# File rbSnack/tkSnack.rb, line 406
    def cget(option=nil, &op_block) 
      return Snack::exeTkCmd([@name, 'cget', "-"+option],nil) if option.type==String
      options=SnOp::makeOps(nil, &op_block)
      Snack::exeTkCmd([@name, 'cget'], options)
    end