw an ellipse inscribed in the invisible rectangle rec
//to change the size or shape of the ellipse change an invisible rectangle in which it is inscribed
//to change the color of the ellipse, change the color of the pen p which is used to draw it
g.DrawEllipse(p,rec);
//draw a line between a pair of points point1 and point2 with pen p1
g.DrawLine(p1,point1,point2);
}
public static void Main() {
System.Windows.Forms.Application.Run(new TestGDI1());//display form
}
}
</source>
new Pen(clr, f)
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;
class PenWidths: Form {
public static void Main()
{
Application.Run(new PenWidths());
}
public PenWidths()
{
Text = "Pen Widths";
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 brush = new SolidBrush(clr);
float y = 0;
grfx.PageUnit = GraphicsUnit.Point;
grfx.PageScale = 1;
for (float f = 0; f < 3.2; f += 0.2f)
{
Pen pen = new Pen(clr, f);
string str = String.Format("{0:F1} point wide pen: ", f);
SizeF sizef = grfx.MeasureString(str, Font);
grfx.DrawString(str, Font, brush, 0, y);
grfx.DrawLine(pen, sizef.Width, y + sizef.Height / 2,
sizef.Width + 144, y + sizef.Height / 2);
y += sizef.Height;
}
}
}
</source>
new Pen(ForeColor)
<source lang="csharp">
using System; using System.Drawing; using System.Windows.Forms;
class XMarksTheSpot: Form {
public static void Main()
{
Application.Run(new XMarksTheSpot());
}
public XMarksTheSpot()
{
Text = "X Marks The Spot";
ResizeRedraw = true;
}
protected override void OnPaint(PaintEventArgs pea)
{
Graphics grfx = pea.Graphics;
Pen pen = new Pen(ForeColor);
grfx.DrawLine(pen, 0, 0,
ClientSize.Width - 1, ClientSize.Height - 1);
grfx.DrawLine(pen, 0, ClientSize.Height - 1,
ClientSize.Width - 1, 0);
}
}
</source>
new Pen(lgbrush, Math.Min(cx, cy) / 25), Gradient Pen
<source lang="csharp"> 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);
}
}
</source>
Pen alignment: center
<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 = "";
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;
Pen p = new Pen(Color.Black, 3);
p.Alignment = PenAlignment.Center;
g.DrawRectangle(p, 3, 3, 80, 70);
p.Dispose();
}
private void Form1_Resize(object sender, System.EventArgs e)
{
Invalidate();
}
}
</source>
Pen alignment: inset
<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 = "";
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;
Pen p = new Pen(Color.Black, 3);
p.Alignment = PenAlignment.Inset;
g.DrawRectangle(p, 3, 3, 80, 70);
p.Dispose();
}
private void Form1_Resize(object sender, System.EventArgs e)
{
Invalidate();
}
}
</source>
Pen Dash Caps: Flat, Round, Triangle
<source lang="csharp">
using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms;
class PenDashCaps: Form {
MenuItem miChecked;
public static void Main()
{
Application.Run(new PenDashCaps());
}
public PenDashCaps()
{
ResizeRedraw = true;
Menu = new MainMenu();
Menu.MenuItems.Add("&Width");
int[] aiWidth = { 1, 2, 5, 10, 15, 20, 25 };
foreach (int iWidth in aiWidth)
Menu.MenuItems[0].MenuItems.Add(iWidth.ToString(),
new EventHandler(MenuWidthOnClick));
miChecked = Menu.MenuItems[0].MenuItems[0];
miChecked.Checked = true;
}
void MenuWidthOnClick(object obj, EventArgs ea)
{
miChecked.Checked = false;
miChecked = (MenuItem) obj;
miChecked.Checked = true;
Invalidate();
}
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)
{
Pen pen = new Pen(clr, Convert.ToInt32(miChecked.Text));
pen.DashStyle = DashStyle.DashDotDot;
foreach (DashCap dc in Enum.GetValues(typeof(DashCap)))
{
pen.DashCap = dc;
grfx.DrawLine(pen, cx / 8, cy / 4, 7 * cx / 8, cy / 4);
grfx.TranslateTransform(0, cy / 4);
}
}
}
</source>
Pen Dash Styles
<source lang="csharp"> /* User Interfaces in C#: Windows Forms and Custom Controls by Matthew MacDonald Publisher: Apress ISBN: 1590590457
- /
using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Drawing.Drawing2D; namespace GDI_Basics {
/// <summary>
/// Summary description for PenDashStyles.
