Accessing Excel Spreadsheets via C++

/*
Copyright (c) 2006 KnowNow, Inc.  All rights reserved.

@KNOWNOW_LICENSE_START@

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:

1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.

3. The name "KnowNow" is a trademark of KnowNow, Inc. and may not
be used to endorse or promote any product without prior written
permission from KnowNow, Inc.

THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL KNOWNOW, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

@KNOWNOW_LICENSE_END@
*/

/////////////////////////////////////////////////////////////////////////////
//
// WTLExcel.cpp : main source file for WTLExcel.exe
//

#include "stdafx.h"

#include "resource.h"

#include "aboutdlg.h"
#include "MainDlg.h"

CAppModule _Module;

int Run(LPTSTR /*lpstrCmdLine*/ = NULL, int nCmdShow = SW_SHOWDEFAULT)
{
	CMessageLoop theLoop;
	_Module.AddMessageLoop(&theLoop);

	CMainDlg dlgMain;

	if(dlgMain.Create(NULL) == NULL)
	{
		ATLTRACE(_T("Main dialog creation failed!\n"));
		return 0;
	}

	dlgMain.ShowWindow(nCmdShow);

	int nRet = theLoop.Run();

	_Module.RemoveMessageLoop();
	return nRet;
}

int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE /*hPrevInstance*/, LPTSTR lpstrCmdLine, int nCmdShow)
{
	HRESULT hRes = ::CoInitialize(NULL);
// If you are running on NT 4.0 or higher you can use the following call instead to 
// make the EXE free threaded. This means that calls come in on a random RPC thread.
//	HRESULT hRes = ::CoInitializeEx(NULL, COINIT_MULTITHREADED);
	ATLASSERT(SUCCEEDED(hRes));

	// this resolves ATL window thunking problem when Microsoft Layer for Unicode (MSLU) is used
	::DefWindowProc(NULL, 0, 0, 0L);

	AtlInitCommonControls(ICC_BAR_CLASSES);	// add flags to support other controls

	hRes = _Module.Init(NULL, hInstance);
	ATLASSERT(SUCCEEDED(hRes));

	int nRet = Run(lpstrCmdLine, nCmdShow);

	_Module.Term();
	::CoUninitialize();

	return nRet;
}