using System;
using System.Runtime.Serialization;
using System.Security.Permissions;

namespace AyAEM.ExceptionManagement.Exceptions
{
	[Serializable]
	public class CustomAppException : BaseApplicationException
	{
		// private variable for OS Version property
		private string m_OSVersion = Environment.OSVersion.ToString();

		// default constructor
		public CustomAppException() : base()
		{
		}
		// constructor with exception message
		public CustomAppException(string message) : base(message)
		{
		} 
		// constructor with message and inner exception
		public CustomAppException(string message, Exception inner) : base(message, inner)
		{
		}
		// protected constructor to de-seralize state data
		protected CustomAppException(SerializationInfo info, StreamingContext context) : base (info, context)
		{  
			// Initialize state 
			m_OSVersion = info.GetString("m_OSVersion");
		}
	
		// override GetObjectData to serialize state data
		[SecurityPermission(SecurityAction.Demand, SerializationFormatter = true)]
		public override void GetObjectData(SerializationInfo info, StreamingContext context)
		{
			// Serialize this class' state and then call the base class GetObjectData
			info.AddValue("m_OSVersion", m_OSVersion, typeof(string));
			base.GetObjectData(info, context);
		}
		// ReadOnly OS Version property
		public string OSVersion
		{
			get
			{
				return m_OSVersion;
			}
		} 
	}
}