palmdesktopdatabase.h

CD_高级PALM编程

/********************************************************************
* FILE:				PalmDesktopDatabase.h
*
* DESCRIPTION:		Provides the interfaces necessary to access 
*                   databases created by the PalmDatabaseBuilder.
*
*
* VERSION:		1.0
**********************************************************************/

#ifndef __PalmDesktopDatabase_h
#define __PalmDesktopDatabase_h

/*
 * Manifest constants shared with the PalmDatabaseBuilder.
 * DO NOT CHANGE THESE.
 */
#define pddbDatabaseRecordsHaveType ( 0x0001 )


/***********************************************************************
 * FUNCTION:    	PddbAppInfoRecord
 *
 * DESCRIPTION: 	This routine replaces the MemHandleLock used when 
 *                  accessing the appInfo block for reading.  This routine
 *                  provides a pointer to the appInfo data and the flags.
 *
 * RETURNED:    	A pointer to the record or NULL. Caller must free this.
 ***********************************************************************/
extern MemPtr PddbAppInfoRecord
(
	DmOpenRef dbRef,		// (in) database owning this record.
	UInt16 *flagsP			// (in) pointer of location to place type of record
);

/***********************************************************************
 * FUNCTION:    	PddbRecordLock
 *
 * DESCRIPTION: 	This routine replaces the MemHandleLock used when 
 *                  accessing records for reading.  This routine
 *                  provides a pointer to the data and the type if known.
 *
 * RETURNED:    	A pointer to the record or NULL
 ***********************************************************************/
extern MemPtr PddbRecordLock
(
	DmOpenRef dbRef,		// (in) database owning this record.
	MemHandle recordH,		// (in) handle to database record to lock.
	UInt32 *typeP			// (in) pointer of location to place type of record
);

#endif