System.Data.Common.DBConnectionString.ContainsKey C# (CSharp) Méthode

        internal bool ContainsKey(string keyword)
        {
            return _parsetable.ContainsKey(keyword);
        }

        internal bool IsSupersetOf(DBConnectionString entry)
        {
            switch (this._behavior)
            {
            case KeyRestrictionBehavior.AllowOnly:
                for (NameValuePair pair = entry.KeyChain; pair != null; pair = pair.Next)
                {
                    if (!this.ContainsKey(pair.Name) && this.IsRestrictedKeyword(pair.Name))
                    {
                        return(false);
                    }
                }
                break;

            case KeyRestrictionBehavior.PreventUsage:
                if (this._restrictionValues != null)
                {
                    foreach (string str in this._restrictionValues)
                    {
                        if (entry.ContainsKey(str))
                        {
                            return(false);
                        }
                    }
                }
                break;

            default:
                throw ADP.InvalidKeyRestrictionBehavior(this._behavior);
            }
            return(true);
        }