Re: MSVCRT... - C / C++ / MFC Discussion Boards

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Re: How to send an e-mail using OnFileSendMail

Shog⁹29-Sep-01 10:02

Shog⁹

29-Sep-01 10:02

See PJ Naughter's excellent CMapi class: http://www.codeproject.com/internet/cmapi.asp
It's very easy to use, and provides a good reference to using simple MAPI should you want to write your own code.

Or if you'd rather, just copy the code from MFC's OnFileSendMail() and replace the bit that serializes the current document with something to generate your own attachment. (this code is not as nice though)

How to let a control support OLE

28-Sep-01 15:04

Hi, I have a dialog, and have some edit controls in it, can I make them support drag and drop, and how to? Confused | :confused:

Re: How to let a control support OLE

Michael Dunn28-Sep-01 16:22

Michael Dunn

28-Sep-01 16:22

Check out my article on drag and drop. That covers making the dialog a drop target. I think there's also an article here (or maybe CodeGuru) with a CEdit-derived class that supports drag & drop.

--Mike--
http://home.inreach.com/mdunn/
Trillian: What are you supposed to do with a manically depressed robot?
Marvin: You think you've got problems. What are you supposed to do if you are a manically depressed robot?

How to get hInternet handle from within IE ?

Peter Hayward28-Sep-01 14:45

Peter Hayward

28-Sep-01 14:45

I'm looking to obtain a session handle from within IE. I'm attempting to write an extension dll. In the dll I'm using a wininet lib call that requires an HINTERNET as an argument (InternetSetOption). I've noticed that a call to InternetOpen will return an HINTERNET, however I believe this is used only when external to IE.

Any clues ?

Many Thanks

Peter Hayward
Ngarkat Technologies
Dulwich, South Australia,
Australia
61 8 8364 7060
phayward@bigfoot.com

AVI & BMP

28-Sep-01 12:26

i have lpBitmap = (LPBITMAPINFOHEADER)AVIStreamGetFrame(pVideoFrame, nFrame);
How can i save AVI frame as BMP file?

MSVCRT...

28-Sep-01 11:51

Hey all!

I compiled an ATL ActiveX Control DLL using Visual C++ 7 - and noticed that the DLL depends on MSVCRT70.DLL...

I have several questions:
1. Can I somehow remove this dependency?
2. What's in that DLL anyway?
3. Suppose I will compile the code with Visual C++ 6 - it will depend on MSVCRT.DLL, right?
4. Is it possible to remove THAT dependency?
5. Is there any software that comes with MSVCRT.DLL EXCEPT for Visual C++? (Internet Explorer, or Office, or something common like that?)
6. Suppose I want to distribute that file along with my ActiveX Control (for download on a web page) - will it work from the control DLL's directory? Need I put it in the user's Windows\System directory? Need I do anything else? Is it legal to distribute this DLL just like that?

Thanks a lot! Smile | :)

Re: MSVCRT...

Walter Sullivan28-Sep-01 14:05

Walter Sullivan

28-Sep-01 14:05

In VS.NET (VC 7), right click on your project in the Solution Explorer and choose properties. The General tab has an option fo "Minimize CRT Use in ATL", switch this to Yes and you should statically link to the CRT's.

If you build it with V6, if you use the min_dep project configuration you will statically link to the CRT's and no longer require that DLL.

You can distribute that DLL with your ActiveX Control and put it in the same directory as your control and that should work.

Later,

Walter Sullivan
Lead Program Manager, MFC/ATL

Re: MSVCRT...

28-Sep-01 14:37

Thank you very much Smile | :)

keybd_event

Mustafa Demirhan28-Sep-01 10:12

Mustafa Demirhan

28-Sep-01 10:12

Hi,

I want to send some special keys using keybd_event. I tried many ways, but I could not achieved.

Please help. How can I send special keys (such as German Language specific characters)?

Kind regards

Mustafa Demirhan

Re: keybd_event

Paolo Messina29-Sep-01 0:24

Paolo Messina

29-Sep-01 0:24

Hi,

I think you can't send characters, only virtual keys.
You may do the conversion with VkKeyScan.
Don't ask me details, 'cause I never tried Smile | :)

Paolo

------
"airplane is cool, but space shuttle is even better" (J. Kaczorowski)

Wake the computer from standby

Mustafa Demirhan28-Sep-01 10:09

Mustafa Demirhan

28-Sep-01 10:09

Hello,

How can I wake a computer from standby within my Visual C++ program (that is working on that computer)? I tried to send keystokes, but as expected, it did not work...

Thanks for any helps

Kind regards

Mustafa Demirhan

ExitWindowsEx Problem!!

Mustafa Demirhan28-Sep-01 10:04

Mustafa Demirhan

28-Sep-01 10:04

Hi,

In one of my programs, I am trying to shutdown windows. The following code works well under W2k but it does not work under WinME/9x. It starts the shutdown process, it closes all windows and then hides the taskbar but then it stops.

Please help. Is there any problems with the code?

PS. The reboot operation works well.

