cathelp.cpp

Source code for EMFexplorer 1.0

/*
*	This file is part of the EMFexplorer projet.
*	Copyright (C) 2004 Smith Charles.
*
*	This library is free software; you can redistribute it and/or
*	modify it under the terms of the GNU Lesser General Public
*	License as published by the Free Software Foundation; either
*	version 2.1 of the License, or (at your option) any later version.
*
*   This library is distributed in the hope that it will be useful,
*   but WITHOUT ANY WARRANTY; without even the implied warranty of
*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
*   Lesser General Public License for more details.
*
*   You should have received a copy of the GNU Lesser General Public
*   License along with this library; if not, write to the Free Software
*   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
*
*	Extension: for commercial use, apply the Equity Public License, which
*	adds to the normal terms of the GLPL a condition of donation to the author.
*   If you are interested in support for this source code,
*   contact Smith Charles <[e-mail]> for more information.
*/


#include "stdafx.h"
#include "CatHelp.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

////////////////////////////////////////////////////////////////////////////////////////
/// (c) Microsoft, 1998
/// MSDN: Article ID: Q161873
/// HOWTO: Mark MFC Controls Safe for Scripting/Initialization
#include "comcat.h"


// Helper function to create a component category and associated
// description
HRESULT CreateComponentCategory(CATID catid, WCHAR* catDescription)
{
	ICatRegister* pcr = NULL ;
	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;
}

// Helper function to register a CLSID as belonging to a component
// category
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;
}
/// End of (c) 1998 Microsoft
////////////////////////////////////////////////////////////////////////////////////////