lineargradientbrush.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" %>
<%@ Import namespace="System.Drawing.Drawing2D" %>

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

void Page_Load(Object sender , EventArgs e) 
{
	Bitmap objBitmap;
	Graphics objGraphics;
	Rectangle objRect;
	LinearGradientBrush objBrush;

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

	//Create Graphics
	objGraphics = Graphics.FromImage( objBitmap );

	//Create Rectangle
	objRect = new Rectangle( 10, 10, 300, 100 );

	//Create LinearGradient Brush
	objBrush = new LinearGradientBrush( objRect, Color.Red, Color.Yellow, LinearGradientMode.ForwardDiagonal );

	//Draw Rectangle
	objGraphics.FillRectangle( objBrush, objRect );

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

</Script>