我已经在Managed C ++中编写了一个包装层，该包装层与使用Native C ++编写的第三方软件的API层接口。现在，包装程序进行编译并正确构建。生成顺序如下： （1）第三方API（本机C ++，并作为库构建）， （2）我在Managed C ++（C ++ / CLR并作为库构建）中的warpper层， （3）使用我的包装器以Managed C ++编写的主应用程序与第三方API通信。
现在，在包装层中，我想在Main应用程序层中使用某些类（在上面的3中），因此我要公开的方法，我编写了一个接口类，因此仅公开了我需要的到第3层（即主应用程序层）。一个示例如下所示：
namespace RvBeehdClientApiWrapper
{
public ref class BeehdClientInitParamsWapper : public IBeehdClientInitParamsWapper
{
public:
BeehdClientInitParamsWapper();
~BeehdClientInitParamsWapper();
///*virtual*/ bool get_VideoOutHwnd(unsigned long long^ newVal) { return true; };
virtual bool put_VideoOutHwnd(unsigned long long newVal);
///*virtual*/ bool get_VideoLocalOutHwnd(unsigned long long^ newVal) { return true; };
virtual bool put_VideoLocalOutHwnd(unsigned long long newVal);
///*virtual*/ bool get_VideoOutPncHwnd(unsigned long long^ pVal) { return true; };
virtual bool put_VideoOutPncHwnd(unsigned long long newVal);
///*virtual*/ bool get_ConfigFilePath(String^ pVal) { return true; };
virtual bool put_ConfigFilePath(String^ newVal);
///*virtual*/ bool get_ProgramDataPath(String^ pVal) { return true; };
virtual bool put_ProgramDataPath(String^ newVal);
///*virtual*/ bool get_LogFilesNumber(unsigned long^ pVal) { return true; };
virtual bool put_LogFilesNumber(unsigned long newVal);
///*virtual*/ bool get_LogFilesSize(unsigned long^ pVal) { return true; };
virtual bool put_LogFilesSize(unsigned long newVal);
///*virtual*/ bool get_LogsPath(String^ pVal) { return true; };
virtual bool put_LogsPath(String^ newVal);
///*virtual*/ bool get_LicenseFilePath(String^ pVal) { return true; };
virtual bool put_LicenseFilePath(String^ newVal);
///*virtual*/ bool get_IotFilePath(String^ pVal) { return true; };
virtual bool put_IotFilePath(String^ newVal);
virtual bool put_HistoryFilePath(String^ newVal);
virtual bool put_IsAppLogEnabled(bool newVal);
virtual bool put_IsLogContinuityOnStart(bool newVal);
const CBeehdClientInitParamsImpl* get_InitializationParams() { return m_InitializationParams; }
private:
CBeehdClientInitParamsImpl* m_InitializationParams;
};
}
其接口类如下：
namespace RvBeehdClientApiWrapper
{
public interface class IBeehdClientInitParamsWapper
{
bool put_VideoOutHwnd(unsigned long long newVal);
bool put_VideoLocalOutHwnd(unsigned long long newVal);
bool put_VideoOutPncHwnd(unsigned long long newVal);
//bool get_ConfigFilePath(String^ pVal);
bool put_ConfigFilePath(String^ newVal);
//bool get_ProgramDataPath(String^ pVal);
bool put_ProgramDataPath(String^ newVal);
//bool get_LogFilesNumber(unsigned long^ pVal);
bool put_LogFilesNumber(unsigned long newVal);
//bool get_LogFilesSize(unsigned long^ pVal);
bool put_LogFilesSize(unsigned long newVal);
//bool get_LogsPath(String^ pVal);
bool put_LogsPath(String^ newVal);
//bool get_LicenseFilePath(String^ pVal);
bool put_LicenseFilePath(String^ newVal);
//bool get_IotFilePath(String^ pVal);
bool put_IotFilePath(String^ newVal);
bool put_HistoryFilePath(String^ newVal);
bool put_IsAppLogEnabled(bool newVal);
bool put_IsLogContinuityOnStart(bool newVal);
};
}
主应用程序层通过Factory类使用BeehdClientInitParamsWapper。工厂类的工作是创建BeehdClientInitParamsWapper类的单例实例并返回该实例，以便可以将其用于获取IBeehdClientInitParamsWapper类公开的公开方法。请参见下面BeehdClientInitParamsWapper的Factory类的实现：
#pragma once
#include "IApiWrapperClass.h"
using namespace System;
namespace RvBeehdClientApiWrapper
{
ref class ApiWrapperClass;
public interface class IApiWrapperFactory
{
IApiWrapperClass^ GetWrapperApiInstance();
};
public ref class ApiWrapperFactory : public IApiWrapperFactory
{
public:
ApiWrapperFactory() {}
~ApiWrapperFactory() {}
virtual IApiWrapperClass^ GetWrapperApiInstance();
private:
static ApiWrapperClass^ m_theWrapperInstance;
};
}
工厂类的主体如下：
#include "ApiWrapperFactory.h"
#include "RvBeehdClientApiWrapper.h"
RvBeehdClientApiWrapper::IApiWrapperClass^ RvBeehdClientApiWrapper::ApiWrapperFactory::GetWrapperApiInstance()
{
if (m_theWrapperInstance == nullptr)
{
m_theWrapperInstance = gcnew ApiWrapperClass();
}
return m_theWrapperInstance;
}
主应用程序层（上面的3）使用以下方法：
#include "BeehdClientInitParamsFactory.h"
#include "IBeehdClientInitParamsWapper.h"
bool RifMCDllMain::Start(...)
