引言:

小弟根據先進們的文章做出來所要用的code(動態連結)，但在編譯當中，一值發生錯誤，訊息如下
Build
  [C   Error] gcaic.cpp(38): E2034 Cannot convert 'int (*)(int,unsigned char,int,char)' to 'int'
  [C   Error] gcaic.cpp(45): E2034 Cannot convert 'int (*)(int,unsigned char,int,char)' to 'int'
小弟的code如下：

//---------------------------------------------------------------------------
#ifndef gcaicH
#define gcaicH
//---------------------------------------------------------------------------
#include 
#include 
#include 
#include <Forms.hpp>
//---------------------------------------------------------------------------
class TForm1 : public TForm
{
__published:        // IDE-managed Components
        TButton *Button1;
        TLabel *Label1;
        TLabel *Label2;
        void __fastcall FormCreate(TObject *Sender);
        void __fastcall Button1Click(TObject *Sender);
private:        // User declarations
        int                iRetValue;
        int                iID;
        unsigned char        *pCard;
        int                iLength;
              int                        ick;
             char                     *sReadName;
public:                // User declarations
        __fastcall TForm1(TComponent* Owner);
};
//---------------------------------------------------------------------------
extern PACKAGE TForm1 *Form1;
//---------------------------------------------------------------------------
#endif
<.cpp部分>
#include 
#pragma hdrstop
#include "gcaic.h"
#include "codeFunction.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormCreate(TObject *Sender)
{
             iID             = 1;
             pCard         = NULL;
             iLength       = 0;
             ick              =10;
             iRetValue   = 0;
             sReadName       = NULL;
}
//---------------------------------------------------------------------------
typedef int (*GETGCA)(int,unsigned char,int,char);
void __fastcall TForm1::Button1Click(TObject *Sender)
{
  HINSTANCE dll=NULL;
  GETHERE hereforce;      dll=LoadLibrary("hereforce.dll");
  if(dll!=NULL){
        hereforce=(GETHERE)GetProcAddress(dll,"_hereforce");
        if(hereforce != NULL){
                iRetValue = hereforce;
                if ( iRetValue !=0 ){
                        if (iRetValue != 4006 ){
                                Label2->Caption = iRetValue;
                        }
                        else{
                                pCard = new unsigned char[iLength];
                                iRetValue = hereforce;
                        }
                }
                if(iRetValue != 0){
                        ick=2;
                }
                else{
                        ick=1;
                }
        }
  }
  else{
        Label2->Caption = "LoadLibrary error\n";
  }
  Label1->Caption =ick;
}
//---------------------------------------------------------------------------

#ifndef __GDCFUNCTION_DLL__
#define __GDCFUNCTION_DLL__    extern "C" __declspec(dllexport)
unsigned long __stdcall Gethereforce( int iID,unsigned char *pCard,int *pLength,char *sReaderName);
#endif
請先進們指教

seestyle 你好:
(1)請問?? 這篇文章看過了嗎??
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