Re: Error spawning 'cl.exe' - C / C++ / MFC Discussion Boards

Re: DLL Hell.

Prakash Nadar12-Apr-04 18:57

Prakash Nadar

12-Apr-04 18:57

delete the dll file that is associated with that guid and run regclean you can find it at microsoft site.

Re: DLL Hell.

HAHAHA_NEXT13-Apr-04 3:24

HAHAHA_NEXT

13-Apr-04 3:24

Too much work. I want this done automatically.(Like i specify the dll names,the program finds up all the occurences and i choose whatever to delete them all or not.

[MFC] OLE Drag & Drop and Drag image

Maarten Kools12-Apr-04 10:23

Maarten Kools

12-Apr-04 10:23

Hi,

I'm implementing drag & drop through OLE. I actually have that part working, but I also want (or actually need) to show a drag image during the actual drag. My idea was to use CImageList's functionality, so when the drag begins, I call BeginDrag and DragEnter, during GiveFeedback I keep calling DragMove, with the current cursor position, and when the drag ends, I call DragLeave and EndDrag.

These functions all work, that is, they don't return error codes or anything. But still the image doesn't show. I don't really know what I would be doing wrong, or what I'm missing. Is there perhaps another way to show a drag image during an OLE drag.

Hope someone can help me out here, thanks.

Re: [MFC] OLE Drag & Drop and Drag image

John R. Shaw12-Apr-04 11:13

John R. Shaw

12-Apr-04 11:13

The article "Implementing Reusable Drag & Drop Classes" By Leon Finker
in section MFC / C++ >> Shell Programming >> General, should provide you with enough information.

Good Luck!

INTP

Re: [MFC] OLE Drag & Drop and Drag image

Maarten Kools12-Apr-04 11:27

Maarten Kools

12-Apr-04 11:27

At first glance, it looks wonderful. Thank you Smile | :)

Error spawning 'cl.exe'

dyerstein12-Apr-04 9:43

dyerstein

12-Apr-04 9:43

Ok, here's my problem:

I am trying to complie an application using Visual Studion.net(2002) Today all of a sudden when I try to compile code I have compiled before, I'm getting "error spawning cl.exe". This started when I tried to use some old code, I had done previously. My problem is that now, none of my previous ok code is compiling. I have removed visual studio and re-installed it, and this seems to have sorted the problem, but now I have gone back to code I was working on before and the error has showed again, it won't let me compile anything!

Eek! | :eek:

Re: Error spawning 'cl.exe'

Prakash Nadar12-Apr-04 20:21

Prakash Nadar

12-Apr-04 20:21

its a know bug checkout microsoft site. there they have some procedure to fix that problem...

Re: Error spawning 'cl.exe'

dyerstein13-Apr-04 4:22

dyerstein

13-Apr-04 4:22

Well, MSDN certainly does list the problem but it refers to Visual Studio version 2003, I'm running 2002, in any event, the information that they list on MSDN does not really give a clue as to why this problem just happens out of the blue. I seem to be able to avoid this problem by removing Visual studio, and than reinstalling it, but I would like to know why the problem came up in the first place.

thanks for your feedback!

how to display info about menu items in a dlg

dolph_loe12-Apr-04 9:08

dolph_loe

12-Apr-04 9:08

When you use the appwiz to create a MDI or SDI app, info about each menu item is shown in the statusbar when you hover over the menu item.
I have a dialog with a menu and a statusbar. Is there any good way to do this for me?

Øivind

Re: how to display info about menu items in a dlg

toxcct12-Apr-04 9:21

toxcct

12-Apr-04 9:21

you have an event WN_MENUITEM (if i remember).
then, you catch with the event-associated function the item ID and you'll be able to get the string table entry for this ID.

TOXCCT >>> GEII power

Serialization

Demian Panello12-Apr-04 8:56

Demian Panello

12-Apr-04 8:56

Hi!.

I'm writing an application that serialize some object.
So, I have a class called CObjectX, (this would be the object to serialize).
And I have 3 more classes CObjectA, CObjectB y CObjectC.
The class CObjectX have an array of CObjectA wich have also an array of CObjectB and CObjectC.
My questions are:

Should I derived from CObject too every class that it's referenced in COBjectX?.
For every header and implementation file of these objects should I write DECLARE_SERIAL(...) and IMPLEMENT_SERIAL(...)?.
And, finally, should I overwrite only the virtual function Serialize() of CObjectX?.

