This method seams to be workable but things go a little complicated when we
must deal with many fields ..
we can use an alternative method to this when there are too many fields to deal
with. It makes easier even if we change the sizes of the fields...
------------------------------------------------
typedef struct
{
UInt16 iMember;
char strMember[10];
}Record;
void someWriteFun(UInt16 i, char *s)
{
UInt16 recIndex = dmMaxRecordIndex;
Record *rec ;
MemHandle *memH = DmNewRecord(dmRef, &recIndex, sizeof(Record));
if(memH)
{
rec = (Record*) MemHandleLock(memH);
DmWrite(rec, OffSetOf(Record, strMember), s , StrLen(s)));
.
.
.
.
}
}
void someReadFun(UInt16 recIndex, Record *retRec)
{
Record *rec ;
MemHandle *memH = DmGetRecord(dmRef, recIndex);
if(memH)
{
rec = (Record*) MemHandleLock(memH);
if(rec) *recRec = *rec;
MemHandleUnlock(memH);
}
}
void MyOtherUsableFun()
{
...
Record rec
someReadFun(recIndex, &rec);
*USE* rec.iMember
*USE* rec.strMember
...
}
------------------------------------------------------------------------------------
> I finally got it working.
>
> I created a pointer to a char(1byte), that holds the position in
> memory I want to read.
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