#include <windows.h>


/*********************  Prototypes  ***********************/

LRESULT WINAPI MainWndProc( HWND, UINT, WPARAM, LPARAM );

/*******************  Global Variables ********************/

HANDLE ghInstance;

int PASCAL WinMain( HINSTANCE hInstance,
    HINSTANCE hPrevInstance,
    LPSTR lpszCmdLine,
    int nCmdShow )
{
   WNDCLASS wc;
   MSG msg;
   HWND hWnd;

      wc.lpszClassName = "ControlAppClass";
      wc.lpfnWndProc = MainWndProc;
      wc.style = CS_OWNDC | CS_VREDRAW | CS_HREDRAW;
      wc.hInstance = hInstance;
      wc.hIcon = LoadIcon( NULL, IDI_APPLICATION );
      wc.hCursor = LoadCursor( NULL, IDC_ARROW );
      wc.hbrBackground = (HBRUSH)( COLOR_WINDOW+1 );
      wc.lpszMenuName = NULL;
      wc.cbClsExtra = 0;
      wc.cbWndExtra = 0;

      RegisterClass( &wc );

   ghInstance = hInstance;

   hWnd = CreateWindow( "ControlAppClass",
      "Control Application",
      WS_OVERLAPPED | WS_SYSMENU | WS_MINIMIZEBOX,
      0,
      0,
      300,
      300,
      NULL,
      NULL,
      hInstance,
      NULL
   );

   ShowWindow( hWnd, nCmdShow );
   UpdateWindow (hWnd) ;

   while( GetMessage( &msg, NULL, 0, 0 ) ) {
      TranslateMessage( &msg );
      DispatchMessage( &msg );
   }

   return msg.wParam;
}

/********************************************************************\
* Function: LRESULT CALLBACK MainWndProc(HWND, UINT, WPARAM, LPARAM) *
*                                                                    *
*  Purpose: Processes Application Messages                           *
*                                                                    *
* Comments: The following messages are processed                     *
*                                                                    *
*           WM_PAINT                                                 *
*           WM_COMMAND                                               *
*           WM_DESTROY                                               *
*                                                                    *
*                                                                    *
\********************************************************************/


LRESULT CALLBACK MainWndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
     static HWND  hwndButton[3], hwndEdit ;
	 char buffer[255];
	 char bhwnd[10], bhwnd2[10];
     
           CHAR lpszTrouble[] = "When in the Course of human Events " 
                                "it becomes necessary for one People " 
                                "to dissolve the Political Bands which " 
                                "have connected them with another, and " 
                                "to assume among the Powers of the " 
                                "Earth, the separate and equal Station " 
                                "to which the Laws of Nature and of " 
                                "Nature's God entitle them, a decent " 
                                "Respect to the Opinions of Mankind " 
                                "requires that they should declare the " 
                                "causes which impel them to the " 
                                "Separation. "; 
     switch (message)
     {
     case WM_CREATE :
          hwndButton[0] = CreateWindow ( TEXT("button"), 
                         "This is a button",
                         WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON,
                         70, 10, 160, 30,
                         hwnd, (HMENU) 0, ghInstance, NULL);

          hwndButton[1] = CreateWindow ( TEXT("button"), 
                         "This is a check box",
                         WS_CHILD | WS_VISIBLE | BS_AUTOCHECKBOX,
                         70, 50, 160, 30,
                         hwnd, (HMENU) 1, ghInstance, NULL);

          hwndButton[2] = CreateWindow ( TEXT("button"), 
                         "This is a radio button",
                         WS_CHILD | WS_VISIBLE | BS_AUTORADIOBUTTON,
                         70, 90, 160, 30,
                         hwnd, (HMENU) 2, ghInstance, NULL);

           hwndEdit = CreateWindow(TEXT("EDIT"), 
                                   NULL, 
                                   WS_CHILD | WS_VISIBLE | WS_VSCROLL | 
								   ES_LEFT | ES_MULTILINE | ES_AUTOVSCROLL, 
                                   50, 130, 200, 100, 
                                   hwnd, (HMENU) 3, ghInstance, NULL); 
 
		   SendMessage(hwndEdit, WM_SETTEXT, 0, (LPARAM) lpszTrouble); 
 
          return 0 ;
              
     case WM_COMMAND :
		 switch (wParam) {
	//	 case 0:
	//	 case 1:
		 case 2:
		  itoa((int) LOWORD(wParam), buffer, 10);
		  itoa((int) hwndButton[(int) LOWORD(wParam)], bhwnd, 10);
		  itoa((int) lParam, bhwnd2, 10);
		  strcat(buffer, " control was pressed with lParam ");
		  strcat(buffer, bhwnd2);
		  strcat(buffer, " : hwnd ");
		  strcat(buffer, bhwnd);
		  MessageBox(NULL, buffer, "Control pressed", 0);
		 }
		 break;
          
     case WM_DESTROY :
          PostQuitMessage (0) ;
          return 0 ;
     }
     return DefWindowProc (hwnd, message, wParam, lParam) ;
}