Returns the names of the specified open workbooks
static int DocumentsW( std::vector<CStringW>& documents, short int type_num = 1, LPCWSTR match_text = 0 );
A vector of strings which will be populated with the list of names.
Type_num is a number specifying whether to include add-in workbooks in the array of workbooks.
Match_text specifies the workbooks whose names you want returned and can include wildcard characters.
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.
See the Microsoft Excel on-line Help for full details about this function.