In my program I open two files and write data into each, and close them. this is done in a while loop.
int main() { while() { myFile = fopen("file1.txt","w"); myFile2 = fopen("file2.txt","w"); // write data into files using fprintf() in a for loop fclose(myFile); fclose(myFile2); } }
However, after some iterations the fopen() for myFile2 fails.
Debug assertion failed! Program.... File ......srcfprintf.c Line 55
Expression (str != NULL)
I have not been ableto locate the bug in the code that is causing the failure.
I have a MFC Com Dll that has a CDialog. In the OnCreate event I create an ActiveX control. The dll is hosted inside an executable of mine. In this scenario everything works fine!
The dll is also called from an external executable and then a Debug Assertion in OCCSITE.cpp occurs when I create the ActiveX control. I suspect that in the executable there is no AfxOleInit. I spend some time with this problem and tried to CoInitialize, OleInitialize, AfxOleInitModule and even AfxOleInit in the dll. But all that does not change a thing. If I understand the mechanics then this is an intended behaviour and should be done in the host exe.
In my executable m_bNeedTerm is 0 and in the external one (where the ActiveX does not work) it is -1. In AfxOleInit this is explained as a special flag to prevent the dll from doing an unnecessary OleInitialize. But as I said even if I call OleInitialize myself I get the Debug Assertion and the ActiveX is not visible.
Is there anything I can do to make the ActiveX control work in the external application? Obviously I cannot Change anything in the application...
Following function is causing run-time assertion. I am using VC6.0 professional version. My OS is Win7.0. I am calling the function from OnDraw. OnDraw does not contain any other code other than the function call code:
Code: void CMoireUseCirclesView::UseCircle(CDC* pDC){ int x1, y1, x2, y2; x1=20; y1=100; x2=200; y2=280; int color1=0; int color2=0;
Loaded 'ntdll.dll', no matching symbolic information found. Loaded 'C:WindowsSysWOW64kernel32.dll', no matching symbolic information found. Loaded 'C:WindowsSysWOW64KernelBase.dll', no matching symbolic information found. Loaded symbols for 'C:WindowsSysWOW64MFC42D.DLL'
Basically, I'm moving a VC project from my Windows 7 build machine to a new build machine that's running Windows 8.1. One of the pre-build steps (for a particular project) runs a script which needs to call the M4 macro processor (which is installed on my C: drive). I've been pretty careful to set everything up the same on both machines (including my PATH) but when I try to build the project on my Windows 8 box, MSVC's IDE shows me this error output when running the script:-
I'm working on a project which consists of several ocx loaded by one exe. The platform is WinCE. Now I'm on a process to create a new ocx. I do have a copy of those ocx projects in Win32 platform. These Win32 versions were only used to register ocx in local system and then put those on to application dialog by 'Insert ActiveX'.
Now the problem is those Win32 projects are so outdated, and unable to build. Getting too many linking errors to be solved.
I have build the new ocx and link that with exe manually by editing .rc file and all. But still no luck. New ocx is getting registered in WinCE device but failing to start application.
I've created a new dialog in my MFC dialog based application. the new dialog contains 5 control buttons. The following happens and I don't understand why?
1. click on buttonX. (result ok, OnBnClicked message is sent) 2. click on on any place of the application, but not on the dialog.(removing focus from dialog) 3. click again on buttonX (FAILED, OnBnClicked message is NOT sent). but if instead I click on any other button in the dialog (result ok, OnBnClicked message is sent).
And when I do:
1. ... 2. ... 3. click on the dialog area just to set focus on the dialog again 4. click again on buttonX. (result ok, OnBnClicked message is sent) **I need to do step 3 only if I want to click again on the buttonX! why?? I think it related to SetFocus() but I m not sure how.
I've tried different style like, tool windows, overlapped, popup. it happens in all the cases.
Code: class CToolsDlg : public CBDialog { DECLARE_DYNAMIC(CToolsDlg) public: CToolsDlg(CWnd* pParent = NULL); // standard constructor virtual ~CToolsDlg(); CToolTipCtrl m_ToolsTips;
You place a breakpoint at one of locations within the message loop. But I want the breakpoint to trigger when I click on the application window, for example. But I can't, it went so fast so long as I switch from VS to the application program, the breakpoint is hitted again, then the application is frozen again. I don't know how to setup a conditional breakpoint.
i changed my code from release to debug mode. when i try to debug it shows a dialog box that '... does not contain debug information press ok to continue"..
Compilation is success full ,but i am observing that some junk value is there in the path variable. After Reaching If statement cursor went to final return statement ...
I dumped all symbols into C:WindowsSymbols folder, It takes more than 2 minutes to load an application which really surprises me. Why and when should I use those symbols?
On fairly rare occasions, when attempting to debug one of my MFC applications on VS 2010, a compilation error is encountered, and instead of bringing up the customary Windows or MFC file with a arrow pointing to the problem, a disassembly appears with an arrow pointing to one of the assembler instructions.
Since Windows assembly language is hardly my forte, I do not know how to interpret the error. Furthermore, the Output usually indicates one or more 'first chance exceptions' but little more, and the Stack output usually quite sparse and often refers cryptically to some ntdll.dll!7c92a82c().
when user chick first radio button a message1 will show with OK button when user chick second radio button an another message2 will show with OK button
But its didn't work like this. its work like:
1- user chick first radio button 2- message1 will show with OK button 3- user click OK 4- user chick second radio button 5- message1 will show again with OK button 6- user click OK 7- then message2 will show again with OK button
so when user click in second time its show the 2 message the message1 then the message2
I have a form that has been loaded and I click on a quit link to terminate my app but then I display a messageBox to ask the user if they want to save a file before quitting. When the messageBox pops up, another new instance of this form displays. What causes this and how can I prevent it?
I am trying to build a program that takes a user password (6+ characters, One uppercase, one lower case, and one number), and checks for errors. The idea is that if the user is doing something wrong (say, forgetting to use an uppercase letter), the program will tell them what the error is, and prompt them to enter the program again.
I get through the building process without errors, but whenever I run the program, I get this error: [URL] ....
Here is my code:
#include <iostream> #include <cctype> using namespace std; bool checkPass(char [], int); //Password Checking Function char convert(string);
[Code] ....
According to the box, the error appears on line 56 and 68.
So here I have a program that is supposed to basically sort out who passed and failed. I am currently stuck on the switch statement, I'm trying to count how many students received an A, B, C, etc.
I have developed the msword automation using the following link
[URL] ....
and using VC++ in Visual studio 2010,and msoffice 2007.
Its working fine. but the exe can not run in windows xp (same msoffice 2007 and installation folder also same). i do not know what is the problem. plz tell about how compactability in both os and different version of office like 2003, 2007, 2010, etc....