{
bool success = true;
try
{
// Store the passed in RCA Config data reference.
CConfigDetails ^ config = CConfigDetails::Instance;
config->UseRcaConfig(rcaConfig);
if (config->ReadConfigData())
{
// 1. Call Wrapper to populate the parameter object.
RvBeehdClientApiWrapper::BeehdClientInitParamsFactory^ _ptrWrapperParamFactory =
gcnew RvBeehdClientApiWrapper::BeehdClientInitParamsFactory();
RvBeehdClientApiWrapper::IBeehdClientInitParamsWapper^ _pwrapperparameters =
_ptrWrapperParamFactory->get_WrapperInitParamsInstance();
//Populate the parameter object.
_pwrapperparameters->put_VideoOutHwnd(5049174);
_pwrapperparameters->put_VideoLocalOutHwnd(992466);
_pwrapperparameters->put_VideoOutPncHwnd(468162);
...
}
else
{
_log->Error("Read RIF config data failed");
success = false;
}
在全部实现之后，我按以下顺序编译解决方案： （i）第三方API（本机C ++，并作为库构建）-> 这将编译并创建一个库 （ii）我在Managed C ++中的包装层（C ++ / CLR，并作为库构建）-> 这将编译并创建我的包装库 （iii）使用我的包装器以Managed C ++编写的主应用程序与第三方API通信-> 这会产生以下链接错误：
请告知，因为我真的很困。 预先非常感谢。
请在下面查看编译错误：
1>------ Build started: Project: RifMC, Configuration: Debug Win32 ------
1>ConfigurationDetails.obj : /DEBUG:FASTLINK is not supported when managed code is present; restarting link with /DEBUG:FULL
1>ConfigurationDetails.obj : MSIL module encountered; incremental linking is disabled for MSIL; performing full link
1>RifMCDllMain.obj : warning LNK4248: unresolved typeref token (0100001E) for 'RvBeehdClientApiWrapper.ApiWrapperClass'; image may not run
1>RifMCDllMain.obj : warning LNK4248: unresolved typeref token (0100001F) for 'RvBeehdClientApiWrapper.BeehdClientInitParamsWapper'; image may not run
1>RifMCDllMain.obj : error LNK2020: unresolved token (06000069) RvBeehdClientApiWrapper.ApiWrapperFactory::GetWrapperApiInstance
1>RifMCDllMain.obj : error LNK2020: unresolved token (06000070) RvBeehdClientApiWrapper.BeehdClientInitParamsFactory::get_WrapperInitParamsInstance
1>C:\Git\DSxMissionCriticals\DSxSuper\MissionCritical\RifMC\Debug\RifMC.dll : fatal error LNK1120: 2 unresolved externals
1>Done building project "RifMC.vcxproj" -- FAILED.
===========构建：0成功，1失败，0最新，跳过0 =========
================================================ ========================
namespace RvBeehdClientApiWrapper
{
ref class BeehdClientInitParamsWapper;
public interface class IBeehdClientInitParamsWapperFactory
{
RvBeehdClientApiWrapper::IBeehdClientInitParamsWapper^ get_WrapperInitParamsInstance();
};
public ref class BeehdClientInitParamsFactory : public IBeehdClientInitParamsWapperFactory
{
public:
BeehdClientInitParamsFactory() {}
~BeehdClientInitParamsFactory() {}
virtual RvBeehdClientApiWrapper::IBeehdClientInitParamsWapper^ get_WrapperInitParamsInstance();
private:
static BeehdClientInitParamsWapper^ m_theWrapperInitParamInstance;
};
}
RvBeehdClientApiWrapper::IBeehdClientInitParamsWapper^ RvBeehdClientApiWrapper::BeehdClientInitParamsFactory::get_WrapperInitParamsInstance()
{
if (m_theWrapperInitParamInstance == nullptr)
{
m_theWrapperInitParamInstance = gcnew RvBeehdClientApiWrapper::BeehdClientInitParamsWapper();
}
return m_theWrapperInitParamInstance;
}