simpleimage.aspx

asp.net技术内幕的书配源码

<%@ Page ContentType="image/gif" Language="C#" %>
<%@ Import namespace="System.Drawing" %>
<%@ Import namespace="System.Drawing.Imaging" %>

<script language="C#" runat=server>

void Page_Load(Object sender , EventArgs e) 
{
	Bitmap objBitmap;
	int intCounter;
	Random objRandom;

	//Create Bitmap
	objBitmap = new Bitmap( 400, 200 );

	//Set 1000 Pixels
	objRandom = new Random();
	for (int i = 0; i<1000; i++)
	{
		objBitmap.SetPixel( objRandom.Next( 400 ), objRandom.Next( 200 ), Color.Red );
	}

	//Display Bitmap
	objBitmap.Save( Response.OutputStream, ImageFormat.Gif );
}

</Script>