试图动态链接库时,我得到了一些麻烦。视窗 - 载入库动态C++
我的其他专题,并搜查了维基,发现两个有趣的链接:
- Dynamically load a function from a DLL
- Tutorial: Using Dynamic Linked Libraries in C++Builder Applications
然而,当我尝试我的图书馆动态我得到悬而未决链接在我applicationk外,这里的文件:
CriptLib.h:
我的代码个#ifndef CriptLibH
#define CriptLibH
#ifdef CRIPTNSDLL_EXPORTS
#define CRIPTLIB_API __declspec(dllexport)
#else
#define CRIPTLIB_API __declspec(dllimport)
#endif
#ifdef __cplusplus
#include <fmx.h>
#include <FMX.Dialogs.hpp>
#include <System.Classes.hpp>
#include <string.h>
#include <FMX.Memo.hpp>
extern "C" {
#endif
CRIPTLIB_API void Cript_BasicoM(String Original, String Chave, TMemo* Memo);
CRIPTLIB_API void Cript_BasicoL(String Original, String Chave, TStringList* Lista);
CRIPTLIB_API void Cript_BasicoS(String Original, String Chave, String* Linha);
CRIPTLIB_API void Decript_BasicoM(String Chave, TMemo* Memo);
CRIPTLIB_API void Decript_BasicoL(String Chave, TStringList* Lista);
CRIPTLIB_API void Decript_BasicoS(String Original, String Chave, String* Linha);
CRIPTLIB_API String VerProg();
#ifdef __cplusplus
}
namespace CriptLib
{
class Encriptar
{
public:
static void Subst(String Original, String Chave, TMemo* Memo) { Cript_BasicoM(Original, Chave, Memo); }
static void Subst(String Original, String Chave, TStringList* Lista) { Cript_BasicoL(Original, Chave, Lista); }
static void Subst(String Original, String Chave, String* Linha) { Cript_BasicoS(Original, Chave, Linha); }
};
class Decriptar
{
public:
static void Subst(String Chave, TMemo* Memo) { Decript_BasicoM(Chave, Memo); }
static void Subst(String Chave, TStringList* Lista) { Decript_BasicoL(Chave, Lista); }
static void Subst(String Original, String Chave, String* Linha) { Decript_BasicoS(Original, Chave, Linha); }
};
class Info
{
public:
static String Ver() { return VerProg(); }
};
}
#endif
#endif
配件:
const wchar_t* library = L"CriptLib.dll";
typedef String (*VerInfoS)();
// Don't know if the following sentence is necessary once it is already declared in CriptLib.h (But I've also tried with it)
extern "C" __declspec(dllimport) String VerProg();
和负载momment:
HINSTANCE load = LoadLibrary(library);
if (load) {
VerProgS verified = (VerProgS)GetProcAddress(load, "VerProg");
if (!verified) goto jump;
frmAbout->lblExtName->Text = "CriptLib V" + CriptLib::Info::Ver();
jump:
}
那么,事情是......我不wnat我的应用程序依赖这个dll的,但是如果它有dll必须加载,所以我只是没有包含.lib文件到项目中,并评论下面的行。
//#pragma comment (lib, "CriptLib.lib")
的错误,我已经有了:
[ilink32 Error] Error: Unresolved external '_VerProg' referenced from C:\USERS\USER\DOCUMENTS\PROJECT\WIN32\RELEASE\LOAD.OBJ
因为现在,thaks很多球员。
@CaptainObvlious但我想库动态链接,所以.dll文件我就不会需要运行该程序。 – mauroaraujo