In TreeTableView we were used to set mnemonics via "ColumnMnemonicCharTTV" property. It was not the bast approach
(because of issue #109750), but we need some way to accomplish this when using Outline.
Adding '&' to display name of columns does not work as can be seen from the attachment.
Created attachment 72604 [details]
Use of ampersands.
reassigning to new component owner
fixed in core-main/rev/4ada334811b8. Since this fix you can easily use column names with ampersands. A ampersand will be
cut from column name in table but will be used in the columns selector.
Integrated into 'main-golden', will be available in build *200812180201* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)
User: Jiri Rechtacek <email@example.com>
Log: #151289: Inability to set mnemonics to column names in Outline view