ATL / WTL / STL

// Sample.cpp : Using _tWinMain to display a CAxDialogImpl<> and a CWindowImpl<>.

#include "stdafx.h"
#include "resource.h"
#include "mainDialog.h"

class CMyWindow : public CWindowImpl<CMyWindow>
{
public:
   // Optionally specify name of the new Windows class
   DECLARE_WND_CLASS("MyName") 
              // If this macro is not specified in your
              // class, ATL will generate a class name
   

   BEGIN_MSG_MAP(CMyWindow)
      MESSAGE_HANDLER(WM_PAINT, OnPaint)
   END_MSG_MAP()

   LRESULT OnPaint(UINT nMsg, WPARAM wParam, 
                   LPARAM lParam, BOOL& bHandled)
   {
      // Do some painting code
      return 0;
   }
};



class CSampleModule : public CAtlExeModuleT< CSampleModule >
{
public :
	HRESULT PreMessageLoop(int nShowCmd)
	{
		HRESULT hr = CAtlExeModuleT<SampleModule>::PreMessageLoop(nShowCmd);
		if (FAILED(hr))
			return hr;

	
		return S_FALSE;
	}
};

CSampleModule _AtlModule;

//
extern "C" int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE /*hPrevInstance*/, 
                                LPTSTR /*lpCmdLine*/, int nShowCmd)
{
	//LPSTR szTitle = "";

	//LoadString( hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);


	CMainDialog* mainDlg = new CMainDialog();//CMainDialog is a subclass of CAxDialogImpl<>
	//mainDlg->DoModal();
	mainDlg->Create(NULL);//Possible like this, using NULL as parent,
                              //so that desktop is parent window, and omitting
                              //second parameter, the client rect?

	//Sleep(10000);//To see whether the dialog is visible before it gets out of scope.

	CMyWindow* myWnd = new CMyWindow();

	myWnd->Create( 0, CWindow::rcDefault, "Image Test",
	WS_OVERLAPPEDWINDOW, WS_EX_CLIENTEDGE ); //Parent 0, i.e. desktop.

	if( !myWnd ) {
		return FALSE;
	}

	myWnd->CenterWindow();
	myWnd->ShowWindow( nShowCmd );
	myWnd->UpdateWindow();

	//Sleep(5000);

	return _AtlModule.WinMain(nShowCmd);

}