C / C++ / MFC Discussion Boards

How to get the "Internet Explorer_TridentCmboBx" element handler

TAUHIDUL ISLAM31-Dec-03 20:21

31-Dec-03 20:21

I got the "Internet Explorer_TridentCmboBx" element in to the HTML document.
But I can not expand the element from the MFC application.
Please help me to expand the "Internet Explorer_TridentCmboBx" from the MFC application

TAUHID

VC++ 6.0 and XP

pranavamhari31-Dec-03 20:17

pranavamhari

31-Dec-03 20:17

hi,

I can't debug apps using VStudio 6.0 under XP. Do i need to install any updates to VC 6 ? If so, please give the url

regards
hari

Hari Krishnan

Re: VC++ 6.0 and XP

Michael Dunn31-Dec-03 20:20

Michael Dunn

31-Dec-03 20:20

Make sure you have SP 5. Other than that, there's nothing special you need to do to use VC 6 on XP.

--Mike--
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Re: VC++ 6.0 and XP

pranavamhari31-Dec-03 20:44

pranavamhari

31-Dec-03 20:44

Many thanks Mike

Hari Krishnan

From MTA to STA

Prakash Nadar31-Dec-03 18:40

Prakash Nadar

31-Dec-03 18:40

Hi,
I made an atl server and added few interfaces, accidently my friend added an interface which is MTA, now i know MTA will fail in this design. Hence i want to convert it to STA. Is there any way to convert the existing interface from MTA to STA with minimum effort?
Thank you very much.
Prakash.

My God is more powerfull Than Your God. (the line that divides the world)

Re: From MTA to STA

Michael Dunn31-Dec-03 20:19

Michael Dunn

31-Dec-03 20:19

I assume you're talking about an implementation here, not interfaces. Interfaces are just a collection of methods.
In the inheritance list of the C++ class implementing the interface, change any occurence of CComMultiThreadModel to CComSingleThreadModel. In the RGS file, change the ThreadingModel value to Apartment.

--Mike--
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Re: From MTA to STA

Prakash Nadar1-Jan-04 16:07

Prakash Nadar

1-Jan-04 16:07

Yeah i was talking about the implementation of the interface and not the interface itself...

Thanx.
and wish you a happy new year.

My God is more powerfull Than Your God. (the line that divides the world)

A Doubt

Rane31-Dec-03 16:05

Rane

31-Dec-03 16:05

can anyone helpme how to pass query values dynamically.
(e.g)
cin>>a;
cin>>b;
char szStr1[100]="Insert into region(regionId,RegionDescription)Values(????,????)"

In what format I should supply the values (i.e) the values of a,b.(plz rewrite the
above statement)

Re: A Doubt

Prakash Nadar31-Dec-03 18:35

Prakash Nadar

31-Dec-03 18:35

you can put construct the query this way..

<br />
cin>>a;<br />
cin>>b;<br />
char szStr1[100];<br />
sprintf(szStr1,"Insert into region(regionId,RegionDescription)Values(%d,%d)",a,b);<br />

My God is more powerfull Than Your God. (the line that divides the world)

Re: A Doubt

Michael Dunn31-Dec-03 19:48

Michael Dunn

31-Dec-03 19:48

#include <sstream>
 
int a,b; // assume initialized from cin 
std::ostringstream strm;
std::string s;
  
  strm << "Insert into region(regionID, RegionDescription)Values(" << a
       << "," << b << ")" << std::ends;
  s = strm.str();

--Mike--
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-- Buffy

problem with ListCtrl display

Angel Kid31-Dec-03 15:14

Angel Kid

31-Dec-03 15:14

Hi guys,I have a question
I used Access2000 to build a database,there is a Field named “Price”,it's type is money.
In VC++ ,I used ADO to access this database.
I wanna display the value of this field in my listctrl,the code as follow:

_variant_t Holder;<br />
CString str;<br />
       	<br />
Holder = theApp.m_pADOSet->GetCollect("Price");<br />
	    <br />
if ( VT_NULL==Holder.vt ) str="N/A";<br />
		<br />
else str.Format("%.2f", Holder.dblVal);<br />
        <br />
m_ListCtrl.SetItemText(i, 7, str);<br />

listctrl display 0.00 in this field.but in my table,it's value is 3.00,could anyone tell me what I can do? thanks

===============
YES, I am here.
===============

Re: problem with ListCtrl display

Michael Dunn31-Dec-03 19:50

Michael Dunn

31-Dec-03 19:50

%f is the format specifier for a float, use %lf for a double.

