73 lines
1.4 KiB
C
73 lines
1.4 KiB
C
|
/**************************************************************************
|
||
|
|
*hctl - enable/disable retrieval of control lines
|
||
|
|
*
|
||
|
|
* Copyright <C> 1989, Microsoft Corporation
|
||
|
|
*
|
||
|
|
* Purpose:
|
||
|
|
*
|
||
|
|
* Revision History:
|
||
|
|
*
|
||
|
|
* 10-Oct-1990 RJSA Translated to C
|
||
|
|
* 13-May-1990 LN Unlock topic text when through with it.
|
||
|
|
* [] 22-Feb-1989 LN Created
|
||
|
|
*
|
||
|
|
**************************************************************************/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#if defined (OS2)
|
||
|
|
#define INCL_BASE
|
||
|
|
#include <os2.h>
|
||
|
|
#else
|
||
|
|
#include <windows.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <help.h>
|
||
|
|
#include <helpfile.h>
|
||
|
|
#include <helpsys.h>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/**** helpctl - enable/disable retrieval of control lines
|
||
|
|
* void far pascal helpctl(
|
||
|
|
* uchar far *pTopic,
|
||
|
|
* f fEnable
|
||
|
|
* )
|
||
|
|
*
|
||
|
|
* Purpose:
|
||
|
|
* Enables or disables retrieval of embedded help control lines
|
||
|
|
*
|
||
|
|
* Entry:
|
||
|
|
* pTopic = Topic text
|
||
|
|
* fEnable = TRUE=> allow lookups of control lines, else disable
|
||
|
|
*
|
||
|
|
* Exit:
|
||
|
|
* returns nothing
|
||
|
|
*
|
||
|
|
**************************************************************************/
|
||
|
|
|
||
|
|
void pascal
|
||
|
|
HelpCtl (
|
||
|
|
PB pTopic,
|
||
|
|
f fEnable
|
||
|
|
) {
|
||
|
|
|
||
|
|
struct topichdr UNALIGNED *pT;
|
||
|
|
|
||
|
|
|
||
|
|
pT = PBLOCK(pTopic);
|
||
|
|
|
||
|
|
if (pT) {
|
||
|
|
|
||
|
|
pT->lnCur = 1;
|
||
|
|
pT->lnOff = sizeof(struct topichdr);
|
||
|
|
pT->linChar = pT->appChar;
|
||
|
|
|
||
|
|
if (fEnable) {
|
||
|
|
pT->linChar = 0xFF;
|
||
|
|
}
|
||
|
|
|
||
|
|
PBUNLOCK(pTopic);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|