Hello!
I have my Data Form in my application and in this form
I initialize List resource in DataFormInit function:
gStringsHandle=DmGetResource('tSTL', ZonesStringList);
if(gStringsHandle)
{
StrListPtr stringsPtr;
listP=FrmGetObjectPtr(frmP, FrmGetObjectIndex(frmP,
DataUnnamed1118List));
stringsPtr=MemHandleLock(gStringsHandle);
gStringArrayH=SysFormPointerArrayToStrings(stringsPtr->firstString,stringsPtr->numStrings);
LstSetListChoices(listP,MemHandleLock(gStringArrayH),stringsPtr->numStrings);
if (gStringsHandle)
MemHandleUnlock(gStringsHandle);
if (gStringsHandle)
DmReleaseResource(gStringsHandle);
}
where StrListPtr is
typedef struct StrListType{
char prefixString;
char numStringsHiByte;
char numStrings;
char firstString[1];
}*StrListPtr;
You can see that I unlock and release gStringsHandle,
but gStringArrayH is still unlocked. When I unlock
gStringArrayH in DataInitForm, my List didn't work and
I unlock it in DataFormHandleEvent() like this
case frmCloseEvent:
if (gStringArrayH)
MemHandleUnlock(gStringArrayH);
gStringArrayH=NULL;
break;
But this implementation requires declaration of
gStringArrayH as a global variable and it is very bad
for memory.
How can I do it (unlock) right??
Thanks,
Sergei
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