SmsSenderConfigSection

namespace CustomConfigSectionForT4.ConfigSection
{
    using System;
    using System.Configuration;
    /*
    Add the code your app.config or web.config
    <configSections>
        <section name="SmsSenderConfigSection" type="CustomConfigSectionForT4.ConfigSection.SmsSenderConfigSection,CustomConfigSectionForT4" />
    </configSections>
    <SmsSenderConfigSection UserName="example value"  Password="example value"  MsIsdn="example value">						 
        <ForbiddenNumbers>
            <add value="example value" />
        </ForbiddenNumbers>
    </SmsSenderConfigSection>
    */
    public class SmsSenderConfigSection : ConfigurationSection
    {
        [ConfigurationProperty("UserName")]
        public System.String UserName
        {
            get
            {
                return (System.String)this["UserName"];
            }
            set
            {
                this["UserName"] = value;
            }
        }
        [ConfigurationProperty("Password")]
        public System.String Password
        {
            get
            {
                return (System.String)this["Password"];
            }
            set
            {
                this["Password"] = value;
            }
        }
        [ConfigurationProperty("MsIsdn")]
        public System.String MsIsdn
        {
            get
            {
                return (System.String)this["MsIsdn"];
            }
            set
            {
                this["MsIsdn"] = value;
            }
        }
        [ConfigurationProperty("ForbiddenNumbers")]
        public ValueConfigurationCollection<string> Names
        {
            get
            {
                return (ValueConfigurationCollection<System.String>)base["ForbiddenNumbers"];
            }
        }


    }

    public class ValueConfigurationElement<T> : ConfigurationElement
    {
        private const string ValueAttributeName = "value";

        [ConfigurationProperty(ValueAttributeName, IsKey = true)]
        public T Value
        {
            get { return (T)this[ValueAttributeName]; }
            set { this[ValueAttributeName] = value; }
        }
    }

    public class ValueConfigurationCollection<T> : ConfigurationElementCollection
    {
        protected override ConfigurationElement CreateNewElement()
        {
            return new ValueConfigurationElement<T>();
        }

        protected override object GetElementKey(ConfigurationElement element)
        {
            return ((ValueConfigurationElement<T>)element).Value.GetHashCode();
        }
    }


}