WTL for MFC Programmers, Part II - WTL GUI Base Classes

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

#include "stdafx.h"
#include "resource.h"
#include "WTLClockView.h"
#include "aboutdlg.h"
#include "MainFrm.h"

CAppModule _Module;

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

    CMainFrame wndMain;

    if(wndMain.CreateEx() == NULL)
    {
        ATLTRACE(_T("Main window creation failed!\n"));
        return 0;
    }

    wndMain.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;
}