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Re: icon on dialog box

nitingonsalves25-Feb-03 4:40

nitingonsalves

25-Feb-03 4:40

Rescaling the image ends up distorting it. I am using Microsoft Photoeditor.

I'm definitely doing this the wrong way but don't know why.

Thanks
Nitin

Re: icon on dialog box

will138325-Feb-03 5:13

will1383

25-Feb-03 5:13

You are doing it the right way. When you rescale the image in Photoeditor, you have to ensure you keep the aspect ratio the same, otherwise you will end up with a distorted image.

example:
the image you have is 400x800 pixels. This is a 1:2 ratio, so when you resize the 400 to say, 200, you then have to change the 800 by the same aspect ratio about, which is 50% here, so you would end up with a new image size of 200x400, which is smaller but still maintains the same aspect ratio and should not distort the image.

I hope this helps!

Dan Willis

Re: icon on dialog box

nitingonsalves25-Feb-03 7:43

nitingonsalves

25-Feb-03 7:43

Thanks
It did help but now I am unable to resize the icon and it is tiny. How do I correct this?

Regards
Nitin

open ACCESS mdb file

Dudi Avramov25-Feb-03 3:44

Dudi Avramov

25-Feb-03 3:44

I fail to open an ACCESS mdb file by DAO unless i convert the mdb file to old version.
How can i open the original database (the one from which i converted to old version)?

Re: open ACCESS mdb file

palbano25-Feb-03 10:14

palbano

25-Feb-03 10:14

sounds like you need to update your DAO library on that machine. I think it might be wrapped in MDAC now.

"No matter where you go, there your are..." - Buckaoo Banzi

-pete

Re: open ACCESS mdb file

Willem B26-Feb-03 3:41

Willem B

26-Feb-03 3:41

why not use ADO, its much faster.... and i can handle the newest database file

http://www.codeproject.com/database/caaadoclass1.asp[^] This class is very simular to a DAO database class

[]D [] []D []

choosing a database

Jerome Conus25-Feb-03 3:41

Jerome Conus

25-Feb-03 3:41

Hi,

I've heard of many databases : Access, SQL Server, Interbase, Oracle, MySQL, etc...

Now, I have to choose one, and I don't know how to decide. I guess to be able to choose, I need to know what are my needs. Well, I need a portable database, efficent, fast, reliable, etc....
How can I decide which one is the best (okay, I already know I won't use Access, I need a real database server) ?

Any suggestions welcome !
Thanks !
Jerome

Re: choosing a database

Alvaro Mendez25-Feb-03 5:30

Alvaro Mendez

25-Feb-03 5:30

I don't know anything about MySQL, but I imagine that there's plenty of info available on the web. I do know Oracle, and it's got all the features you listed: portable, efficent, fast, reliable. However, I don't know about much about its price, which I imagine is not cheap. Also, the tools that come with it haven't been the best in the past few years. There are some nice third-party ones available (such as TOAD) which make working with Oracle very nice.

SQL Server would probably be my top choice if portability wasn't an issue.

Regards,
Alvaro

The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing. -- Albert Einstein

database creation

Anonymous25-Feb-03 3:38

Anonymous

25-Feb-03 3:38

how can I create an Access database programmatically from my VC++ 6 application?

I'd appreciate any help.

Thanks a lot.

n Confused | :confused:

Re: database creation

Alexinuk25-Feb-03 3:43

Alexinuk

25-Feb-03 3:43

Look at using the CDaoDatabase, CDaoRecordset, and more specifically CDaoWorkspace. These MFC classes should allow you to create a .mdb file with is a database using Microsoft's Jet engine.

-Alex

Re: database creation

Anonymous25-Feb-03 5:34

Anonymous

25-Feb-03 5:34

Thanks,
could you direct me to any basic sample?

Thanks.

n

Re: database creation

Alexinuk25-Feb-03 21:26

Alexinuk

25-Feb-03 21:26

The only thing I can think of from the top of my head is MSDN. Otherwise try searching Google for CDaoWorkspace.

Cheers,

Alex

Re: database creation

Anonymous25-Feb-03 21:33

Anonymous

25-Feb-03 21:33

Alex,

Thanks a lot for your help.

N

help! visual C++ 6.0

abritto25-Feb-03 3:17

abritto

25-Feb-03 3:17

i'm new to programming and i was wondering if it is possible to run these c++ projects done in VisualC++.net on a visual C++ 6.0 compiler etc. Should it work or is there too many differences in them? Thanks.

Re: help! visual C++ 6.0

benjymous25-Feb-03 3:28

benjymous

25-Feb-03 3:28

It's hard to say. If no .net features, or MFC 7 features are used, then it should be possible, but most .net projects you'll find here will be making use of .net features

--
Help me! I'm turning into a grapefruit!

Debug Version of MAPI

Anonymous25-Feb-03 3:11

Anonymous

25-Feb-03 3:11

Does somebody know where to get Debug Version of MAPI?

