helpers.h 입니다.
// Helpers.h : Declarations of object safety category helper functions
#include "comcat.h"
HRESULT CreateComponentCategory(CATID catid, WCHAR* catDescription);
HRESULT RegisterCLSIDInCategory(REFCLSID clsid, CATID catid);
helpers.cpp 입니다.
// Helpers.cpp : Implementation of of object safety category helper functions
// Copied from ActiveX SDK
#include "stdafx.h"
#include "helpers.h"
/////////////////////////////////////////////////////////////////////////////
// CreateComponentCategory - Ensures component category exists in registry
// (Copied from ActiveX SDK docs)
HRESULT CreateComponentCategory(CATID catid, WCHAR* catDescription)
{
ICatRegister* pcr = NULL ; // interface pointer
HRESULT hr = S_OK ;
hr = CoCreateInstance(CLSID_StdComponentCategoriesMgr,
NULL, CLSCTX_INPROC_SERVER, IID_ICatRegister, (void**)&pcr);
if (FAILED(hr))
return hr;
// Make sure the HKCR\Component Categories\{..catid...}
// key is registered
CATEGORYINFO catinfo;
catinfo.catid = catid;
catinfo.lcid = 0x0409 ; // english
// Make sure the provided description is not too long.
// Only copy the first 127 characters if it is
int len = wcslen(catDescription);
if (len>127)
len = 127;
wcsncpy(catinfo.szDescription, catDescription, len);
// Make sure the description is null terminated
catinfo.szDescription[len] = '\0';
hr = pcr->RegisterCategories(1, &catinfo);
pcr->Release();
return hr;
}
/////////////////////////////////////////////////////////////////////////////
// RegisterCLSIDInCategory - Registers class clsid as implementing category catid
// (Copied from ActiveX SDK docs)
HRESULT RegisterCLSIDInCategory(REFCLSID clsid, CATID catid)
{
// Register your component categories information.
ICatRegister* pcr = NULL ;
HRESULT hr = S_OK ;
hr = CoCreateInstance(CLSID_StdComponentCategoriesMgr,
NULL, CLSCTX_INPROC_SERVER, IID_ICatRegister, (void**)&pcr);
if (SUCCEEDED(hr))
{
// Register this category as being "implemented" by
// the class.
CATID rgcatid[1] ;
rgcatid[0] = catid;
hr = pcr->RegisterClassImplCategories(clsid, 1, rgcatid);
}
if (pcr != NULL)
pcr->Release();
return hr;
}