#include <windows.h>
        
#include <math.h>
        
#include <process.h>

typedef struct
        
{
        
           HWND          hwnd ;
        
           int           cxClient ;
        
           int           cyClient ;
        
           int           cyChar ;
        
           BOOL bKill ;
        
}PARAMS, *PPARAMS ;
        
LRESULT APIENTRY WndProc (HWND, UINT, WPARAM, LPARAM) ;
        
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
        
                   PSTR szCmdLine, int iCmdShow)
        
{
        
           static TCHAR szAppName[] = TEXT ("Multi2") ;
        
           HWND                                 hwnd ;
        
           MSG                                  msg ;
        
           WNDCLASS                            wndclass ;
        

        
           wndclass.style                               = CS_HREDRAW | CS_VREDRAW ;
        
           wndclass.lpfnWndProc                         = WndProc ;
        
           wndclass.cbClsExtra                          = 0 ;
        
           wndclass.cbWndExtra                          = 0 ;
        
           wndclass.hInstance                           = hInstance ;
        
           wndclass.hIcon                              = LoadIcon (NULL, IDI_APPLICATION) ;
        
           wndclass.hCursor                             = LoadCursor (NULL, IDC_ARROW) ;
        
           wndclass.hbrBackground              = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
        
           wndclass.lpszMenuName                = NULL ;
        
           wndclass.lpszClassName               = szAppName ;
        
   
        
           if (!RegisterClass (&wndclass))
        
           {
        
       MessageBox (NULL, TEXT ("This program requires Windows NT!"),
        
                  szAppName, MB_ICONERROR) ;
        
                  return 0 ;
        
           }
        
   
        
           hwnd = CreateWindow ( szAppName, TEXT ("Multitasking Demo"),
        
                         WS_OVERLAPPEDWINDOW,
        
                         CW_USEDEFAULT, CW_USEDEFAULT,
        
                        CW_USEDEFAULT, CW_USEDEFAULT,
        
                         NULL, NULL, hInstance, NULL) ;
        
   
        
          ShowWindow (hwnd, iCmdShow) ;
        
           UpdateWindow (hwnd) ;
        
   
        
           while (GetMessage (&msg, NULL, 0, 0))
        
           {
        
                  TranslateMessage (&msg) ;
        
                  DispatchMessage (&msg) ;
        
           }
        
           return msg.wParam ;
        
}