GacInstalled.cs

using System.Runtime.InteropServices;
using System.Security.Permissions;

namespace System.Security.Policy
{
    [Serializable]
    [ComVisible(true)]
    public sealed class GacInstalled : EvidenceBase, IIdentityPermissionFactory
    {
        public IPermission CreateIdentityPermission(Evidence evidence)
        {
            return new GacIdentityPermission();
        }

        public override bool Equals(object o)
        {
            return o is GacInstalled;
        }

        public override int GetHashCode()
        {
            return 0;
        }

        public override EvidenceBase Clone()
        {
            return new GacInstalled();
        }

        public object Copy()
        {
            return Clone();
        }

        internal SecurityElement ToXml()
        {
            SecurityElement securityElement = new SecurityElement(GetType().FullName);
            securityElement.AddAttribute("version", "1");
            return securityElement;
        }

        public override string ToString()
        {
            return ToXml().ToString();
        }
    }
}