Подскажите причину, почему движение с помощью кнопки работает а с помощью кнопок нет?
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace Lab2_9
{
public partial class Form1 : Form
{
int s = 0;
int n = 0;
public Form1()
{
InitializeComponent();
}
public void pictureBox1_Paint(object sender, PaintEventArgs e)
{
drawRectangle(e.Graphics);
}
void drawRectangle(Graphics g)
{
Pen blackGreen = new Pen(Color.Green, 3);
Rectangle rect = new Rectangle(50, 50, 100, 100);
g.DrawLine(blackGreen, new Point(s, n), new Point(s, 60 + n));
g.DrawLine(blackGreen, new Point(s + 50, n), new Point(s + 50, 60 + n));
g.DrawLine(blackGreen, new Point(s + 25, 30 + n), new Point(s + 50, n));
g.DrawLine(blackGreen, new Point(s + 25, 30 + n), new Point(s, n));
}
private void Form1_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Up:
for (int i = 0; i < 10; i++)
{
n += 10;
Thread.Sleep(100);
pictureBox1.Refresh();
}
break;
case Keys.Down:
for (int i = 0; i < 10; i++)
{
n -= 10;
Thread.Sleep(100);
pictureBox1.Refresh();
}
break;
case Keys.Right:
for (int i = 0; i < 10; i++)
{
s += 10;
Thread.Sleep(100);
pictureBox1.Refresh();
}
break;
case Keys.Left:
for (int i = 0; i < 10; i++)
{
s -= 10;
Thread.Sleep(100);
pictureBox1.Refresh();
}
break;
default:
break;
}
}
private void button1_Click(object sender, EventArgs e)
{
for (int i = 0; i < 10; i++)
{
s += 10;
Thread.Sleep(50);
pictureBox1.Refresh();
}
}
}
}
