Re: [Dev-C++] Exporting a Class in C++....

[Raghunath Marella.S <ms...@ya...>]

It looks like the declaration of a class function is
required in .DEF file. But I am not getting what
format will be the one to list a class member function
in .DEF file. 

Will anyone suggest me the same.

thanks & regards,
Raghunath
--- Per Westermark <pw...@ia...> wrote:
> The normal way to create new classs in a DLL is to:
> 
> - declare a (possibly abstract) base class in main
> program.
> - declare a new class inherriting from the base
> class in the DLL.
> - export a object-create function in the DLL.
> 
> The main program then calls the create function in
> the DLL, and receives a
> pointer to the new subclassed object.
> 
> Since virtual method calls are decided at run-time,
> all virtual calls will
> go to the new class implementation. Inline and
> non-virtual methods will
> use tme methods available at compile time, i.e. the
> code in the main 
> program.
> 
> /PWM
> 
> 
> On Tue, 6 Aug 2002, Raghunath Marella.S wrote:
> 
> > Hi there,
> > 
> > I am trying to export a class in a DLL. I have
> > declared that class as __declspec(dllexport). I am
> > trying to link this DLL dynamicall from an
> executable.
> > With the help of a example in MSDN, i declared a
> > similar class in executable, with same name and
> also
> > the same funcitons which are required to call from
> > executable. This class in 'exe' was declared
> > __declspec(dllimport). 
> > 
> > NOw a object for this class has been declared in
> 'exe'
> > and  calling member functions thro object. 
> > 
> > The DLL was loaded by LoadLibrary(..) call. 
> > 
> > WIll any one let me know is the above procedure
> > sufficient or something else also to be done. 
> > 
> > thanks & regards,
> > Raghunath
> > 
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