Get only selected text from a textbox in a gui

What I am trying to do to allow the user of a gui to select a word in a textbox phrase and replace only the selected word with a word from a listbox by double clicking the word in the listbox.

Answer 1

[Walter Roberson]

You need to work at the Java level to do that.

If I recall correctly, Yair has documented the (unsupported) methods that you would need to use, in his comprehensive http://undocumentedmatlab.com