/// </summary>
public class PenDashStyles : System.Windows.Forms.Form
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ruponentModel.Container components = null;
public PenDashStyles()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
//
// PenDashStyles
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(500, 398);
this.Name = "PenDashStyles";
this.Text = "PenDashStyles";
this.Resize += new System.EventHandler(this.PenDashStyles_Resize);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.PenDashStyles_Paint);
}
#endregion
[STAThread]
static void Main()
{
Application.Run(new PenDashStyles());
}
private void PenDashStyles_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Pen myPen = new Pen(Color.Blue, 10);
int y = 20;
foreach (DashStyle dash in System.Enum.GetValues(typeof(DashStyle)))
{
myPen.DashStyle = dash;
e.Graphics.DrawLine(myPen, 20, y, 100, y);
e.Graphics.DrawString(dash.ToString(), new Font("Tahoma", 8), Brushes.Black, 120, y - 10);
y += 30;
}
y += 10;
myPen.StartCap = LineCap.Round;
myPen.EndCap = LineCap.Round;
foreach (DashStyle dash in System.Enum.GetValues(typeof(DashStyle)))
{
myPen.DashStyle = dash;
e.Graphics.DrawLine(myPen, 20, y, 100, y);
e.Graphics.DrawString(dash.ToString() + " (with round caps)", new Font("Tahoma", 8), Brushes.Black, 120, y - 10);
y += 30;
}
}
private void PenDashStyles_Resize(object sender, System.EventArgs e)
{
this.Invalidate();
}
}
}
</source>
Pen width and color
<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 MainForm : System.Windows.Forms.Form
{
public MainForm()
{
InitializeComponent();
CenterToScreen();
SetStyle(ControlStyles.ResizeRedraw, true);
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Text = "Pens...";
this.Resize += new System.EventHandler(this.Form1_Resize);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.MainForm_Paint);
}
static void Main()
{
Application.Run(new MainForm());
}
private void MainForm_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
Pen bluePen = new Pen(Color.Blue, 20);
Pen pen2 = Pens.Firebrick;
// Render some shapes with the pens.
g.DrawEllipse(bluePen, 10, 10, 100, 100);
g.DrawLine(pen2, 10, 130, 110, 130);
g.DrawPie(Pens.Black, 150, 10, 120, 150, 90, 80);
}
private void Form1_Resize(object sender, System.EventArgs e)
{
Invalidate();
}
}
</source>
Set DashStyle
<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Drawing.Drawing2D; 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);
Pen p = new Pen(Color.Black, 1);
p.DashStyle = DashStyle.Dash;
g.DrawLine(p, 3, 3, 100, 3);
p.Dispose();
}
public static void Main() {
Application.Run(new Form1());
}
}
</source>
Set LineJoin for Pen
<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.SmoothingMode = SmoothingMode.AntiAlias;
g.FillRectangle(Brushes.White, this.ClientRectangle);
Pen p = new Pen(Color.Black, 10);
p.LineJoin = LineJoin.Bevel;
e.Graphics.DrawRectangle(p, 20, 20, 60, 60);
p.Dispose();
}
public static void Main() {
Application.Run(new Form1());
}
}
</source>
StartCap, EndCap
<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; 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;
Pen p = new Pen(Color.Brown, 15);
p.StartCap = LineCap.SquareAnchor;
p.EndCap = LineCap.SquareAnchor;
g.DrawLine(p, 30, 190, Width - 50, 190);
}
}
</source>
