ApiExamples.ExMailMergeCustom.CustomerMailMergeDataSource.CustomerMailMergeDataSource C# (CSharp) Метод

            public CustomerMailMergeDataSource(CustomerList customers)
            {
                this.mCustomers = customers;

                // When the data source is initialized, it must be positioned before the first record.
                this.mRecordIndex= -1;
            }