HELLCTRL.H

#ifdef WIN32 
 
#ifdef UNICODE 
    #define FROM_OLE_STRING(str) str 
    #define TO_OLE_STRING(str) str  
#else 
    #define FROM_OLE_STRING(str) ConvertToAnsi(str) 
    char* ConvertToAnsi(OLECHAR FAR* szW);   
    #define TO_OLE_STRING(str) ConvertToUnicode(str) 
    OLECHAR* ConvertToUnicode(char FAR* szA);    
    // Maximum length of string that can be converted between Ansi & Unicode 
    #define STRCONVERT_MAXLEN 500          
#endif 
 
#else  // WIN16 
  #define APIENTRY far pascal   
  #define TCHAR char 
  #define TEXT(sz) sz  
  #define FROM_OLE_STRING(str) str   
  #define TO_OLE_STRING(str) str  
  #define LPTSTR LPSTR    
  #define LPCTSTR LPCSTR 
   
  // Windows NT defines the following in windowsx.h 
  #define GET_WM_COMMAND_ID(w,l) (w) 
  #define GET_WM_COMMAND_CMD(w,l) HIWORD(l) 
  #define GET_WM_COMMAND_HWND(w,l) LOWORD(l) 
#endif 
 
// Menu-item IDs 
#define IDM_CREATEHELLO  300 
#define IDM_SETVISIBLE   301   
#define IDM_SETINVISIBLE   302 
#define IDM_GETHELLOMESSAGE   303 
#define IDM_SAYHELLO  304 
#define IDM_RELEASEHELLO 305     
 
// MAX len of string table entries 
#define STR_LEN   100 
 
// String table constants 
#define IDS_PROGNAME                   1 
#define IDS_RESULT                     2 
#define IDS_ERROR                      3 
 
// Function prototypes 
int PASCAL WinMain (HINSTANCE, HINSTANCE, LPSTR, int); 
BOOL InitApplication (HINSTANCE); 
BOOL InitInstance (HINSTANCE, int); 
void DisplayError(IHello FAR* phello); 
#ifdef WIN16 
LRESULT __export CALLBACK MainWndProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam); 
#else 
LRESULT CALLBACK MainWndProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam); 
#endif