#define WIN32_LEAN_AND_MEAN  // just say no to MFC#include <windows.h>   // include all the windows headers#include <windowsx.h>  // include useful macros#include <stdio.h>     #include <math.h>#include <fstream.h>#include <iostream.h>#include "resource.h"#include "commctrl.h"// DEFINES ////////////////////////////////////////////////// defines for windows #define WINDOW_CLASS_NAME "WINCLASS1"// GLOBALS ////////////////////////////////////////////////HWND g_hToolbar = NULL;// FUNCTIONS //////////////////////////////////////////////BOOL CALLBACK ToolDlgProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam){    switch(Message)	{		case WM_COMMAND:			switch(LOWORD(wParam))			{				case IDC_PRESS:					MessageBox(hwnd, "Hi!", "This is a message", 						MB_OK | MB_ICONEXCLAMATION);				break;				case IDC_OTHER:					MessageBox(hwnd, "Bye!", "This is also a message", 						MB_OK | MB_ICONEXCLAMATION);				break;			}		break;		default:			return FALSE;	}	return TRUE;}BOOL CALLBACK AboutDlgProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam){    switch(Message)    {        case WM_INITDIALOG:        return FALSE;        case WM_COMMAND:            switch(LOWORD(wParam))            {                case IDOK:					EndDialog(hwnd, IDOK);				break;            }        break;        default:            return FALSE;    }	return FALSE;}LRESULT CALLBACK WindowProc(HWND hwnd, 						    UINT msg,                             WPARAM wparam,                             LPARAM lparam){// this is the main message handler of the systemPAINTSTRUCT		ps;		// used in WM_PAINTHDC				hdc;	// handle to a device contextswitch(msg)	{	case WM_LBUTTONDOWN:		{			MessageBox(NULL, "I''ve just created your new file", "Lost Realms Studios", MB_ICONEXCLAMATION);			ofstream datafile001( "Rpad.txt" );			datafile001 << "Welcome to the new Rpad software!" << endl << endl				<< "This new software allows you to create various items." << endl				<< "These varous items include web design and ASCII saving." << endl;			datafile001.close();			ofstream datafile002( "config.data" );			datafile002 << "[file]" << endl << endl				<< "[new file]=TRUE;" << endl				<< "([prj->n] -> ? : 0)=TRUE" << endl;			datafile002.close();		}                     // <-                              // <-     we just added this stuff      break;	case WM_RBUTTONDOWN:		{			break;		}	case WM_CREATE:			g_hToolbar = CreateDialog(GetModuleHandle(NULL), MAKEINTRESOURCE(IDD_TOOLBAR),				hwnd, ToolDlgProc);			if(g_hToolbar != NULL)			{				ShowWindow(g_hToolbar, SW_SHOW);			}			else			{				MessageBox(hwnd, "CreateDialog returned NULL", "Warning!",						MB_OK | MB_ICONINFORMATION);			}		break;		case WM_COMMAND:			switch(LOWORD(wparam))			{				case ID_FILE_EXIT:					PostMessage(hwnd, WM_CLOSE, 0, 0);				break;				case ID_DIALOG_SHOW:					ShowWindow(g_hToolbar, SW_SHOW);				break;				case ID_DIALOG_HIDE:					ShowWindow(g_hToolbar, SW_HIDE);				break;			}		break;	case WM_PAINT: 		{		// simply validate the window		hdc = BeginPaint(hwnd,&ps);		// you would do all your painting here        EndPaint(hwnd,&ps);        // return success		return(0);   		} break;	case WM_DESTROY: 		{		// kill the application, this sends a WM_QUIT message 		PostQuitMessage(0);        // return success		return(0);		} break;	default:break;    } // end switch// process any messages that we didn''t take care of return (DefWindowProc(hwnd, msg, wparam, lparam));} // end WinProc