Using FldSetTextPtr

[Todd C. Johnson]

I am obviously overlooking something. Using the code below, I expect
to see a value in my non-editable field when I press my
MainConvertButton. However, I do not. What have I missed?
It seems to me that I am using FldSetTextPtr (see ----> in code
below) as documented.

Thanks


static Boolean MainFormHandleEvent(EventPtr eventP)
{
Boolean handled = false;
FormPtr frmP;

FieldPtr  field;
Handle   hFrom;
CharPtr   From;
CharPtr   temp;

frmP = FrmGetActiveForm();


   switch (eventP->eType)
   {
   case menuEvent:
 return MainFormDoCommand(eventP->data.menu.itemID);

   case frmOpenEvent:
 frmP = FrmGetActiveForm();
 MainFormInit( frmP);
 FrmDrawForm ( frmP);
 FrmSetFocus(frmP, FrmGetObjectIndex(frmP, MainConvertFromField));
 handled = true;
 break;

   case ctlSelectEvent:
 switch (eventP->data.ctlSelect.controlID)
 {
    case MainConvertButton:
    // Get From field
    field = GetObjectPtr(MainConvertFromField);
    hFrom = FldGetTextHandle(field);
    if (hFrom) {
              From = MemHandleLock(( void *) hFrom);

       // Release lock
              MemHandleUnlock((void *) hFrom);

       // Set To field
       field=
FrmGetObjectPtr(frmP,FrmGetObjectIndex(frmP,MainConvertToField));
       StrCopy(temp,From);
---->       FldSetTextPtr (field, temp);
       FldDrawField (field);
    }  //  END OF if (hFrom)

    handled = true;
    break;
   } //  END OF switch (eventP->data.ctlSelect.controlID)

default:
break;

}  //  END OF switch (eventP->eType)

 return handled;
}




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