Inside Macintosh: Interapplication Communication /

Chapter 2 - Edition Manager / Edition Manager Reference

Edition Manager Routines / Setting and Getting a Format Mark

SetEditionFormatMark

A format mark indicates the next position of a read or write operation. Initially, a mark defaults to 0. After reading or writing data, the format mark is set past the last position written to or read from. To set the current mark for a given format, use the SetEditionFormatMark function.

FUNCTION SetEditionFormatMark (whichEdition: EditionRefNum;
                               whichFormat: FormatType;
                               setMarkTo: LongInt): OSErr;

whichEdition

The reference number for the edition.

whichFormat

The format type for the edition.

setMarkTo

The offset for the next read or write for this format.

DESCRIPTION

The SetEditionFormatMark function sets the current mark for the specified format type according to the value of the setMarkTo parameter.

RESULT CODES

noErr	0	No error
rfNumErr	-51	Bad edition reference number
noTypeErr	-102	Unknown format (subscriber only)
editionMgrInitErr	-450	Manager not initialized