Method: Tk::Text::IndexModMethods#lines

Defined in:
lib/tk/text.rb

#lines(mod) ⇒ Object Also known as: line 



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# File 'lib/tk/text.rb', line 170

def lines(mod)
  fail ArgumentError, 'expect Integer'  unless mod.kind_of?(Integer)
  if mod < 0
    Tk::Text::IndexString.new(String.new(id) << ' ' << mod.to_s << ' lines')
  else
    Tk::Text::IndexString.new(String.new(id) << ' + ' << mod.to_s << ' lines')
  end
end