Appending a line of text in a Text_Box in ruby shoes -

How can you add a line of text in a row of text in ruby ​​boots? I can not see any way to do this At present I am writing in a text file and opening that text file to get new attachment content.

Here are two ways, initially another

  shoes Next one: width = & gt; 300 ,: height = & gt; 450 do @text = edit_box: width = & gt; 1.0 ,: height = & gt; 400,: text = & gt; 'Test' @text.txt = "test2" and