HtmlImageAdapter.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / Adapters / HtmlImageAdapter.cs / 1305376 / HtmlImageAdapter.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

using System.Security.Permissions; 
 
#if COMPILING_FOR_SHIPPED_SOURCE
namespace System.Web.UI.MobileControls.ShippedAdapterSource 
#else
namespace System.Web.UI.MobileControls.Adapters
#endif
 
{
    /* 
     * HtmlImageAdapter class. 
     */
    ///  
    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
    public class HtmlImageAdapter : HtmlControlAdapter 
    {
        ///  
        protected new Image Control 
        {
            get 
            {
                return (Image)base.Control;
            }
        } 

        ///  
        public override void Render(HtmlMobileTextWriter writer) 
        {
            String target = Control.NavigateUrl; 

            writer.EnterLayout(Style);
            if (!String.IsNullOrEmpty(target))
            { 
                RenderBeginLink(writer, target);
            } 
 
            if (String.IsNullOrEmpty(Control.ImageUrl))
            { 
                // Just write the alternate as text
                writer.EnsureStyle();
                writer.MarkStyleContext();
                writer.EnterFormat(Style); 
                writer.WriteText(Control.AlternateText, true);
                writer.ExitFormat(Style); 
                writer.UnMarkStyleContext(); 
            }
            else 
            {
                RenderImage(writer);
            }
 
            if (!String.IsNullOrEmpty(target))
            { 
                RenderEndLink(writer); 
            }
            writer.ExitLayout(Style, Control.BreakAfter); 
        }

        /// 
        protected internal virtual void RenderImage(HtmlMobileTextWriter writer) 
        {
            String source = Control.ImageUrl; 
 
            writer.WriteBeginTag("img");
 
            if (!String.IsNullOrEmpty(source))
            {
                // AUI 3652
                source = Control.ResolveUrl(source); 

                writer.WriteAttribute("src", source, true /*encode*/); 
                writer.AddResource(source); 
            }
 
            if (!String.IsNullOrEmpty(Control.AlternateText))
            {
                writer.WriteAttribute("alt", Control.AlternateText, true);
            } 

            writer.WriteAttribute("border", "0"); 
            writer.Write(" />"); 
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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