C / C++ / MFC

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown

std::cin >> cYourChar;
switch( cYourChar )
{
case '0': { /* code */ break; } // a 0 is entered
case '1': { /* code */ break; } // a 1 is entered
case '2': { /* code */ break; } // ...
case '3': { /* code */ break; }
case '4': { /* code */ break; }
case '5': { /* code */ break; }
case '6': { /* code */ break; }
case '7': { /* code */ break; }
case '8': { /* code */ break; }
case '9': { /* code */ break; }
default:
 // other character
}

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

void BstrArrayFromWcharArray(VARIANT& var, WCHAR** pStrings, int size)
{
   var.vt = VT_ARRAY | VT_BSTR;
   var.parray = SafeArrayCreateVector(VT_BSTR, 0, size);
 
   for (long ix = 0; ix < size; ix++)
      SafeArrayPutElement( var.parray, &ix, ::SysAllocString(pStrings[ix]) );
}
 
WCHAR* pClientFields[] = 
{
   L"CLIENT_RECD",
   L"CLIENT_FIRST",
   L"CLIENT_LAST",
   L"CLIENT_ADDRESS",
   L"CLIENT_CITY",
   L"CLIENT_STATE",
   L"CLIENT_ZIP",
   L"CLIENT_AREA",
   L"CLIENT_PHONE",
   L"CLIENT_BUSINESS",
   L"CLIENT_EMAIL"
};
 
_variant_t ClientFields;
 
_variant_t* GetClientFields()
{
   if (ClientFields.vt == VT_EMPTY)
   {
      UINT size = sizeof(pClientFields)/sizeof(*pClientFields);
      BstrArrayFromWcharArray(ClientFields, pClientFields, size);
   }
 
   return &ClientFields;
}

void ShowBstrArray(const VARIANT var)
{
   if (var.vt != (VT_ARRAY | VT_BSTR))
      return;
 
   SAFEARRAY* psa = var.parray;
 
   for (long i = 0; i < (long)psa->rgsabound[0].cElements; i++)
   {
      BSTR bstr;
      SafeArrayGetElement(psa, &i, &bstr);
      CString s = bstr;
      AfxMessageBox(s);
   }
}
 
void Test()
{
   _variant_t* pFields = GetClientFields();
 
   ShowBstrArray(*pFields);
}

void BstrArrayFromWcharArray2(VARIANT& var, WCHAR** pStrings, UINT size)
{
   var.vt = VT_ARRAY | VT_BSTR;
   var.parray = SafeArrayCreateVector(VT_BSTR, 0, size);
 
   BSTR HUGEP* pbstr = NULL;
   if (FAILED(SafeArrayAccessData(var.parray, (void HUGEP**)&pbstr)))
      return;
 
   for (UINT ix = 0; ix < size; ix++)
      pbstr[ix] = ::SysAllocString(pStrings[ix]);
 
   SafeArrayUnaccessData(var.parray);
}
 
void ShowBstrArray2(const VARIANT var)
{
   if (var.vt != (VT_ARRAY | VT_BSTR))
      return;
 
   SAFEARRAY* psa = var.parray;
 
   BSTR HUGEP* pbstr = NULL;
   if (FAILED(SafeArrayAccessData(psa, (void HUGEP**)&pbstr)))
      return;
 
   for (UINT i = 0; i < psa->rgsabound[0].cElements; i++)
   {
      CString s = pbstr[i];
      AfxMessageBox(s);
   }
 
   SafeArrayUnaccessData(psa);
}

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown