SCROLLING LCD TEXT

void UpdateLCDDisplay() {
  int iLenofLargeText = strlen (LargeText);
  if (iCursor==(iLenofLargeText - 1))
  {
    iCursor = 0;
  }
  lcd.setCursor (0, iLineNumber);
  if (iCursor < iLenofLargeText -16) {
    for (int iChar = iCursor; iChar < iCursor + 16; iChar++)
    {
      lcd.print(LargeText[iChar]);
    }
  }
  else
  {
    for (int iChar = iCursor; iChar < (iLenofLargeText - 1); iChar++)
    {
      lcd.print (LargeText[iChar]);
    }
    for (int iChar = 0; iChar <= 16 - (iLenofLargeText - iCursor); iChar++)
    {
      lcd.print (LargeText[iChar]);
    }
  }
  iCursor++;
}