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Could somebody give me a legitmate answer? The two posts here so far have been pretty useless to me. Sorry guys, but it's true.  I felt that I explained it pretty well in my last post, so if you could answer it I would appreciate it. Here is what I wrote:
Could you be a little more descriptive in your solution. I'm not familiar with disassemblers, so I really don't know what the weakness in my program is.
The way I'm checking for proper users is by reading an encrypted password from the registry and comparing it with what they supplied. If they are equal, I call the method to let them into the protected area. What are you suggesting I change to make my program less suspectable to disassemblers?
--Tale
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Look, there's almost nothing you can do about this. When it boils down to it. If the computer can read your assembly, so can a cracker. If the cracker can't, then neither can the computer.
All you can do is make it more difficult to find. put lots of code in there that does nothing and leads the cracker on false paths. Hide the code inside some other function, make it rely on a side-effect of the function, and don't just check the value of a memory location and exit. Go do a bunch of other stuff for no particular reason and exit somewhere unexpected.
That's all you can do.
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This is probably a stupid question:
Is there a Windows SDK function that I can use to get a list of the contents of a directory? Oddly enough I haven't been able to find a method to do this....
Please Help,
Thanks
jon-k2001@home.com
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FindFirstFile() and FindNextFile() will do it.
--Mike--
http://home.inreach.com/mdunn/
"That probably would've sounded more commanding if I wasn't wearing my yummy sushi pajamas."
-- Buffy
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OK, here's my problem. I'm trying to get the width of the toolbars in pixels. So, supposedly, I write code in this fashion to get their rects:
CRect rectTB1;
CRect rectTB2;
m_tool1.GetWindowRect(&rectTB1);
m_tool2.GetWindowRect(&rectTB2);
int m_iTBTopWidth = rectTB1.Width() + rectTB2.Width();
So, I should have it made to compute the sum of both toolbar width. Unfortunately, both Width() came out to be 472, even though one of the toolbars is about 1/5 the size of the other. What am I doing wrong here? 
Frank
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I write a SDI application which based on CListView
and a worker thread.
The problem I have,when the thread returns the values to Listview, I can't update the ListView.
Please advise,
Sue
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I have a single line CTabCtrl, and I am custom drawing everything. I need a way to find out if the user has scrolled the tabs to the left or the right (if there are enough), and which tab is the first shown in this case, so I can start drawing from the correct tab.
How can I do this? I was unable to find an example on this site or Codeguru, or anywhere else.
Yours,
David Wulff
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TCN_SELCHANGING notification message any use?
of CTabCtrl::GetCurSel()
Just ideas
Stephen Kellett
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I tried using GetCurSel() but it returns the selection from zero, rather than from the first visible tab. I don't see how handling TCN_SELCHANGING will aloow me to do anything different.
Thanks for the suggestions,
David Wulff
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Hi ALL !!
please help me,
when i create CScrollView without CDocument in my ActiveX control
i had error and debug crash !!! 
"Invalid Address specified to RtlValidateHeap"
m_clsGridView.Create(NULL, NULL, AFX_WS_DEFAULT_VIEW,
m_clsClientRect, this, AFX_IDW_PANE_FIRST + 1, NULL);
What not so ?
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Looks like you've got heap corruption - something has
overwritten the start or end of an allocation block.
A trivial example is:-
char *ptr;
ptr = (char *)malloc(strlen(origString));
if (ptr != NULL)
strcpy(ptr, origString);
// at this point you've overwritten the first byte
// after the end of the allocated block at 'ptr'
// this is because strcpy writes a zero byte at the
// end of the string.
Now this probably isn't the problem (the strcpy thing above)
but can give you an idea of what is wrong.
Alternatively a bad heap handle could have been passed
to HeapValidate (which will call RtlValidateHeap).
Stephen Kellett
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Hi all,
I'd like to disable the scrollbars of a CTreeCtrl object, and I thought I must use a class derived from CTreeCtrl. But I can't do. Can you help me?
Thanks in advance
Ngo Khai Hoa
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Hi !!!
CtreeCtrl derived from CWnd.
CWnd has Class Members functions for using scroll
I think if you write
CMyTree.GetScrollBarCtrl(...);
you got all what you want.
Best regards
VitSoft
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You need not derive any class from CTreeCtrl. You just have to set the style TVS_NOSCROLL using ModifyStyle function of the CWnd Class ( CTreeview is derived from CWnd hence inherits that function). Later you will not have the both vertical and horizontal scroll bar for the tree control.
