Returns a list of all the sheets in a workbook
[C++]
static int WorkbookGetWorksheetNames(
   std::vector<CString>& vecSheetNames,
   const char* name_text = 0,
   bool complete_names = false
);
A reference to a collection of strings that will be cleared and populated with sheet names if the function succeeds.
Name_text is the name of an open workbook. If omitted, the active workbook is used.
Complete_names is a boolean value that controls whether the returned names will be in complete form (i.e. book[sheet]), or in short form (sheet). If omitted, the short form will be used.
Zero if the function has been called successfully; non-zero
            if the function could not be called.
            See Error codes for a list
            of return values.
This a helper function that calls GET.WORKBOOK(2) and extracts
            the resulting array into a vector of strings.
            around  See the Microsoft Excel on-line Help for full details about
            this function.
Header: xlfuncs.h