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public MyFristGUI()
{
InitializeComponent();
t.Interval = 4;
flag = new Bitmap(480, 160);
g = Graphics.FromImage(flag);
t.Tick += T_Tick;
}
Bitmap flag;
Graphics g;
int x = 20;
int y = 20;
Timer t = new Timer();
private void button1_Click(object sender, EventArgs e)
{
this.richTextBox1.Text = "button pressed";
}
private void T_Tick(object sender, EventArgs e)
{
var rand2 = new Random();
g = Graphics.FromImage(flag);
g.Clear(Color.White);
g.DrawCircle(new Pen(Brushes.Red, 2), x, y, 20);
g.FillCircle(Brushes.Red, x, y, 20);
x = x+rand2.Next(-10, 10);
y = y+ rand2.Next(-10,10);
if (x > 460) x = x - 10;
if (x < 20) x = x + 10;
if (y > 140) y = y - 10;
if (y < 20) y = y + 10;
pictureBox2.Image = flag;
}
private void MyFristGUI_Load(object sender, EventArgs e)
{
}
private void button2_MouseClick(object sender, MouseEventArgs e)
{
var rand = new Random();
x = rand.Next(20, 460);
y = rand.Next(20, 140);
t.Start();
this.button2.Visible = false;
this.button3.Text = "STOP";
this.button3.Visible = true;
}
private void button3_MouseClick(object sender, MouseEventArgs e)
{
t.Stop();
g.Clear(BackColor);
this.button3.Visible = false;
this.button2.Visible = true;
pictureBox2.Image = flag;
}
}
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