AutoFilter class reference

• bool getRef(int* rowFirst, int* rowLast, int* colFirst, int* colLast)
  Gets the cell range of AutoFilter with header. Returns false if error. Get error info with Book::errorMessage().
• void setRef(int rowFirst, int rowLast, int colFirst, int colLast)
  Sets the cell range of AutoFilter with header.
• FilterColumn column(int colId)
  Returns the AutoFilter column by zero-based index. Creates it if it doesn't exist.
• int columnSize() const
  Returns the number of specified AutoFilter columns which have a filter information.
• FilterColumn columnByIndex(int index)
  Returns the specified AutoFilter column which have a filter information by index.
• bool getSortRange(int* rowFirst, int* rowLast, int* colFirst, int* colLast)
  Gets the whole range of data to sort. Returns false if error. Get error info with Book::errorMessage().
• bool getSort(int* columnIndex, bool* descending)
  Gets the zero-based index of sorted column in AutoFilter and its sort order. Returns false if error. Get error info with Book::errorMessage().
• bool setSort(int columnIndex, bool descending = false)
  Sets the sorted column in AutoFilter by zero-based index and its sort order. Returns false if error. Get error info with Book::errorMessage().
• bool addSort(int columnIndex, bool descending = false)
  Adds the sorted column in AutoFilter by zero-based index and its sort order. Used for multiple level sorting. Returns false if error. Get an error info with the Book::errorMessage().