Can´t access close button in a modeless cdialog

Stefan_L_0125-Feb-03 2:56

Stefan_L_01

25-Feb-03 2:56

Hello

I use a modeless CDialog to display some CProgessCtrl controls. It has a Close button which i want to use to abort a loop. The progress controls of the modeless dialog are updated during this loop.

The constructor of the dialog is

CDialogVorgang::CDialogVorgang(CWnd* pParent /*=NULL*/)<br />
	: CDialog()<br />
{<br />
	Create(CDialogVorgang::IDD, pParent);<br />
	<br />
//{{AFX_DATA_INIT(CDialogVorgang)<br />
	//}}AFX_DATA_INIT<br />
}<br />

and i initialize it with

<br />
		// Modeless dialog init<br />
		CDialogVorgang* pDlgVorgang = new CDialogVorgang();	<br />
		pDlgVorgang->SetWindowText("Datenbank Aktualisierung");<br />
		pDlgVorgang->m_cProgressVorgang.SetRange(0, 3);<br />
		pDlgVorgang->m_cProgressGesamt.SetRange(0, v_oaV->GetSize());<br />
		<br />
                // Show Dialog<br />
		pDlgVorgang->ShowWindow(SW_SHOW);<br />
<br />
                // is somehow necessary to display static text (??)<br />
		pDlgVorgang->UpdateWindow();	<br />
               <br />
                // loop<br />
		for (int nv = 0; nv < v_oaV->GetSize(); nv++)<br />
		{<br />
			pDlgVorgang->IncGesamt();<br />
			pDlgVorgang->ResetVorgang();<br />
			pDlgVorgang->IncVorgang();<br />
<br />
                        .....<br />
                }<br />
<br />

The dialog shows up, and the progess controls are adjusted correctly(in the functions IncGesamt, ResetVorgang etc), but i can´t press the cancel button during the loop. Only AFTER the loop has stopped i can close the dialog.
It´s also strange that i had to include the UpdateWindow function. Without it static text would not have showed up, even the cancel button was invisible.
I added for testing a windowproc message handling function to my modeless cdialog class, but during the loop it is never called.

Is it possible that the loop - and thus the adjustment of the progess controls - starts to quickly before the window is registered? Do i have to wait a bit, and if so, how?

Thank you for any help

niklas

Re: Can´t access close button in a modeless cdialog

Joan M25-Feb-03 3:16

Joan M

25-Feb-03 3:16

The problem with the button is that you are getting all the CPU occupied with your loop (take a look at the task administrator) and then you can press the button but it won't be able to be processed until the exit of your loop.

If you want to solve it think about creating a thread in order to be able to update the progress ctrls while you'll be able to cancel the process.

Remember that if you want to handle multiple threads you must control the secondary effects.

-----------------------------------------------------------

It's strange that the static text is not displayed... I can only think about you have any other control over it and that only when you repaint it it can be shown...

Re: Can´t access close button in a modeless cdialog

Stefan_L_0126-Feb-03 1:58

Stefan_L_01

26-Feb-03 1:58

But isn´t a modeless dialog a "standalone" thread? I mean doesn´t modeless mean that it runs independent from any parent as an individual thread?

niklas

Re: Can´t access close button in a modeless cdialog

Joan M26-Feb-03 7:37

Joan M

26-Feb-03 7:37

You are occupying all the cpu in the main thread and nothing reacts as expected.

I still believe that you should implement your loop inside another thread...

hope this helps...

Re: Can´t access close button in a modeless cdialog

Joan M26-Feb-03 7:45

Joan M

26-Feb-03 7:45

Another way to do it (depending on your code) would be to use timer messages to handle that in order to free a little bit more the CPU...

Hope this helps...

Copywright?

Vladimir Georgiev25-Feb-03 2:27

Vladimir Georgiev

25-Feb-03 2:27

I am building a program under Visual C++ 6.0, which I will sell to a industrial customer (a factory). I am using an illegal version of the Visual Studio IDE - a cracked copy.

I would like to ask if there is any way for the authorities to know that I used an illegal copy of VS. Say by examining the executable files? Does VC++ add any signature to all executables it builds?

If you have any idea, please post it...

"Needless redundancy is the hobgoblin of software engineering." - Peter Darnell

Re: Copywright?

jhwurmbach25-Feb-03 2:32

jhwurmbach

25-Feb-03 2:32

Vladimir Georgiev wrote:
I would like to ask if there is any way for the authorities to know that I used an illegal copy of VS.

There has not been a way until now that you have admitted software piracy Big Grin | :-D

My opinions may have changed, but not the fact that I am right.

Re: Copywright?

Willem B25-Feb-03 2:35

Willem B

25-Feb-03 2:35

microsoft says there is no need for a licence for the programs that you built and compile in visual studio. so i guess that it won't compile some info about the visual studio version, and even if it does, it's your program, so they have no rights.

[]D [] []D []

Re: Copywright?

AlexO25-Feb-03 2:41

AlexO

25-Feb-03 2:41

I believe there is compiler information (ID, Ver) stored in every executable linked/compiled with VC.

Last Visit: 31-Dec-99 18:00 Last Update: 27-May-24 15:10

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