--Mike--
Ericahist | CP SearchBar v2.0.2 | Homepage | 1ClickPicGrabber New v2.0! | RightClick-Encrypt
Laugh it up, fuzzball.

going to post antialiasing article

Roman Nurik31-Dec-03 12:56

Roman Nurik

31-Dec-03 12:56

sometime soon look for an antialiasing article... as i've just played around with it and gotten it to work pretty well for straight lines and the concept should work for any shapes

r -€

menu bar

brian scott31-Dec-03 12:21

brian scott

31-Dec-03 12:21

Does anyone know if there is a way to reset the colour of a menu bar to the same as the background of a dialog? To set dialog background colour, one uses SetDialogBkColor(). With a menu in the dialog, one gets an ugly grey stripe across the top. OK! I know I'm sick and demented and should be using CFrameWnd, but I LIKE dialogs!! And, for a newcomer, they're a damn sight easier to use!! You would be making 2004 start pleasantly for me!!!

Happy New Year

The fool who knows that he is a fool is truly wise.
The fool who thinks that he is wise is truly a fool.

Dhamapadda - Sayings of the Buddha (slightly modified!)

Brian Confused | :confused:

Using SetFont() on a button control

shultas31-Dec-03 11:32

shultas

31-Dec-03 11:32

Hello all.

I am trying to change the text/style of my button(s). Instead of the default, I want to make them Tahoma, 14pt. The code that I am using to do this is listed below. What is happening is this: If I put this code in the OnInitDialog() or OnPaint(), it somewhat works. The button will look different than the other ones, but now how I am specifying it to look. No matter what nHeight size that I use, it initializes to this same size every time, and bold. But, the funny thing is that the same exact code when used inside an OnBnClickedButton1() changes the font for that button text to exactly what I want. I am wondering why this same code is not working properly in the OnInitDialog() / OnPaint() ??

Also: I am wondering if there is a way to set the default font for the dialog buttons or set the font / size for the button text with the resource editor (instead of having to have code to "change" the font of the button) ?

Thanks

CFont ListBoxFont;
ListBoxFont.CreateFont(
14, // nHeight
0, // nWidth
0, // nEscapement
0, // nOrientation
FW_NORMAL, // nWeight
FALSE, // bItalic
FALSE, // bUnderline
0, // cStrikeOut
ANSI_CHARSET, // nCharSet
OUT_DEFAULT_PRECIS, // nOutPrecision
CLIP_DEFAULT_PRECIS, // nClipPrecision
DEFAULT_QUALITY, // nQuality
DEFAULT_PITCH | FF_SWISS, // nPitchAndFamily
"Tahoma"); // lpszFacename
m_button1.SetFont(&ListBoxFont,TRUE);

Re: Using SetFont() on a button control

Roman Nurik31-Dec-03 12:58

Roman Nurik

31-Dec-03 12:58

try making new CFont object using CFont* ListBoxFont = new CFont;

that might work... just an idea

r -€

Re: Using SetFont() on a button control

Kelly Herald31-Dec-03 17:28

Kelly Herald

31-Dec-03 17:28

Your CFont object needs to be moved to the header file of your dialog class.

What's happening is that the CFont object is being created on the stack within your function and when the function exits the CFont object goes out of scope and it's destructor is being called.

shultas wrote:
Also: I am wondering if there is a way to set the default font for the dialog buttons or set the font / size for the button text with the resource editor (instead of having to have code to "change" the font of the button) ?

