$ perl -MWx -le"print for Wx::Window->new->ClientToScreenXY( 0,0 )" 0 0 $ perl -MWx -le"print for Wx::Window->new->ClientToScreenPoint( [0,0] )" Wx::Point=SCALAR(0x3e8b64) $ perl -MWx -le"print for Wx::Window->new->ClientToScreenPoint( Wx::Point->new( 0,0 ) )" Wx::Point=SCALAR(0x9cf5c4)