bcb调用bcb编译的动态库都出错，要哭了。

[失落的羊]

winxp + bcb6.0

库文件如下：我是编译的C库 ，只输出一个函数

//---------------------------------------------------------------------------

#include <windows.h>
//---------------------------------------------------------------------------
//   Important note about DLL memory management when your DLL uses the
//   static version of the RunTime Library:
//
//   If your DLL exports any functions that pass String objects (or structs/
//   classes containing nested Strings) as parameter or function results,
//   you will need to add the library MEMMGR.LIB to both the DLL project and
//   any other projects that use the DLL.  You will also need to use MEMMGR.LIB
//   if any other projects which use the DLL will be performing new or delete
//   operations on any non-TObject-derived classes which are exported from the
//   DLL. Adding MEMMGR.LIB to your project will change the DLL and its calling
//   EXE's to use the BORLNDMM.DLL as their memory manager.  In these cases,
//   the file BORLNDMM.DLL should be deployed along with your DLL.
//
//   To avoid using BORLNDMM.DLL, pass string information using "char *" or
//   ShortString parameters.
//
//   If your DLL uses the dynamic version of the RTL, you do not need to
//   explicitly add MEMMGR.LIB as this will be done implicitly for you
//---------------------------------------------------------------------------

#pragma argsused
int WINAPI DllEntryPoint(HINSTANCE hinst, unsigned long reason, void* lpReserved)
{
        return 1;
}
//---------------------------------------------------------------------------


extern __declspec(dllexport)
int __stdcall FucFormActive(int bFormID);

int __stdcall FucFormActive(int bFormID)
{
 return bFormID+300;

}

然后在应用程序中，如下静态调用（前面生成的bc.lib文件已经加入了工程）：
编译通过，连接出错。

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
__declspec(dllimport) int __stdcall FucFormActive(int bFormID);
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------


void __fastcall TForm1::Button1Click(TObject *Sender)
{
//
      int cc=FucFormActive(20);

      ShowMessage("It is"+IntToStr(cc));

     }

}

求解？

[失落的羊]

顺便说一下，我用生成的bc.dll，动态调用，程序是正常的。

[失落的羊]

链接错误如下：
[Linker Error] Unresolved external '__stdcall FucFormActive(int)' referenced from F:\TMPWORKSHOP\BCB_DLL\USE_DLL\UNIT1.OBJ

[柯本]

你的DLL是C的，那么调用时要用：
extern "C" __declspec(dllimport) int __stdcall FucFormActive(int bFormID);

[ydlchina]

需要在BCB的项目中加入输入接口库(import library)，打开工程项目，使用BCB View|Project Manager打开项目列表，向项目中加入接口库(*.lib)。

做个测试通过(CB2010)

[失落的羊]

谢谢楼上的几位。keiy 正解。加上就可以了。

[mabaoyes]

keiy 正解。加上就可以.
恭喜楼主搞定问题!

[周药师]

祝贺lz解决问题了

"Unresolved external FucFormActive"
lz看见这些错误，提示没有找到FucFormActive
应该自己多想想，多思考