C / C++ / MFC

7-Jan-08 7:00

I'm having a problem with date controls. Basically, I want the 2nd control(finalize date) to default to the date value in the first control(business date). And, the 2nd control should allow the date to be changed to a date that is within one day of the 1st control.

OnDatetimechangeDtcBusiness(NMHDR* pNMHDR, LRESULT* pResult) <br />
{<br />
	// TODO: Add your control notification handler code here<br />
	COleDateTime dtMinRange;<br />
	COleDateTime dtMaxRange;<br />
<br />
	CString csBusDate;<br />
	GetDlgItem(IDC_DTC_BUSINESS)->GetWindowText(csBusDate);<br />
	<br />
	COleDateTime dtBusDate;<br />
	dtBusDate.ParseDateTime(csBusDate);<br />
<br />
	dtMinRange.SetDate(dtBusDate.GetYear(), dtBusDate.GetMonth(), dtBusDate.GetDay() - 1);<br />
	dtMaxRange.SetDate(dtBusDate.GetYear(), dtBusDate.GetMonth(), dtBusDate.GetDay() + 1);<br />
<br />
	((CDateTimeCtrl*)GetDlgItem(IDC_DTC_FINALIZE_DATE))->SetRange(&dtMinRange, &dtMaxRange);<br />
	m_dtFinalizeOnDate = dtBusDate;<br />
	<br />
	*pResult = 0;<br />
}

The 2nd date is not defaulting to the 1st date. The 2nd date is defaulting to one day after the 1st date.

Any and all comments are greatly appreciated. If you see something that could be done a better way, please let me know.

Thank you.

David Crow7-Jan-08 7:04

7-Jan-08 7:04

So what's the problem? Why are you using GetDlgItem() rather than an actual control variable?

"Normal is getting dressed in clothes that you buy for work and driving through traffic in a car that you are still paying for, in order to get to the job you need to pay for the clothes and the car and the house you leave vacant all day so you can afford to live in it." - Ellen Goodman

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littleGreenDude7-Jan-08 7:08

7-Jan-08 7:08

Sorry about that, I edited my message post. The problem is that the 2nd control date is defaulting to one day after the 1st control date(business date).

David Crow7-Jan-08 7:33

7-Jan-08 7:33

littleGreenDude wrote:
The problem is that the 2nd control date is defaulting to one day after the 1st control date(business date).

Isn't that what you told it to do? Confused | :confused:

dtMaxRange.SetDate(dtBusDate.GetYear(), dtBusDate.GetMonth(), dtBusDate.GetDay() + 1);

littleGreenDude7-Jan-08 8:00

7-Jan-08 8:00

No. That sets the allowable range for the 2nd date control. The minimum can be one day before the date of the 1st date control, and the maximum can be up to one day after the date of the 1st control.

((CDateTimeCtrl*)GetDlgItem(IDC_DTC_FINALIZE_DATE))->SetRange(&dtMinRange, &dtMaxRange);

The user should be allowed to change the 2nd date to any value within the 3 day range. But, when they change the date in the 1st control, the range should reset and the new default date of the 2nd date control should be the value of the 1st date control.

David Crow7-Jan-08 8:07

7-Jan-08 8:07

littleGreenDude wrote:
...the new default date of the 2nd date control should be the value of the 1st date control.

So where/what is your code to do this?

littleGreenDude7-Jan-08 8:14

7-Jan-08 8:14

Right after the range is set.

m_dtFinalizeOnDate = dtBusDate;

David Crow7-Jan-08 8:29

7-Jan-08 8:29

Ok, is m_dtFinalizeOnDate a CDateTimeCtrl or CTime object? If the former, shouldn't you be using the SetTime() method?

littleGreenDude7-Jan-08 8:33

7-Jan-08 8:33

m_dtFinalizeOnDate is a COleDateTime object that is set by a CDateTimeCtrl.

David Crow7-Jan-08 8:38

7-Jan-08 8:38

littleGreenDude wrote:
...is set by a CDateTimeCtrl.

I'm not exactly sure what you mean by this, but your code snippet worked fine for me by making one small change.

littleGreenDude7-Jan-08 8:53

7-Jan-08 8:53

"is set by a CDateTimeCtrl" means the control object on the screen is the date time picker control included with the IDE.

DDX_DateTimeCtrl(pDX, IDC_DTC_FINALIZE_DATE, m_dtFinalizeOnDate);

When using ClassWizard to add a member var to the control you are given 2 options one is by control (CDateTimeCtrl), and the other is by value (COleDateTime).

I chose the latter.

COleDateTime m_dtFinalizeOnDate;

What was the one change you made?

David Crow7-Jan-08 10:11

7-Jan-08 10:11

littleGreenDude wrote:
DDX_DateTimeCtrl(pDX, IDC_DTC_FINALIZE_DATE, m_dtFinalizeOnDate);

Did you forget to call UpdateData(FALSE)?

littleGreenDude wrote:
What was the one change you made?

Using CDateTimeCtrl.

littleGreenDude7-Jan-08 10:00

7-Jan-08 10:00

Why would I want to use SetTime()?

jeron17-Jan-08 7:48

jeron1

7-Jan-08 7:48

Can't remember off the top of my head but, this looks potentially dangerous.
dtMinRange.SetDate(dtBusDate.GetYear(), dtBusDate.GetMonth(), dtBusDate.GetDay() - 1);
What if dtBusDate.GetDay() returns a 1?

Maybe using COleDateTimeSpan would be safer?

littleGreenDude7-Jan-08 7:54

CListView - item highliting control ??

7-Jan-08 7:54

You are correct. If I choose Jan 1st, it bombs. I defined COleDateTimeSpan, and it seems to work fine. Except the 2nd date is not defaulting to the same date as the 1st control.

const COleDateTimeSpan dtOneDay(1, 0, 0, 0);<br />
<br />
	dtMinRange = dtBusDate - dtOneDay;<br />
	dtMaxRange = dtBusDate + dtOneDay;

Vaclav_7-Jan-08 6:13

Vaclav_

7-Jan-08 6:13

Left click on the selected item will highlite it but next right click anywhere in control will remove this highlite.
What function does this on / off highlite and can it be contolled?
I basically need to keep the highlite on untill my right click pop-up is done executing not before.
Thanks for your help.
Cheers
Vaclav

Re: CListView - item highliting control ??

David Crow7-Jan-08 7:06