Method: Tk::Vu::Dial#constrain

Defined in:
lib/tkextlib/vu/dial.rb

#constrain(val = None) ⇒ Object


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# File 'lib/tkextlib/vu/dial.rb', line 42

def constrain(val = None)
  num_or_str(tk_call(@path, 'constrain', val))
end