How do you convert the date information resulting from a call to SelectDay,
so that it can be displayed in a non-editable field on a form? I am working
in C with CodeWarrior. Here is my current coding attempt. Is there a
simpler way to allow the user to select a date, and then display the
selected date according to the user preference for date format?
static void ShowDatePicker (void)
{
CharPtr titlePtr;
VoidHand titleHand;
SWord month, day, year;
FieldPtr dateFieldPtr;
FormPtr frmPtr;
CharPtr datePtr;
VoidHand dateHand;
Byte dayB, monthB;
Word yearW;
DateFormatType dateFormat;
// get the title for the date picker dialog box
titleHand = DmGetResource (strRsc, 1000);
titlePtr = MemHandleLock (titleHand);
// provide the SelectDay function with a valid date
day = 21;
month = 3;
year = 1965;
// display the date picker
if (SelectDay (selectDayByDay, &month, &day, &year, titlePtr))
{
dayB = (Byte)day;
monthB = (Byte)month;
yearW = (Word)year;
dateHand = DmGetResource (strRsc, 1100);
datePtr = MemHandleLock (dateHand);
//get the current user preference for date format
dateFormat =
(DateFormatType)PrefGetPreference(prefDateFormat);
//convert the date information returned from SelectDay to a
string
DateToDOWDMFormat (monthB, dayB, yearW, dateFormat,
datePtr);
//display a date string in the date field on the form
frmPtr = FrmGetActiveForm();
dateFieldPtr =
FrmGetObjectPtr(frmPtr,FrmGetObjectIndex(frmPtr,DateField));
FldSetTextAllocatedSize(dateFieldPtr,StrLen(datePtr)+1);
FldSetTextPtr(dateFieldPtr,datePtr);
FldDrawField(dateFieldPtr);
}
MemHandleUnlock (titleHand);
MemHandleUnlock (dateHand);
}
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