Npgsql.NpgsqlParameterCollection.this C# (CSharp) Method

NpgsqlParameterCollection Class Documentation 显示文件 Open project: undeadlabs/Npgsql

this() private method

private this ( int index ) : Npgsql.NpgsqlParameter
index	int
return	Npgsql.NpgsqlParameter

        public new NpgsqlParameter this[int index]
        {
            get
            {
                NpgsqlEventLog.LogIndexerGet(LogLevel.Debug, CLASSNAME, index);
                return this.InternalList[index];
            }
            set
            {
                NpgsqlEventLog.LogIndexerSet(LogLevel.Debug, CLASSNAME, index, value);
                NpgsqlParameter oldValue = this.InternalList[index];

                if (oldValue == value)
                {
                    // Reasigning the same value is a non-op.
                    return;
                }

                if (value.Collection != null)
                {
                    throw new InvalidOperationException("The parameter already belongs to a collection");
                }

                if (value.CleanName != oldValue.CleanName)
                {
                    InvalidateHashLookups();
                }

                this.InternalList[index] = value;
                value.Collection = this;
                oldValue.Collection = null;
            }
        }