Inserts a new column of cells before the specified column, using the given cells.
- macOS 10.0+
The column at which to insert the new cells.
column is greater than the number of columns in the receiver, enough columns are created to expand the receiver to be
column columns wide.
new should either be empty or contain a sufficient number of cells to fill each new column. If
nil or an array with no elements, the call is equivalent to calling
insert. Extra cells are ignored, unless the matrix is empty. In that case, a matrix is created with one column and enough rows for all the elements of
This method redraws the receiver. Your code may need to send
size after sending this method to resize the receiver to fit the newly added cells.