🚀 go-pugleaf

See also
 http://www.garretfoster.com/projects/plugins/plugins.pdf

<Tian> wrote in message news:408fb46a$1@newsgroups.borland.com...
> In my application how can I create MULTIPLE instances of a class exported
> from a DYNAMICALLY loaded (not adding the MyDLL.lib to the project) DLL ?
>
>
> // MyDLL.h
> ============
> #ifdef __dll__
>    #define IMPEXP __declspec(dllexport)
> #else
>    #define IMPEXP __declspec(dllimport)
> #endif  // #ifdef __dll__
>
> class IMPEXP __stdcall TMyClass
> {
> public:
>   TMyClass();
>   ~TMyClass();
>   void AMemberFunction(int a, int b);
> };
>
> // MyDLL.cpp
> ===========
> #define __dll__
> #include "MyDLL.h"
>
> #pragma argsused
> int WINAPI DllEntryPoint(HINSTANCE hinst, unsigned long reason, void*
> lpReserved)
> {
>         return 1;
> }
>
> TMyClass::TMyClass() { }
> TMyClass::~TMyClass() { }
> void TMyClass::AMemberFunction(int a, int b) { /*Do something*/}
>
>
> // MyApplication.cpp
> ==================
> #include <MyDLL.h>
>
> void __fastcall TForm1::Button1Click(TObject *Sender)
> {
>      TMyClass *A;
>      TMyClass *B;
>      TMyClass *C;
>      HINSTANCE DLLHnd = NULL;
>      DLLHnd = LoadLibrary("MyDLL.dll");
>      if (DLLHnd != NULL) {
>         What to do now?
>         How to create multiple instances A,B,C of TMyClass ?
>      }
>
>   FreeLibrary(DLLHnd);
>   DLLHnd = NULL;
> }
>
>