AdCreatedEventArgs.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 / xsp / System / Web / UI / WebControls / AdCreatedEventArgs.cs / 1 / AdCreatedEventArgs.cs
                        

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

namespace System.Web.UI.WebControls { 
 
    using System.Collections;
    using System.Collections.Specialized; 
    using System.Globalization;
    using System.Security.Permissions;
    using System.Web.Util;
 

    ///  
    /// Provides data for the  event. 
    /// 
    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] 
    [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    public class AdCreatedEventArgs : EventArgs {

        internal const string ImageUrlElement = "ImageUrl"; 
        internal const string NavigateUrlElement = "NavigateUrl";
        internal const string AlternateTextElement = "AlternateText"; 
        private const string WidthElement = "Width"; 
        private const string HeightElement = "Height";
 
        private string imageUrl = String.Empty;
        private string navigateUrl = String.Empty;
        private string alternateText = String.Empty;
        private IDictionary adProperties; 

        private bool hasHeight; 
        private bool hasWidth; 
        private Unit width;
        private Unit height; 


        /// 
        /// Initializes a new instance of the  
        /// class.
        ///  
        public AdCreatedEventArgs(IDictionary adProperties) : 
            this(adProperties, null, null, null) {
        } 

        /// 
        ///     Internal constructor for making use of parameter keys if
        ///     provided.  A note is that we cannot change the constructor 
        ///     above because it was made public.
        ///  
        internal AdCreatedEventArgs(IDictionary adProperties, 
                                    String imageUrlField,
                                    String navigateUrlField, 
                                    String alternateTextField) {
            if (adProperties != null) {
                // Initialize the other properties from the dictionary
                this.adProperties = adProperties; 
                this.imageUrl = GetAdProperty(ImageUrlElement, imageUrlField);
                this.navigateUrl = GetAdProperty(NavigateUrlElement, navigateUrlField); 
                this.alternateText = GetAdProperty(AlternateTextElement, alternateTextField); 

                // VSWhidbey 141916: Check validity of Width and Height 
                hasWidth = GetUnitValue(adProperties, WidthElement, ref width);
                hasHeight = GetUnitValue(adProperties, HeightElement, ref height);
            }
        } 

        ///  
        ///    Gets the dictionary containing all the advertisement 
        ///       properties extracted from the XML file after the 
        ///       event is raised. 
        /// 
        public IDictionary AdProperties {
            get {
                return adProperties; 
            }
        } 
 
        /// 
        ///     
        ///       Specifies the alternate text and tooltip (if browser supported) that will be
        ///       rendered in the .
        /// 
        public string AlternateText { 
            get {
                return alternateText; 
            } 
            set {
                alternateText = value; 
            }
        }

        internal bool HasHeight { 
            get {
                return hasHeight; 
            } 
        }
 
        internal bool HasWidth {
            get {
                return hasWidth;
            } 
        }
 
        internal Unit Height { 
            get {
                return height; 
            }
        }

        ///  
        ///  Specifies the image that will be rendered in the .
        ///  
        public string ImageUrl { 
            get {
                return imageUrl; 
            }
            set {
                imageUrl = value;
            } 
        }
 
        ///  
        ///     Specifies the target URL that will be rendered in the
        ///    . 
        /// 
        public string NavigateUrl {
            get {
                return navigateUrl; 
            }
            set { 
                navigateUrl = value; 
            }
        } 

        internal Unit Width {
            get {
                return width; 
            }
        } 
 
        private String GetAdProperty(String defaultIndex, String keyIndex) {
            String index = (String.IsNullOrEmpty(keyIndex)) ? defaultIndex : keyIndex; 
            String property = (adProperties == null) ? null : (String) adProperties[index];
            return (property == null) ? String.Empty : property;
        }
 
        private bool GetUnitValue(IDictionary properties, String keyIndex, ref Unit unitValue) {
            Debug.Assert(properties != null); 
 
            string temp = properties[keyIndex] as string;
            if (!String.IsNullOrEmpty(temp)) { 
                try {
                    unitValue = Unit.Parse(temp, CultureInfo.InvariantCulture);
                }
                catch { 
                    throw new FormatException(
                        SR.GetString( 
                            SR.AdRotator_invalid_integer_format, temp, keyIndex, typeof(Unit).FullName)); 
                }
                return true; 
            }
            return false;
        }
    } 
}

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