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What is the reason for explicitly initializing string variables with the empty string?

Check out ScrollWindow function.

When you run it "in the IDE", you are still running the compiled and linked executable.
Are you saying that the same exe file that runs OK from IDE behaves differently when simply double-clicked...

I think this approach is very naive. Why would I use any of Enum...() or Find...() functions to locate the window that I created? I would much rather keep a handle in some container.
The program you...

Do you really need a button in every row of the list view?
Buttons are windows, and having a lot of them will cause problems.
You can already process clicks in the list view, do you just want it to...

File corruption?
Can you run it from the command line or from windows explorer?

Do you really need to load your image in response to EVERY windows message you get? (hint – no, you don’t).
Since you only attempt to delete this HBITMAP while processing WM_PAINT message, all other...

So many questions!
The 'Not Responding' issue is explained by S_M_A. You can fix it with either working threads, or by processing Windows messages from time to time. Use MsgWaitForMultipleObjects()...

Alternatively, you can provide a constructor for B2 that takes a value to be set to m_var, and initialize B2 instead of that variable.

So, the user will write the code to perform some HW interaction, and you will provide the button that calls his function?
Not a lot of value, in my opinion.

But he did - called it "wesult" and it worked...

This implementation of bubble sort looks wrong:

for(i=0;i<n-1;i++)
for(j=1;j<i;j++)
order(c1+i,c1+j);

This "Linker/Advanced/Import Library" produces /IMPLIB command, NOT the input library:
http://msdn.microsoft.com/en-us/library/67wc07b9(v=vs.80).aspx
You need to specify Linker/Input/Additional...

The MFC's DoModal() looks for the dialog resource in the instance returned by AfxGetResourceHandle(), so you need to temporary replace it with your DLL's instance:

HMODULE hDll =...

Is this your first DLL project? Have you ever used other DLLs in your projects?
You have to LINK to the lib that implements these functions.

Try to create a DLL project using VS Wizard. You should see something like that:

// The following ifdef block is the standard way of creating macros which make exporting
// from a DLL simpler....

900 of what? And 60 of what?

First, I *DO* understand that in order to provide free forum one has to run ads.
But new placement is really bad. If I remember correctly, the thread view did not have ad on the right side before –...

No, line 7 is this one:

class NumericArray: public Array<Type>
and it looks like you simply are not including array.h in NumericArray.cpp

I see that your current problem is solved, but would like to point that, according to your screenshot, your latest build failed and you are debugging something else.

Instead of clipping, process the WM_WINDOWPOSCHANGING message

You should read about flicker-free drawing using double buffering.
In short, you plot your data on the off-screen DC and use BitBlt() in your OnDraw() to paint it on screen.
You would also need to...

Not really. May be if Imperial system was decimal-based... :)

1. Declaring a function in the base class “virtual” is sufficient for all derived classes function of the same name be virtual.
2. Compiler will generate the destructor for a class if it is not...

I meant that you can only determine if the code was built for 32-bit or for 64-bit, NOT if it runs on 64-bit.

Well, you can use only one (64-bit) build and see if it even runs on your system :)
...