C / C++ / MFC Discussion Boards

Re: Newbie - odbc/mysql

David Crow15-Mar-06 2:44

David Crow

15-Mar-06 2:44

Here is a semi-relevant article.

"Let us be thankful for the fools. But for them the rest of us could not succeed." - Mark Twain

"There is no death, only a change of worlds." - Native American Proverb

Re: Newbie - odbc/mysql

Dennis Gourjii15-Mar-06 3:26

Dennis Gourjii

15-Mar-06 3:26

This article is ok:
http://www.coding-zone.co.uk/cpp/ARTICLES/090101accessodbc.shtml[^]

However, to simplify things you may want to wrap all this ugly ODBC API into a class. This (like so many things around) has already been done. Search CodeProject, I believe there are several such articles.

LSA API's

Putta_V15-Mar-06 0:19

Putta_V

15-Mar-06 0:19

Hi All,

has anybody used the Local Security Authority API's.

basically i need to Grant Network logon rights to a particular user.

if u have any sample code or have any information regarding this please let me know.

Thanks

Re: LSA API's

Hamid_RT15-Mar-06 0:39

Hamid_RT

15-Mar-06 0:39

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secmgmt/security/opening_a_policy_object_handle.asp

maybe it is some helpful to you

Re: LSA API's

Hamid_RT18-Mar-06 2:41

Hamid_RT

18-Mar-06 2:41

Hi Ammu_Putta,
I found this link maybe it is some helpful to you
http://win32.mvps.org/[^]

fax with oulook

martina7615-Mar-06 0:06

martina76

15-Mar-06 0:06

Hi!!
I have a problem and I'm not founding the solution..

I send a fax via Office Outlook from a vc++ program.
My problem is that if I send it with a profile that hasn't got the coversheet, outlook puts however a white page before my fax only with the line "Subject:...".

I think that I ought to set a mapi property, but I have no idea of what!!

thank you

martina

How do I know which font is used in dialog box

IlanTal14-Mar-06 23:44

IlanTal

14-Mar-06 23:44

I would expect that if I use:
CClientDC dc(this);
inside the code for a dialog box it would pick up the font used for that dialog box. In fact, it doesn't. I had to add:

currFont.CreatePointFont(80, "MS Sans Serif", &dc);
oldFont = dc.SelectObject(&currFont);

and then it measured the text extent correctly. (I got the font name and size from the dialog template.)
Clearly, it won't change unless I change it in the project, but I am curious to know how to pick up the information "automatically".

Any suggestions? Thanks,
Ilan

Re: How do I know which font is used in dialog box

grigsoft14-Mar-06 23:50

grigsoft

14-Mar-06 23:50

dc.SelectObject(GetFont()); ?

Igor Green
http://www.grigsoft.com/ - files and folders comparison tools

Re: How do I know which font is used in dialog box

IlanTal15-Mar-06 0:25

IlanTal

15-Mar-06 0:25

Thanks. I didn't think it was that simple.
It must be internally this.GetFont(), otherwise I don't know how it could figure out which font I want.

In any case, it works....

Ilan

Re: How do I know which font is used in dialog box

grigsoft15-Mar-06 0:44

grigsoft

15-Mar-06 0:44

You are right - CWnd::GetFont() returns current font for window. This font is not selected automatically in compatible DC on creation.

Igor Green
http://www.grigsoft.com/ - files and folders comparison tools

Re: How do I know which font is used in dialog box

cmk15-Mar-06 20:42

cmk

15-Mar-06 20:42

As an aside, i ran into this earlier this week in a WinCE (PocketPC 2002) app i was working on.
I found that calling CWnd::GetFont() for a CDialog window always returned NULL.

Turns out this is expected (from MSDN WM_GETFONT for WinCE):
The WM_GETFONT message does not return a font handle if the message is sent to a dialog box created by the DialogBoxParam, DialogBoxIndirectParam, CreateDialogParam, or CreateDialogIndirectParam functions.

...cmk

Save the whales - collect the whole set

Exception occurs when dynamically creating control

Naveen14-Mar-06 23:43

Naveen

14-Mar-06 23:43

Hi,
I have derived a class from the CEdit and overided the function PreSubclassWindow(). Inside this function, I called the SetFont function.

The control works fine if this class is made as the control varaible type. But when I Created a object and called Create() function it throws exception

I found its because of the SetFont in PreSubclassWindow.

Is there any way to get ride of this?
or
Is there any function/message for Edit box(other than PreSubclassWindow)where i could do initialization after the window is created?

