VC++免注册调用大漠插件

look321

#import "dm.dll" no_namespace
#include "stdafx.h"

//创建新的大漠对象
Idmsoft * InitNewDm()
{
Idmsoft*m_dm = NULL;
//COleVariant temp1,temp2;
bool m_bInit = false;

//下面直接加载dll创建对象，避免进行注册文件
typedef HRESULT (__stdcall * pfnGCO) (REFCLSID, REFIID, void**);
pfnGCO fnGCO = NULL;
HINSTANCE hdllInst = LoadLibrary(L"dm.dll");
fnGCO = (pfnGCO)GetProcAddress(hdllInst, "DllGetClassObject");
if (fnGCO != 0)
{
IClassFactory* pcf = NULL;
HRESULT hr=(fnGCO)(__uuidof(dmsoft), IID_IClassFactory, (void**)&pcf);
if (SUCCEEDED(hr) && (pcf != NULL))
{
hr = pcf->CreateInstance(NULL, __uuidof(Idmsoft), (void**)&m_dm);
if ((SUCCEEDED(hr) && (m_dm != NULL))==FALSE)
return false;
}
pcf->Release();
m_bInit=true;
}
else
m_bInit=false;
return m_dm;
}