Thank you.

Demian.

Re: Serialization

Ravi Bhavnani12-Apr-04 9:03

Ravi Bhavnani

12-Apr-04 9:03

This[^] series of articles may help.

/ravi

My new year's resolution: 2048 x 1536
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Re: Serialization

Demian Panello15-Apr-04 4:43

Demian Panello

15-Apr-04 4:43

Hi Ravi.

I'm still having troubles to serialize my object.
I have a class called: CDecDatabase that have a member of type CPtrArray of CSistema object, (an array of CSistema objects).
CSistema object have 3 arrays CPtrArray, (arrays of objects CP1, CP2 y CP3).
All the object have a Serialize function.

When
First I invoke CDecDatabase::Serialize(), then, this function call for every CSistema object in the array call CSistema::Serialize() and this function call the method Serialize() for every CP1, CP2 and CP3 object in the arrays.

Something I have saved but I can't load it.
I don't know if I'm serialize the objects in the right order.

Thank you.

Demian.

Re: Serialization

Ravi Bhavnani16-Apr-04 3:05

Ravi Bhavnani

16-Apr-04 3:05

OK, you're almost there! Smile | :)

CDecDatabase::serialize() should first save the number (int) of CSistema objects in its CPtrArray, and then save each CPtrArray. Same for CSistema::Serialize(), which should first save the size of each CP array before saving the array itself.

When you want to read stuff in, first read the size of the array you're about to deserialize, then loop that many times and serialize each object and add it to the CPtrArray.

I must add more detail to the 3rd serialization article. That's where all the really interesting stuff is!

/ravi

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VS C++ Standard Edition and shareware

Franc Morales12-Apr-04 8:16

Franc Morales

12-Apr-04 8:16

Folks,
Is it legal to sell software developed with VS C++ 6.0 Standard Edition? I'm talking about garage shareware here, in case it makes any difference.

Be well people

Re: VS C++ Standard Edition and shareware

Ravi Bhavnani12-Apr-04 9:04

Ravi Bhavnani

12-Apr-04 9:04

I don't see why not.

/ravi

My new year's resolution: 2048 x 1536
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execute an app from code

BlackDice12-Apr-04 7:58

BlackDice

12-Apr-04 7:58

I have an app that I want to run (dtsrun.exe) I can run it from the command line, but how do I do that in code with the specified switches? I know in vb I could use the ShellExecute() function, but how do I do that in C++ if I want to run this: 'dtsrun /S localhost /p jt'? thanks in advance for any help!!

If it's broken, I probably did it

bdiamond

Re: execute an app from code

T1TAN12-Apr-04 8:15

T1TAN

12-Apr-04 8:15

hi,

in c++ you also use ShellExecute(), and it is quite easy to use, here is the online MSDN link i found:

http://msdn.microsoft.com/library/en-us/shellcc/platform/shell/reference/functions/shellexecute.asp

---
kick ash.
http://sprdsoft.bigmoron.com
http://t1tan.cjb.net

Re: execute an app from code

BlackDice12-Apr-04 8:44

BlackDice

12-Apr-04 8:44

THANKS!! That worked perfectly

If it's broken, I probably did it

bdiamond

Re: execute an app from code

Ed K12-Apr-04 8:34

Ed K

12-Apr-04 8:34

Don't remember where I picked this up but most likely somewhere here...Best site around!!

BOOL LaunchChild(LPCSTR lpszCmdLine, BOOL bShowChildWindow)
{
	HANDLE hProcess = ::GetCurrentProcess();
	
	PROCESS_INFORMATION pi;
	
	// Set up the start up info struct.
	STARTUPINFO si;
	::ZeroMemory(&si, sizeof(STARTUPINFO));
	si.cb = sizeof(STARTUPINFO);
	si.dwFlags = STARTF_USESHOWWINDOW;
	// Note that dwFlags must include STARTF_USESHOWWINDOW to
	// use the wShowWindow flags.
	si.wShowWindow = bShowChildWindow ? SW_SHOW: SW_HIDE;
	