<br />
int CTaskStep::ExecuteShutDown ( CTaskObject *pTask , bool bReboot)<br />
{<br />
	HANDLE hProcess = GetCurrentProcess(); // Is pseudohandle, no close needed <br />
	HANDLE hToken = NULL;<br />
	OpenProcessToken(hProcess,TOKEN_ADJUST_PRIVILEGES,&hToken);<br />
	if ( hToken ) <br />
	{<br />
		TOKEN_PRIVILEGES priv_struct;<br />
		LUID_AND_ATTRIBUTES priv;<br />
		LUID priv_luid;<br />
		BOOL bRet;<br />
		bRet = LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &priv_luid);<br />
		priv.Attributes = SE_PRIVILEGE_ENABLED;<br />
		priv.Luid = priv_luid;<br />
		priv_struct.PrivilegeCount = 1;<br />
		priv_struct.Privileges->Attributes = SE_PRIVILEGE_ENABLED;<br />
		priv_struct.Privileges->Luid = priv_luid;<br />
		bRet = AdjustTokenPrivileges(hToken, FALSE, &priv_struct,NULL,NULL, NULL);<br />
		CloseHandle( hToken );<br />
	}<br />
	if ( bReboot )<br />
	{<br />
		if(!ExitWindowsEx (EWX_REBOOT | EWX_FORCE,0) )<br />
			return MSG_FAILED;<br />
	}<br />
	else<br />
	{<br />
		if(!ExitWindowsEx(EWX_SHUTDOWN | EWX_POWEROFF | EWX_FORCE, 0))<br />
			return MSG_FAILED;<br />
	}<br />
	return EX_CONTINUE;<br />
}<br />

Kind regards
Mustafa Demirhan

CWebBrowser2 - problems with windows 98 and IE 5.5

28-Sep-01 8:36

Hi all,

I'm using 2 webbrowser controls (CWebBrowser2) in my application visual C++. I open my pages from web server apache.
I have html forms that have buttons. This buttons have a java script function associated and call a dynamic script that put some datas in a database.
Problem:
With windows 98 and IE 5.5 some of this scripts are execute two times.
In other versions of IE this don't happened!!
Does Anyone know why this happen?
Thanks in advance!
Leila

Re: CWebBrowser2 - problems with windows 98 and IE 5.5

Masaaki Onishi28-Sep-01 9:29

Masaaki Onishi

28-Sep-01 9:29

Hello, the codegurus around the world.;)

IE consists of iexplorer.exe and the other core dlls like Wininet.dll.
Each IE seems to be the different versin of dlls files.
So, if IE5.5 has this kind of bug, this bug must be come from the bug of some dll.

If you read the bug list of IE5.5, you may find this bug in that bug list?
Or, if Javascript checks the version number of these dlls,
you may write the code to prevent this bug after you add the new code? Confused | :confused:

Have a nice day!

-Masaaki Onishi-

Getting a pointer to frame window

Erik Hammar28-Sep-01 7:23

Erik Hammar

28-Sep-01 7:23

Hi,
How can I in the OnInitialUpdate function of my CView derived class get a pointer to the CMDIChildWnd that contains the view?

Thanks!
Erik

Re: Getting a pointer to frame window

Michael Dunn28-Sep-01 7:54

Michael Dunn

28-Sep-01 7:54

GetParentFrame() will do the trick.

--Mike--
http://home.inreach.com/mdunn/
Trillian: What are you supposed to do with a manically depressed robot?
Marvin: You think you've got problems. What are you supposed to do if you are a manically depressed robot?

Re: Getting a pointer to frame window

Erik Hammar29-Sep-01 1:05

Erik Hammar

29-Sep-01 1:05

Thanks a lot!

DLL and ATLTRACE question

28-Sep-01 6:59

Hi
I'm new to ATL. Now I wrote a DLL and compiled it in release mode.
I other DLLs I saw the macro ATLTRACE(_T("Some trace message"));

What does this macro do and how can I find out whether this macro has been "triggered" Confused | :confused:

regards

Re: DLL and ATLTRACE question

Not Active28-Sep-01 7:15

Not Active

28-Sep-01 7:15

ATLTRACE is just like the MFC TRACE macros, they only print to the output window in debug. In release mode they do nothing.

Function with variable number of argument

28-Sep-01 6:42

Suppose there is an existing function (not written by me) with the following signature:

void OldFun(...);

I want to write a new function as follows:

void NewFun(...)
{
// do something
// then call the existing function with the given arguments
OldFun(...)
// do something else
}

The question is, how do I pass the parameters? Passing ... doesn't work.

Please help !!!

Thanks.

Re: Function with variable number of argument

C^hris L^osinger28-Sep-01 6:49

C^hris L^osinger

28-Sep-01 6:49

void NewFun(int param1, int param2, ...)
{
	va_list argptr;
	va_start(argptr, param2);

	OldFun(argptr);

	va_end(argptr); 
}

you need at least one fixed parameter

-c

------------------------------
Smaller Animals Software, Inc.
http://www.smalleranimals.com

Re: Function with variable number of argument

28-Sep-01 7:50

Thank you very much !

How to get the desktop background image ?

28-Sep-01 6:38

Hi,

I would like to create a window which always stands above the desktop background, ie below all other windows. Because this window may have alpha transparency, I need to get the desktop background to be able to bitblt it in my window. How to perform that ? I tried to get the fullscreen DC with GetDC(NULL) but if other windows are opened when creating mine I don't get the desktop image but simply the windows which cover the screen.
Thanks for any help or pointer to information.

Nicolas

How can add buttons in a win32 applicatios?

Bart-Man28-Sep-01 6:07

Bart-Man

28-Sep-01 6:07

Hello,

I was wondering how I can add buttons to a win32 application?
I have used MFC extensively, but never just straight win32, and I was
wondering how to add buttons in Win32? Or other controls for that matter.

Thanks in Advance! Smile | :)

Re: How can add buttons in a win32 applicatios?

Erik Hammar28-Sep-01 7:38

Erik Hammar

28-Sep-01 7:38

I (think) this should do it:

HWND button = CreateWindow("button", "(Your Caption)", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, buttonx, buttony, buttonwidth, buttonheight,
hWndParent, NULL, hInstance, NULL);

hWndParent is your dialog or window, where you want the button
buttonx, buttony, buttonwidth, buttonheight is the buttons position in the dialog
"button" is the class name for a button control
the style "BS_PUSHBUTTON" creates a standard button. "BS_CHECKBOX" creates a check box.

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