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 PruebaDeGraficos
{
public partial class Form1 : Form
{
int x, y;
int finx, finy;
int ox, oy;
int maxescx, maxescy;
int rpunto;
bool clicdowncurva = false;
private List
<Point
> mispuntos
= new List
<Point
>();
public Form1()
{
InitializeComponent();
x = 150;
y = 40;
mispuntos
.Add(new Point
(0,
1)); mispuntos
.Add(new Point
(1,
1)); mispuntos
.Add(new Point
(2,
1)); }
private void Form1_Paint(object sender, PaintEventArgs e)
{
rpunto = 4;
ox = 30;
oy = 30;
finx = this.Width - 85;
finy = this.Height - 95;
maxescx = finx - ox;
maxescy = finy - oy;
mispuntos
[0]=new Point
(ox, finy
); mispuntos
[1]=new Point
(finx, finy
); System.Drawing.Pen myPen
= new System.Drawing.Pen(System.Drawing.Color.Red); System.Drawing.Graphics formGraphics;
formGraphics = this.CreateGraphics();
formGraphics.DrawRectangle(myPen, ox,oy,maxescx,maxescy);
mispuntos
[2]=new Point
(x, y
); formGraphics.DrawEllipse(myPen, x-rpunto, y-rpunto, 2*rpunto, 2*rpunto);
Font pruebaFont
= new Font
("Haettenschweiler",
10); Brush blackBrush = Brushes.Black;
formGraphics.DrawString(x.ToString()+" , "+y.ToString(), pruebaFont, blackBrush, x, y-20);
myPen.Color = Color.Blue;
formGraphics.DrawLines(myPen, mispuntos.ToArray());
myPen.Dispose();
formGraphics.Dispose();
}
private void Form1_MouseMove(object sender, MouseEventArgs e)
{
if (clicdowncurva)
{
x = e.X;
y = e.Y;
Invalidate();
}
}
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
clicdowncurva = true;
x = e.X;
y = e.Y;
Invalidate();
}
private void Form1_MouseUp(object sender, MouseEventArgs e)
{
clicdowncurva = false;
}
}
}