Usually only the number of columns in the flex grid sizer needs to be
specified using @a cols argument. The number of rows will be deduced
automatically depending on the number of the elements added to the
- sizer. If the number of @a rows is explicitly specified (and not zero),
- the sizer will check that it no more than @code cols*rows @endcode
- elements are added to it.
+ sizer.
+
+ If a constructor form with @a rows parameter is used (and the value of
+ @a rows argument is not zero, meaning "unspecified") the sizer will
+ check that no more than @c cols*rows elements are added to it, i.e.
+ that no more than the given number of @a rows is used. Adding less than
+ maximally allowed number of items is not an error however.
The @a gap (or @a vgap and @a hgap, which correspond to the height and
width of the wxSize object) argument defines the size of the padding