Inside Macintosh: Interapplication Communication /

Chapter 12 - Data Access Manager / Data Access Manager Reference

Data Access Manager Routines / Installing and Removing Result Handlers

DBRemoveResultHandler

You can use the DBRemoveResultHandler function to remove an application result handler.

FUNCTION DBRemoveResultHandler (dataType: DBType): OSErr;

dataType

The type of result handler to remove.

DESCRIPTION

The DBRemoveResultHandler function removes from memory the specified application result handler. This function cannot remove a system result handler.

SPECIAL CONSIDERATIONS

The DBRemoveResultHandler function may move or purge memory. You should not call this routine from within an interrupt, such as in a completion routine or a VBL task.

ASSEMBLY-LANGUAGE INFORMATION

The trap macro and routine selector for the DBRemoveResultHandler function are

Trap macro	Selector
_DBRemoveResultHandler	$0215

RESULT CODES

noErr	0	No error
rcDBNoHandler	-811	There is no handler for this data type installed for the current application
rcDBPackNotInited	-813	The InitDBPack function has not yet been called

SEE ALSO

For a discussion of result handlers, see "Converting Query Results to Text" beginning on page 12-43.