	// Create the NULL security token for the process
	LPVOID lpSD = NULL;
	LPSECURITY_ATTRIBUTES lpSA = NULL;
	
	lpSD = ::GlobalAlloc(GPTR, SECURITY_DESCRIPTOR_MIN_LENGTH);
	::InitializeSecurityDescriptor(lpSD, SECURITY_DESCRIPTOR_REVISION);
	::SetSecurityDescriptorDacl(lpSD, -1, 0, 0);
	
	lpSA = (LPSECURITY_ATTRIBUTES)::GlobalAlloc(GPTR, sizeof(SECURITY_ATTRIBUTES));
	lpSA->nLength = sizeof(SECURITY_ATTRIBUTES);
	lpSA->lpSecurityDescriptor = lpSD;
	lpSA->bInheritHandle = TRUE;
	
	// Try to spawn the process.
	BOOL bResult = ::CreateProcess(NULL, (LPTSTR)(LPCTSTR)lpszCmdLine, lpSA, NULL, TRUE,
		CREATE_NEW_CONSOLE, NULL, NULL, &si, &pi);
	
	// Cleanup memory allocation
	if (lpSA != NULL)
		::GlobalFree(lpSA);
	if (lpSD != NULL)
		::GlobalFree(lpSD);
	
	// Return if an error occurs.
	if (!bResult) return FALSE;
	
	// Close the handles to reduce kernal usage count
	::CloseHandle(pi.hThread);
	::CloseHandle(pi.hProcess);
	
	// return true
	return bResult;	
}

Just pass in the command line and whether or not you want the console window displayed.

Thanks to whomever submitted this!

ed

The absence of evidence is not evidence of absence.

Re: execute an app from code

BlackDice12-Apr-04 8:45

BlackDice

12-Apr-04 8:45

thanks ed, but the answer I got before yours worked perfectly and it only uses one line:

ShellExecute(NULL,"open","dtsrun.exe","/S localhost /U admin /P admin /N ImportDistTextToTable",NULL,SW_HIDE);

If it's broken, I probably did it

bdiamond

Re: execute an app from code

S^nyp12-Apr-04 11:26

S^nyp

12-Apr-04 11:26

Actually his way defines the whole function... good way to learn... and his function takes in less parameters and too could be in one line of code Smile | :)

Actual Linux Penguins were harmed in the creation of this message.

Re: execute an app from code

Tim Smith12-Apr-04 18:21

Tim Smith

12-Apr-04 18:21

But it also requires an NT kernel operating system.

Tim Smith

I'm going to patent thought. I have yet to see any prior art.

ASSERT_VALID ?

Jnewg512-Apr-04 7:13

Jnewg5

12-Apr-04 7:13

I am writing an application that performs custom titlebar painting. I have been using Paul DiLascia's CCaptionPainter class to accomplish this. Things have been working fairly well until I have come across a problem with modeless dialogs(a debug ASSERT_VALID). My main application is where the title bar painting occurs. I have various submenus that launches various other dialogs. I have noticed that when I launch a modeless dialog and move it, the OnNcPaint routine in my CCaptionPainter class ASSERT_VALID(m_pWndHooked) /*class member CWnd object reference*/ produces the following assertion in WinCore.cpp. I have googled the below snippet from WinCore.cpp, but have not come up with anything that makes sense. I am not passing my CWnd object from thread to thread and am wondering if anyone has seen other variations of this assertion. Thanks!

CObject* p;
ASSERT((p = pMap->LookupPermanent(m_hWnd)) != NULL ||
(p = pMap->LookupTemporary(m_hWnd)) != NULL);
ASSERT((CWnd*)p == this); // must be us

// Note: if either of the above asserts fire and you are
// writing a multithreaded application, it is likely that
// you have passed a C++ object from one thread to another
// and have used that object in a way that was not intended.
// (only simple inline wrapper functions should be used)
//
// In general, CWnd objects should be passed by HWND from
// one thread to another. The receiving thread can wrap
// the HWND with a CWnd object by using CWnd::FromHandle.
//
// It is dangerous to pass C++ objects from one thread to
// another, unless the objects are designed to be used in
// such a manner.

Re: ASSERT_VALID ?

Anthony_Yio13-Apr-04 0:21

Anthony_Yio

13-Apr-04 0:21

You should ASSERT(IsWindow(p->GetSafeHwnd()) which check the validity of your Hwnd

Sonork 100.41263:Anthony_Yio

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