в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

Admin: 1 версия

2010-05-26T12:18:47Z

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==Draw an ellipse==

<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 DrawAnEllipse : System.Windows.Forms.Form
{
public DrawAnEllipse()
{
this.BackColor = System.Drawing.Color.White;
this.ClientSize = new System.Drawing.Size(400, 400);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.DrawAnEllipse_Paint);
}
static void Main()
{
Application.Run(new DrawAnEllipse());
}
private void DrawAnEllipse_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
//
Pen p2 = new Pen(Color.Gray, 7);
g.DrawEllipse(p2, 200, 200, 150, 190);
}
}</source>

==DrawEllipse: Traffic Lights==

<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 {
private string strColor;
public static void Main() {
Application.Run(new Form1());
}
private void Form1_Click(object sender, EventArgs e) {
switch (strColor) {
case "red":
strColor = "yellow";
break;
case "yellow":
strColor = "green";
break;
default:
strColor = "red";
break;
}
this.Invalidate(new Rectangle(10, 10, 50, 150));
}
private void Form1_Paint(object sender, PaintEventArgs e) {
Graphics g = e.Graphics;
g.FillRectangle(Brushes.White, this.ClientRectangle);
g.FillRectangle(Brushes.Black, 10, 10, 50, 150);
g.DrawEllipse(Pens.White, 15, 15, 40, 40);
g.DrawEllipse(Pens.White, 15, 60, 40, 40);
g.DrawEllipse(Pens.White, 15, 105, 40, 40);
switch (strColor) {
case "red":
g.FillEllipse(Brushes.Red, 15, 15, 40, 40);
break;
case "yellow":
g.FillEllipse(Brushes.Yellow, 15, 60, 40, 40);
break;
case "green":
g.FillEllipse(Brushes.Green, 15, 105, 40, 40);
break;
default:
g.FillEllipse(Brushes.Red, 15, 15, 40, 40);
break;
}
}
}</source>

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Csharp/CSharp Tutorial/2D/Ellipse - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия