const LONG PTR_S_JOURNAL = 1; const LONG PTR_S_RECEIPT = 2; const LONG PTR_S_SLIP = 4; const LONG PTR_S_JOURNAL_RECEIPT= PTR_S_JOURNAL | PTR_S_RECEIPT; const LONG PTR_S_JOURNAL_SLIP = PTR_S_JOURNAL | PTR_S_SLIP ; const LONG PTR_S_RECEIPT_SLIP = PTR_S_RECEIPT | PTR_S_SLIP ;The first 3 are easy, but I do not understand the last 3. Are they concatenations of 2 constants? e.g., would PTR_S_JOURNAL_RECEIPT be defined as 1 | 2 ==> 12? PTR_S_JOURNAL_SLIP defined as 1 | 4 ==> 14?