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public partial class Form1 : Form
{
Bitmap bmp;
public Form1()
{
InitializeComponent();
var p = new PictureBox();
p.Load("http://avatar.csdn.net/3/9/3/1_shaobo1203.jpg");
bmp = new Bitmap(p.Image);
}
protected override void OnPaint(PaintEventArgs e)
{
var g = e.Graphics;
var w = bmp.Width / 4;
var h = bmp.Height / 4;
for (var i = 0; i < 4; i++)
{
for (var j = 0; j < 4; j++)
{
var samll = bmp.Clone(new Rectangle(i * w, j * h, w, h), PixelFormat.DontCare);
g.DrawImage(samll, 30 + i * (w + 10), 30 + j * (h + 10));
}
}
}
}