'Queries or sets the size of the row given by
INDEX. INDEX may be any non-negative
integer that gives the position of a given row .
INDEX can also be the string "default"; in this case, this command
queries or sets the default size of all rows.
When no option-value pair is given, this command returns a list con-
taining the current size setting of the given row . When option-value
pairs are given, the corresponding options of the size setting of the
given row are changed. Options may be one of the follwing:
pad0 pixels
Specifies the paddings to the top of a row.
pad1 pixels
Specifies the paddings to the bottom of a row.
size val
Specifies the height of a row.  Val may be:
"auto" -- the height of the row is set to the
height of the highest cell in the row;
a valid Tk screen distance unit;
or a real number following by the word chars
(e.g. 3.4chars) that sets the height of the row to the
given number of characters.'

def size_row(self, index, **kw):

    return self.tk.split(self.tk.call(self, 'size', 'row', index, *self._options({}, kw)))
