C++ 错误C2143:语法错误:缺少'';在'之前__stdcall“;
我在创建COM DLL时遇到一些问题。我的IClassFactory实现如下所示:C++ 错误C2143:语法错误:缺少'';在'之前__stdcall“;,c++,dll,com,syntax-error,stdcall,C++,Dll,Com,Syntax Error,Stdcall,我在创建COM DLL时遇到一些问题。我的IClassFactory实现如下所示: include <windows.h> #include <ObjBase.h> #include "AddObj.h" #include "AddObjFactory.h" HRESULT __stdcall CAddFactory::CreateInstance(IUnknown* pUnknownOuter,
include <windows.h>
#include <ObjBase.h>
#include "AddObj.h"
#include "AddObjFactory.h"
HRESULT __stdcall CAddFactory::CreateInstance(IUnknown* pUnknownOuter,
const IID& iid, void** ppv)
{
if (pUnknownOuter) { return CLASS_E_NOAGGREGATION; }
CAddObj* pObject = new CAddObj();
if (pObject == NULL)
{
return E_OUTOFMEMORY;
}
return pObject->QueryInterface(iid, ppv);
}
HRESULT __stdcall CAddFactory::LockServer(BOOL bLock)
{
return E_NOTIMPL;
}
包括
#包括
#包括“AddObj.h”
#包括“AddObjFactory.h”
HRESULT\uu stdcall CAddFactory::CreateInstance(IUnknown*Punnower,
常量IID和IID,无效**ppv)
{
if(punnowner){return CLASS_E__NOAGGREGATION;}
CAddObj*pObject=新的CAddObj();
if(pObject==NULL)
{
返回E_OUTOFMEMORY;
}
返回POObject->QueryInterface(iid,ppv);
}
HRESULT\uu stdcall CAddFactory::LockServer(布尔块)
{
返回E_NOTIMPL;
}
我的问题是VisualStudio总是在第6行(以及更多行)上说“error C2143:syntax error:missing';”在“\uu stdcall”之前。我已经在谷歌上搜索过了,我发现我必须包括windows.h。但这并不能解决我的问题。。。有人知道我的代码出了什么问题,或者我需要包括什么来解决问题吗?通过编译头文件,我得到了相同的错误:
#include <Windows.h>
#include <ObjBase.h>
class CAddFactory : public IClassFactory
{
public:
HRESULT __stdcall QueryInterface(REFIID riid, void **ppObj);
ULONG __stdcall AddRef();
ULONG __stdcall Release();
HRESULT __stdcall CreateInstance(IUnknown* pUnknownOuter,
const IID& iid, void** ppv);
HRESULT __stdcall LockServer(BOOL bLock);
private:
long m_nRefCount;
}
#包括
#包括
CAddFactory类:公共IClassFactory
{
公众:
HRESULT stdcall查询接口(refid riid,void**ppObj);
ULONG_uustdcall AddRef();
ULONG_uustdcall Release();
HRESULT\uuu stdcall CreateInstance(IUnknown*punnower,
常量IID和IID,无效**ppv);
HRESULT\uuu stdcall LockServer(布尔块);
私人:
长m_nRefCount;
}
顺便说一下,代码基于codeguru的教程。您必须将
代码>在每个类和结构之后,因为它们是像inta这样的对象代码>,而不是函数<代码>标题中缺少代码>
#include <Windows.h>
#include <ObjBase.h>
class CAddFactory : public IClassFactory {
public:
HRESULT __stdcall QueryInterface(REFIID riid, void **ppObj);
ULONG __stdcall AddRef();
ULONG __stdcall Release();
HRESULT __stdcall CreateInstance(IUnknown* pUnknownOuter, const IID& iid, void** ppv);
HRESULT __stdcall LockServer(BOOL bLock);
private:
long m_nRefCount;
}; //<- Master forgot Dobby.
#包括
#包括
CAddFactory类:公共IClassFactory{
公众:
HRESULT stdcall查询接口(refid riid,void**ppObj);
ULONG_uustdcall AddRef();
ULONG_uustdcall Release();
HRESULT uu stdcall CreateInstance(IUnknown*punnower,const IID&IID,void**ppv);
HRESULT\uuu stdcall LockServer(布尔块);
私人:
长m_nRefCount;
}; //“编译头文件”?真奇怪。(见Helix的答案)