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.. :

f(x) = A sin (ωt) + D,

A - , ω - , D - .

:

Random:

Random rnd = new Random();

, , Next();

// 1 3

int random_talk = rnd.Next(1, 4);

 

 

System.Drawing GDI+ Windows. Graphics .

# DrawLine Graphics.

: , pictureBox , . pictureBox.

pictureBox , . , .

1. Windows Form

2. : Button1 pictureBox1. , .

3. , private void Form1_Load(object sender, System.EventArgs e)

4. - Button1, private void button1_Click(object sender, EventArgs e).

5. - pictureBox1, pictureBox1 . pictureBox1 Paint, private void pictureBox1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)

6. , .

7. : pictureBox1.Paint += new System.Windows.Forms.PaintEventHandler(this.pictureBox1_Paint);

8. pictureBox1 pictureBox1_Paint.

9. .

 

:

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

// , .

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

 

namespace WindowsFormsApplication1

{

public partial class Form1: Form

{

public Form1()

{

InitializeComponent();

}

 

float [] x = { 100.78F, 50.12F, 200.99F }; // -

float [] y = { 100.45F, 200.77F, 300.18F }; // y-

 

private void Form1_Load(object sender, System.EventArgs e)

{

//

this. Height = 700;

this. Width = 900;

 

// pictureBox1,

this. pictureBox1.Location = new System.Drawing.Point(40, 40);

 

// pictureBox1

this. pictureBox1.Width = 600;

this. pictureBox1.Height = 500;

 

// button1

this. button1.Left = this. Width - this. button1.Width - 10;

this. button1.Top = this. Height - this. button1.Height-40;

this. button1.Text = "";

}

 

private void pictureBox1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)

{

// PictureBox

Graphics g = e.Graphics;

 

//

g.DrawLine(Pens.Red, x[0], y[0], x[1], y[1]);

g.DrawLine(Pens.Red, x[1], y[1], x[2], y[2]);

g.DrawLine(Pens.Red, x[0], y[0], x[2], y[2]);

}

 

private void button1_Click(object sender, EventArgs e)

{

pictureBox1.BackColor = Color.White;

pictureBox1.Visible = true;

 

// Connect the Paint event of the PictureBox to the event handler method.

pictureBox1.Paint += new System.Windows.Forms.PaintEventHandler(this. pictureBox1_Paint);

}

}

}





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