Image.AddAttributesToRender Method (HtmlTextWriter)
.NET Framework (current version)
This API supports the product infrastructure and is not intended to be used directly from your code.
Adds the attributes of an Image to the output stream for rendering on the client.
Assembly: System.Web (in System.Web.dll)
Parameters
- writer
-
Type:
System.Web.UI.HtmlTextWriter
A System.Web.UI.HtmlTextWriter that contains the output stream to render on the client browser.
The following code example demonstrates how to override the AddAttributesToRender method in a custom server control so that the Image always displays with a thin border.
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %> <%@ Page Language="VB" AutoEventWireup="True" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head> <title>Custom Image - AddAttributesToRender - VB.NET Example</title> </head> <body> <form id="Form1" method="post" runat="server"> <h3>Custom Image - AddAttributesToRender - VB.NET Example</h3> <aspSample:CustomImageAddAttributesToRender id="Image1" runat="server" ImageUrl="http://www.microsoft.com/homepage/gif/bnr-microsoft.gif" AlternateText="Microsoft Home" /> </form> </body> </html>
<AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _ Public NotInheritable Class CustomImageAddAttributesToRender Inherits System.Web.UI.WebControls.Image Protected Overrides Sub AddAttributesToRender(ByVal writer As System.Web.UI.HtmlTextWriter) ' Show the Image with a thin border. writer.AddStyleAttribute("border-width", "thin") ' Call the Base's AddAttributesToRender method. MyBase.AddAttributesToRender(writer) End Sub End Class
.NET Framework
Available since 1.1
Available since 1.1
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