This would be a nice feature. Microsoft, are you listening?

Kelly Herald
Software Developer
MPC

Re: Using SetFont() on a button control

Rajesh match31-Dec-03 19:56

Rajesh match

31-Dec-03 19:56

LOGFONT logFont;

logFont.lfHeight = 12;
logFont.lfWidth = 0;
logFont.lfWeight = FW_BOLD;
logFont.lfItalic = FALSE;
logFont.lfUnderline = FALSE;
logFont.lfStrikeOut = FALSE;
logFont.lfEscapement = 0;
logFont.lfOrientation = 0;
lstrcpy(logFont.lfFaceName, _T("Arial"));

m_font.CreateFontIndirect(&logFont); // Create the font.
GetDlgItem(IDC_BUTTON)->SetFont(&m_font);
Declare CFont in .h file

Re: Using SetFont() on a button control

shultas1-Jan-04 9:57

shultas

1-Jan-04 9:57

When I put the declaration of Cfont on the .h file, it whined saying that multiple definitions were found (probably because that .h file is included in several places). (I did not put it in the class declaration, but after the class declaration).

But, what I did is right up top in my .c file where the <include> statements were, I put Cfont ListBoxFont; in there and it worked perfectly Big Grin | :-D

Thanks for the tips!

Re: Using SetFont() on a button control

J.B.1-Jan-04 18:10

J.B.

1-Jan-04 18:10

shultas wrote:
When I put the declaration of Cfont on the .h file, it whined saying that multiple definitions were found (probably because that .h file is included in several places). (I did not put it in the class declaration, but after the class declaration).

Try to put the CFont declaration in the class scope, as a class member.

shultas wrote:
But, what I did is right up top in my .c file where the statements were, I put Cfont ListBoxFont; in there and it worked perfectly

That has essentially the same effect I believe. Since here it's been declared as a global variable, the CFont still exists after exiting OnInitDialog()

Intercepting Mouse Clicks

__Cerb31-Dec-03 10:06

__Cerb

31-Dec-03 10:06

Is there a way to intercept mouse clicks when the current window is minimized or inactive?

Thanks

~Mike

Re: Intercepting Mouse Clicks

alex.barylski31-Dec-03 10:17

alex.barylski

31-Dec-03 10:17

When ou click on a window, it will become active and you'll recieve your mouse messages.

when you window is minimized, you want to capture mouse clicks inside another window?

Probably best to look into hooks Smile | :)

HTH

Cheers

The word of the day is legs, let's go back to my house and spread the word Poke tongue | ;-P

Re: Intercepting Mouse Clicks

__Cerb31-Dec-03 10:26

__Cerb

31-Dec-03 10:26

Yes, actually I want to intercept every mouse click once the "Start" button of my program is clicked... can you help me?

Using CList and collections properly?

Cloaca31-Dec-03 9:01

Cloaca

31-Dec-03 9:01

Hello everyone,

I have been working on an MFC SDI program whose Document actually has lists of lists (and possibly a list of a list of a list). I would like to get into a good habit and be consistent with the way I maintain collections (mostly lists, occasionally arrays and maps). Almost all my objects are derived from CObject (for serializing, etc.).

I guess it comes down to picking between CList<type, type>, CList<type, type&>, CList<type*, type*> and whatever other combinations. To keep sane, I think I always want to use CList<type*, type*>. That way, I just use the new operator at the point where an object needs to be instantiated and call delete on it (while traversing the list or sublist) at the 'outer' list's destructor.

I would like comments about this. Is it safe? Is it a decent practice to keep? How can I prevent double deleting the same objects (if that could even happen)? Does this choice affect how I code the required copy constructor and assignment operator (which always seem to involve references)?

Thanks in advance for any advice and comments!
Happy New Year, Smile | :)

Eric

Re: Using CList and collections properly?

Cloaca5-Jan-04 4:21

Cloaca

5-Jan-04 4:21

Is this the proper forum to ask this question, or should I move it elsewhere?

Thanks,
Eric

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