add method
Expands Worksheet by adding new rows/columns to the end of the sheet.
rows
- optional (defaults to 0), number of rows to add
columns
- optional (defaults to 0), number of columns to add
Returns Future true
if any rows/columns were added.
Throws GSheetsException.
Implementation
Future<bool> add({int rows = 0, int columns = 0}) async {
except(rows < 0, 'invalid rows ($rows)');
except(columns < 0, 'invalid column ($columns)');
return _expand(_rowCount + rows, _columnCount + columns);
}