Method: TkPhotoImage#cget

Defined in:
lib/tk/image.rb

#cget(option) ⇒ Object

Returns the current value of the configuration option given by option. Example, display name of the file from which image was created: puts image.cget :file



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# File 'lib/tk/image.rb', line 215

def cget(option)
  unless TkConfigMethod.__IGNORE_UNKNOWN_CONFIGURE_OPTION__
    cget_strict(option)
  else
    begin
      cget_strict(option)
    rescue => e
      if current_configinfo.has_key?(option.to_s)
        # error on known option
        fail e
      else
        # unknown option
        nil
      end
    end
  end
end