Example
CTreeCtrl *x = (CTreeCtrl *)GetDlgItem(IDC_TREE1);
x->ModifyStyle(0,TVS_NOSCROLL);
HTH.
Sundaravalli Shriram
Tektronix Engineering Development India Ltd,
Bangalore - 560001,
India.
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Hi,
How do we get the buffer of text when we drag a text from a edit control?
Sincerely.
Ngo Khai Hoa
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I am wondering if anyone knows how to alter ALL explorer Save As dialog boxes so that my custom box
comes up anytime the SaveAs box is called. I know it can be done. Ontrack software has a program
called "PowerDesk" which optionally allows the common Save As dialog box to include an extra control that
permits the user to choose from a list of folders that were recently saved in. I am interested in
implementing something similar in one of my applications I am writing.
Details on the controls themselves are not necessary, I just want to know how to change the dialog itself,
having windows use my own "version" of the SaveAs dialog box instead of the normal one.
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I downloaded Microsoft platfoem SDK and installed in my machine according to the instruction. But it
seems the SDK can not be used in Microsoft Visual C++ 5.0 (Microsoft developer studio 97). My problem
is I have to use Visual C++ 5.0 since all the previous projects are developed under Visual C++ 5.0. Can
someone tell me how to fix this problem? Thanks
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Can you tell me how you managed to download and install the SDK ?
Christian
The content of this post is not necessarily the opinion of my yadda yadda yadda.
To understand recursion, we must first understand recursion.
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The following is a summary of the problem we are having with our application:
The application is a SDI MFC application with a single view. There are quite a few dialogs brought up by the main view.
When we try to bring up a dialog, the application returns a Debug Assertion Failure. The code used to bring up the dialog is:
CPayorBenefitDlg dlgPayorBenft;
int nDlgRetState;
//subsequent lines of code
If the above block of code is executed in the Debug mode, we can observe that immediately on execution of the 1st line (where we instantiate the dialog object) the this pointer (the pointer to the view object) changes. This event causes the program to assert further down the line since in the subsequent lines of code we access the view's data.
However, if we change the above code as:
int nDlgRetState;
CPayorBenefitDlg dlgPayorBenft;
//subsequent lines of code
Then the dialog comes up fine but the program raises a General Protection Fault on closing the dialog. In this case, the this pointer does not change when the dialog is instantiated.
Finally, if we change the above code as:
int nDlgRetState;
char chArray[100];
CPayorBenefitDlg dlgPayorBenft;
//subsequent lines of code
Then the program works perfectly fine!!
What could be the reason for such an inconsistent behaviour? And any suggestions as to how we can fix the problem??
Thanks,
Arvind
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You are describing the textbook case of a stack corruption. If you are certain the problem is related to the dialog, check to make sure the dialog doesn't have any embedded arrays that might be writing beyond (or before) their bounds.
This problem happens most often with embedded arrays rather than arrays created with new.
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All I can think of (that's what happened to me) is that
a) you're doing something 'weird' in the dialog constructor (most likely)
b) the header file for you class you use is somehow different from the original class
(missing variables and such).
I had the exact same problem, when I fixed the header file it worked fine again...
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I am designing a dialog that resembles a keyboard that will allow the user to enter passwords, keys, etc... Is it possible to create a single message handler for all of the buttons (letters, numbers, spacebar, -, and .), and if so how do you differetiate between which button was actually pressed. Or, do I have to have a single message handler for each individual keyboard button?
Roger Printy
Software Engineer
TeraNex
Orlando, FL
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Supply your own WndProc (window procedure) and look for
the messages in that.
Stephen Kellett
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Any help on doing that, this is new to me. Also, how would you suggest to create an array of button objects that in a constructor is initialized to have each element in the array be a pointer to a button. I am doing this, am I correct because it seems to not be working completely:
CButton *m_pLetterBtn[19];
m_pLetterBtn[1] = (CButton *)GetDlgItem(IDC_KEY_1);
m_pLetterBtn[1] = (CButton *)GetDlgItem(IDC_KEY_2);
m_pLetterBtn[1] = (CButton *)GetDlgItem(IDC_KEY_3);
.
.
.
Roger Printy
Software Engineer
TeraNex
Orlando, FL
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