Sets the arguments to the current column label alignment values.
-Horizontal alignment will be one of wxLEFT, wxCENTRE or wxRIGHT. \\
-Vertical alignment will be one of wxTOP, wxCENTRE or wxBOTTOM.
+Horizontal alignment will be one of wxALIGN\_LEFT, wxALIGN\_CENTRE or wxALIGN\_RIGHT.\\
+Vertical alignment will be one of wxALIGN\_TOP, wxALIGN\_CENTRE or wxALIGN\_BOTTOM.
\perlnote{This method takes no parameters and
returns a 2-element list {\tt ( horiz, vert )}.}