+public:
+ /// sets nrows and ncols to 1
+ MathGridInset();
+ /// constructor from columns description, creates one row
+ MathGridInset(char valign, std::string const & halign);
+ /// Note: columns first!
+ MathGridInset(col_type m, row_type n);
+ ///
+ MathGridInset(col_type m, row_type n, char valign, std::string const & halign);
+ /// Ensures that the dialog is closed.
+ ~MathGridInset();