#define MENU_OPEN 11
#define MENU_SAVE 12
#define MENU_EXIT 13

#define OPTION_BACKGROUND 21

#define ABOUT 3
#define ABOUT_OK 31
  

  
LRESULT CALLBACK WndProc(HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam)
{
	switch(Msg)
	{
		case WM_CREATE:
			{
				HMENU Menu,SubMenu;
		
				Menu = CreateMenu();

				SubMenu = CreatePopupMenu();
				AppendMenu(Menu,MF_STRING|MF_POPUP,(UINT) SubMenu,"&File");
				AppendMenu(SubMenu,MF_STRING,MENU_OPEN,"O&pen");
				AppendMenu(SubMenu,MF_STRING,MENU_SAVE,"S&ave");
				AppendMenu(SubMenu,MF_STRING,MENU_EXIT,"E&xit");
			
				SubMenu = CreatePopupMenu();
				AppendMenu(Menu,MF_STRING|MF_POPUP,(UINT) SubMenu,"&Options");
				AppendMenu(SubMenu,MF_STRING,OPTION_BACKGROUND,"Background");

				SubMenu = CreatePopupMenu();
				AppendMenu(Menu,MF_STRING|MF_POPUP,(UINT) SubMenu,"&About");

				SetMenu(hWnd,Menu);
			}
		break;

		case WM_COMMAND:
			{
				switch(LOWORD(wParam))
				{
					case MENU_EXIT:
						if(MessageBox(NULL,"Are you sure you want to leave ?","Closing ...",MB_YESNO) == IDYES)
							DestroyWindow(hWnd);
					break;

					case ABOUT:
						{
							//HELP !

				}
			}
		break;

		case WM_CLOSE:
			if(MessageBox(NULL,"Are you sure you want to leave ?","Closing ...",MB_YESNO) == IDYES)
				DestroyWindow(hWnd);
		break;

		case WM_DESTROY:
			PostQuitMessage(0);
		break;

		default :
		    return DefWindowProc(hWnd,Msg,wParam,lParam);
		break;
	}

	return 0;
}
   

      
bool CALLBACK DlgProc(HWDN hWnd,UINT Msg,WPARAM wParam,LPARAM lParam)
{
	switch(Msg)
	{
		case WM_INITDIALOG:
			return true;
		break;

		case WM_COMMAND :
			{
				switch(LOWORD(WPARAM))
				{
					case ABOUT_OK:
						EndDialog(hWnd,ABOUT_OK);
					break;
				}
			}

		default :
			return false;
		break;
	}

	return true;
}