CommandID.cs

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

namespace System.ComponentModel.Design
{
    [ComVisible(true)]
    [HostProtection(SecurityAction.LinkDemand, SharedState = true)]
    [PermissionSet(SecurityAction.LinkDemand, Name = "FullTrust")]
    [PermissionSet(SecurityAction.InheritanceDemand, Name = "FullTrust")]
    public class CommandID
    {
        private readonly Guid menuGroup;

        private readonly int commandID;

        public virtual int ID => commandID;

        public virtual Guid Guid => menuGroup;

        public CommandID(Guid menuGroup, int commandID)
        {
            this.menuGroup = menuGroup;
            this.commandID = commandID;
        }

        public override bool Equals(object obj)
        {
            if (!(obj is CommandID))
            {
                return false;
            }
            CommandID commandID = (CommandID)obj;
            if (commandID.menuGroup.Equals(menuGroup))
            {
                return commandID.commandID == this.commandID;
            }
            return false;
        }

        public override int GetHashCode()
        {
            return (menuGroup.GetHashCode() << 2) | commandID;
        }

        public override string ToString()
        {
            return menuGroup.ToString() + " : " + commandID.ToString(CultureInfo.CurrentCulture);
        }
    }
}