Random rd = new Random();
string s = null;
for(int i=0;i<5;i++)//随机数
{
int n = rd.Next(0, 10);
s += n;
}
Bitmap bmp = new Bitmap(200, 50);
Graphics g = Graphics.FromImage(bmp);
for(int i=0;i<5;i++)//画字
{
Point p = new Point(i * 20, 0);
string[] fonts = { "微软雅黑", "宋体", "黑体", "隶书", "仿宋" };
Color[] colors = { Color.Yellow, Color.Blue, Color.Black, Color.Red, Color.Green };
g.DrawString(s[i].ToString(), new Font(fonts[rd.Next(0, 5)], 20, FontStyle.Bold), new SolidBrush(colors[rd.Next(0, 5)]), p);
}
for(int i = 0; i < 50; i++)//画线
{
Point p1 = new Point(rd.Next(0, bmp.Width),rd.Next(0,bmp.Height));
Point p2 = new Point(rd.Next(0, bmp.Width), rd.Next(0, bmp.Height));
g.DrawLine(new Pen(Color.Black), p1, p2);
}
for(int i=0;i<100;i++)//画点
{
Point p = new Point(rd.Next(0, bmp.Width), rd.Next(0, bmp.Height));
bmp.SetPixel(p.X, p.Y, Color.Black);
}
pictureBox1.Image = bmp;