HyperLinkDesigner.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WebForms / System / Web / UI / Design / WebControls / HyperLinkDesigner.cs / 1 / HyperLinkDesigner.cs
                        

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

namespace System.Web.UI.Design.WebControls { 
    using System.ComponentModel; 
    using System.ComponentModel.Design;
 
    using System.Diagnostics;

    using System;
    using System.Web.UI.WebControls; 
    using Microsoft.Win32;
 
    ///  
    /// 
    ///     
    ///       The designer for the 
    ///       web control.
    ///    
    ///  
    [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)]
    [SupportsPreviewControl(true)] 
    public class HyperLinkDesigner : TextControlDesigner { 

        ///  
        /// 
        ///    
        ///       Gets the design time HTML of the 
        ///       control. 
        ///    
        ///  
        public override string GetDesignTimeHtml() { 
            HyperLink h = (HyperLink)Component;
            string originalText  = h.Text; 
            string imageUrl = h.ImageUrl;

            string originalUrl = h.NavigateUrl;
 
            Debug.Assert(originalText != null);
            Debug.Assert(imageUrl != null); 
 
            Debug.Assert(originalUrl != null);
 
            bool blankText = (originalText.Trim().Length == 0) && (imageUrl.Trim().Length == 0);
            bool blankUrl = (originalUrl.Trim().Length == 0);

            bool hasControls = h.HasControls(); 
            Control[] children = null;
 
            if (blankText) { 
                if (hasControls) {
                    children = new Control[h.Controls.Count]; 
                    h.Controls.CopyTo(children, 0);
                }
                h.Text = "[" + h.ID + "]";
            } 
            if (blankUrl) {
                h.NavigateUrl = "url"; 
            } 
            string html;
 
            try {
                html = base.GetDesignTimeHtml();
            }
            finally { 
                if (blankText) {
                    h.Text = originalText; 
                    if (hasControls) { 
                        foreach (Control c in children) {
                            h.Controls.Add(c); 
                        }
                    }
                }
                if (blankUrl) { 
                    h.NavigateUrl = originalUrl;
                } 
            } 
            return html;
        } 

        public override void OnComponentChanged(object sender, ComponentChangedEventArgs ce) {
            base.OnComponentChanged(sender, new ComponentChangedEventArgs(ce.Component, null, null, null));
        } 
    }
} 
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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