Method: Tk::Iwidgets::Tabnotebook#yscrollbar

Defined in:
lib/tkextlib/iwidgets/tabnotebook.rb

#yscrollbar(bar = nil) ⇒ Object Also known as: scrollbar 



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# File 'lib/tkextlib/iwidgets/tabnotebook.rb', line 144

def yscrollbar(bar=nil)
  if bar
    @scrollbar = bar
    @scrollbar.orient 'vertical'
    self.scrollcommand {|*arg| @scrollbar.set(*arg)}
    @scrollbar.command {|*arg| self.yview(*arg)}
    Tk.update  # avoid scrollbar trouble
  end
  @scrollbar
end