SmtpSection.cs source code in C# .NET

                        Code:
                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Net / System / Net / Configuration / SmtpSection.cs / 1 / SmtpSection.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Net.Configuration 
{ 
    using System;
    using System.Configuration; 
    using System.ComponentModel;
    using System.Globalization;
    using System.Net;
    using System.Net.Mail; 
    using System.Reflection;
    using System.Threading; 
 
    public sealed class SmtpSection : ConfigurationSection
    { 
        public SmtpSection()
        {
            this.properties.Add(this.deliveryMethod);
            this.properties.Add(this.from); 

            this.properties.Add(this.network); 
            this.properties.Add(this.specifiedPickupDirectory); 
        }
 
        [ConfigurationProperty(ConfigurationStrings.DeliveryMethod, DefaultValue = (SmtpDeliveryMethod) SmtpDeliveryMethod.Network)]
        public SmtpDeliveryMethod DeliveryMethod
        {
            get { 
                return (SmtpDeliveryMethod)this[this.deliveryMethod];
            } 
            set { 
                this[this.deliveryMethod] = value;
            } 
        }

        [ConfigurationProperty(ConfigurationStrings.From)]
        public string From 
        {
            get { return (string)this[this.from]; } 
            set { this[this.from] = value; } 
        }
 

        [ConfigurationProperty(ConfigurationStrings.Network)]
        public SmtpNetworkElement Network
        { 
            get {
                return (SmtpNetworkElement)this[this.network]; 
            } 
        }
 
        [ConfigurationProperty(ConfigurationStrings.SpecifiedPickupDirectory)]
        public SmtpSpecifiedPickupDirectoryElement SpecifiedPickupDirectory
        {
            get { 
                return (SmtpSpecifiedPickupDirectoryElement)this[this.specifiedPickupDirectory];
            } 
        } 

        protected override ConfigurationPropertyCollection Properties 
        {
            get
            {
                return this.properties; 
            }
        } 
 
 	
        // 



        ConfigurationPropertyCollection properties = new ConfigurationPropertyCollection(); 

        readonly ConfigurationProperty from = 
            new ConfigurationProperty(ConfigurationStrings.From, typeof(string), null, 
                    ConfigurationPropertyOptions.None);
 
        readonly ConfigurationProperty network =
            new ConfigurationProperty(ConfigurationStrings.Network, typeof(SmtpNetworkElement), null,
                    ConfigurationPropertyOptions.None);
 
        readonly ConfigurationProperty specifiedPickupDirectory =
            new ConfigurationProperty(ConfigurationStrings.SpecifiedPickupDirectory, typeof(SmtpSpecifiedPickupDirectoryElement), null, 
                    ConfigurationPropertyOptions.None); 

        readonly ConfigurationProperty deliveryMethod = 
            new ConfigurationProperty(ConfigurationStrings.DeliveryMethod, typeof(SmtpDeliveryMethod), SmtpDeliveryMethod.Network, new SmtpDeliveryMethodTypeConverter(), null,
                    ConfigurationPropertyOptions.None);

        class SmtpDeliveryMethodTypeConverter : TypeConverter { 
            public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) {
                if (sourceType == typeof(string)) { 
                    return true; 
                }
                return base.CanConvertFrom(context, sourceType); 
            }

            public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) {
                string s = value as string; 
                if (s != null) {
                    s = s.ToLower(CultureInfo.InvariantCulture); 
                    switch (s) { 
                        case "network":
                            return SmtpDeliveryMethod.Network; 
                        case "specifiedpickupdirectory":
                            return SmtpDeliveryMethod.SpecifiedPickupDirectory;
#if !FEATURE_PAL
                        case "pickupdirectoryfromiis": 
                            return SmtpDeliveryMethod.PickupDirectoryFromIis;
#endif 
                    } 
                }
 
                return base.ConvertFrom(context, culture, value);
            }
        }
    } 

    internal sealed class SmtpSectionInternal 
    { 
        internal SmtpSectionInternal(SmtpSection section)
        { 
            this.deliveryMethod = section.DeliveryMethod;
            this.from = section.From;

            this.network = new SmtpNetworkElementInternal(section.Network); 
            this.specifiedPickupDirectory = new SmtpSpecifiedPickupDirectoryElementInternal(section.SpecifiedPickupDirectory);
        } 
 
        internal SmtpDeliveryMethod DeliveryMethod
        { 
            get { return this.deliveryMethod; }
        }

        internal SmtpNetworkElementInternal Network 
        {
            get { return this.network; } 
        } 

        internal string From 
        {
            get { return this.from; }
        }
 
        internal SmtpSpecifiedPickupDirectoryElementInternal SpecifiedPickupDirectory
        { 
            get { return this.specifiedPickupDirectory; } 
        }
 
        SmtpDeliveryMethod                          deliveryMethod;
        string                                      from = null;
        SmtpNetworkElementInternal                  network = null;
        SmtpSpecifiedPickupDirectoryElementInternal specifiedPickupDirectory = null; 

        internal static object ClassSyncObject 
        { 
            get
            { 
                if (classSyncObject == null)
                {
                    Interlocked.CompareExchange(ref classSyncObject, new object(), null);
                } 
                return classSyncObject;
            } 
        } 

        internal static SmtpSectionInternal GetSection() 
        {
            lock (ClassSyncObject)
            {
                SmtpSection section = PrivilegedConfigurationManager.GetSection(ConfigurationStrings.SmtpSectionPath) as SmtpSection; 
                if (section == null)
                    return null; 
 
                return new SmtpSectionInternal(section);
            } 
        }

        private static object classSyncObject;
    } 
}
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SmtpSection.cs source code in C# .NET

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