Plz help
Thanks in advance

nave

Re: Exception occurs when dynamically creating control

Nibu babu thomas14-Mar-06 23:53

Nibu babu thomas

14-Mar-06 23:53

Naveen R wrote:
Is there any function/message for Edit box(other than PreSubclassWindow)where i could do initialization after the window is created?

OnCreate();

Nibu thomas
Software Developer

Re: Exception occurs when dynamically creating control

Naveen15-Mar-06 0:07

Naveen

15-Mar-06 0:07

We will not get this message while if we create a memeber variable for a control( While creating memeber variable it internally calls SubCalssWindow).

nave

Re: Exception occurs when dynamically creating control

Nibu babu thomas15-Mar-06 0:48

Nibu babu thomas

15-Mar-06 0:48

Naveen R wrote:
But when I Created a object and called Create() function it throws exception

It's working fine here.

Nibu thomas
Software Developer

Re: Exception occurs when dynamically creating control

Naveen15-Mar-06 1:05

Naveen

15-Mar-06 1:05

Thank u nibu but did u followed the step below?

1)Create a dialog based application
2) Derive a class from CEdit say MyEdit
3)In the MyEdit::PreSubclassWindow(), set the font.
4)Place button in the dialog and add function for it say OnButton1().
5) inside OnButton1, write
MyEdit *pEdit = new MyEdit;
PEdit->Create(WS_CHILD|WS_VISIBLE,CRect(0,0,100,100),this,1); // here the exception occurs

nave

Re: Exception occurs when dynamically creating control

Nibu babu thomas15-Mar-06 1:33

Nibu babu thomas

15-Mar-06 1:33

Yeah you are right...

Try this...

1. Create a registered windows message...

2. Now use PostMessage(not SendMessage) to generate this message...

3. Now inside the handler for this message write the required
initialization code.

Thanks to Nishant

You should do this inside PreSubClassWindow().

Nibu thomas
Software Developer

Re: Exception occurs when dynamically creating control

Naveen15-Mar-06 16:03

Naveen

15-Mar-06 16:03

ya currently i have implemented this technique. But this message arrive after the WM_SHOW message has arrived. So some times we can see the font changings( i.e The edit control becomes visbile with actual font and the suddenly it font change.)

Thanks nibu

nave

Re: Exception occurs when dynamically creating control

Trollslayer15-Mar-06 1:38

Trollslayer

15-Mar-06 1:38

If it is within a dialogue use the OnInit function.

The tigress is here Big Grin | :-D

Re: Exception occurs when dynamically creating control

Naveen15-Mar-06 16:08

Naveen

15-Mar-06 16:08

no
i followed the step as explained below

1)Create a dialog based application
2) Derive a class from CEdit say MyEdit
3)In the MyEdit::PreSubclassWindow(), set the font.
4)Place button in the dialog and add function for it say OnButton1().
5) inside OnButton1, write
MyEdit *pEdit = new MyEdit;
PEdit->Create(WS_CHILD|WS_VISIBLE,CRect(0,0,100,100),this,1); // here the exception occurs

nave

-- modified at 22:11 Wednesday 15th March, 2006

Build Error: VS 7

luhfluh14-Mar-06 22:32

luhfluh

14-Mar-06 22:32

Hi all,
I have 2 build errors with no solution to and was wondering if any of ou could help me with.
The first is ----MM error LNK2019: unresolved external symbol _WinMain@16 referenced in function _WinMainCRTStartup

The second ----MM fatal error LNK1120: 1 unresolved externals

All suggestions welcomed. Thanks

Re: Build Error: VS 7

Naveen14-Mar-06 22:44

Naveen

14-Mar-06 22:44

Set wWinMainCRTStartup as the applications entry point

Steps in VS 6 to set the enrty point

project->Settings->Link

in the category combo box select output.
then in the Entry point edit box enter wWinMainCRTStartup

i don't know if this is same for VC7

nave

Re: Build Error: VS 7

Nibu babu thomas14-Mar-06 22:44

Nibu babu thomas

14-Mar-06 22:44

Change the subsystem to WINDOWS.

This is how we change it...

Project
--Project Properties
---Configuration Properties
----Linker
-----System
------SubSystem -->Change this to Windows (/SUBSYSTEM:WINDOWS)

Nibu thomas
Software Developer

Re: Build Error: VS 7

Nibu babu thomas15-Mar-06 1:11

Nibu babu thomas

15-Mar-06 1:11

Can you modify WinMain to _tWinMain

int APIENTRY _tWinMain(
HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow
)
{}

This happens because of UNICODE compilation...

Nibu thomas
Software Developer

Re: Build Error: VS 7

toxcct14-Mar-06 22:48

toxcct

14-Mar-06 22:48

Nibu thomas wrote:
Which version of VS are you using...

it is in the title... VS7

Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.