I'm working on a project in unmanaged c++. I was writing all (most of) my
code in header files, that is, no seperation of code in header and cpp
files, as usually is done in c++. I feel pretty comfortable doing this as it
my first time writing code in c++. My background is in C#. ...

Hello;
           I want to use some classes that I wrote (MFC based) in my .net
application. I did the following steps to achieve this:
1-       I create a winform application. (The program compile and run

I'm trying to do some pointer manipulation and can not avoid using void * as
the type declaration. I get this error message : error C2036 : 'void *' :
unknown size though. Is there a compiler option or a way to tell the compiler
the size of void * to avoid this?

Given class B C and D all inherit from class A
They all override a method of the form:
Add( A^ lhs, A^ rhs );
But only specific conversions are allowed

Can I write a VC8 dll which used GDI+ and then use this dll in VC6.
I will be using GDI+ to basically load a image in memory and annotate it
with some text and save the image.
Any pointers on how I can do this?

In win32 mode, a BSTR was UINT length prefixed and terminated exactly by a
zero char.
So if you allocated "Hello World" that would allocate 28 bytes.
In x64 and (IA64 as well) it would become 32 bytes, because of the fact that

Well, my first .NET 2.0 app is done. I tested it here on two real
machines and one virtual machine - worked fine in all of them. The
first other person I gave the app to ran it and got the exception
listed below. I asked if he'd installed the .NET 2.0 runtime, he said

I'm puzzled about comments & intellisense.
Sometimes, during programming, you get comments that were typed just above
the declaration in the header files, but sometimes, not while -there are-
comments just above the declaration.

I have done some C, C++, C# development over the years, but wouldn't
call myself an 'expert' at any of them (this has always been a
part-time, write what is needed endeavor with whatever language was
available or necessary). My networking experience (in programming

I have written a win32 console application(exname1.exe) which runs for
ten minutes.I am calling this exname1.exe from another exe named
exname.exe using shellexecuteex.Now from exname.exe coding i have to
check whether exname1.exe is already running or not.How to find whether

I need to define my own types and arrays of these types.
These types are for the most part extensions of the built in types and
need to provide all the basic operations of arithmetic and relational.
If i was using C++ I would overload the operators against my types and

I am using managed cpp, /clr, VS2005 Prof., and I must wait for terrible
long loading time for even simple forms. does anybody encouter this problem
too or u have any solutions for this?
thx, Petr

Can generic types be casted?
say Vector<Type^>^  to Vector<CodeType^>^
Where CodeType is a derivative of Type
Is this possible ?

I am trying to find const variables outside a class. Thur far I did not
succeed. Without const, the variable is found but with const not.
So, how can I get hold on global const variables using reflection?
Regards,

In header file, I see this declaration:
#define DECLARE_VTBL(iname)      iname   vt##iname;
then, in C file, there are below codes:
typedef struct _Abc {