codetools: fixed example addeventmethod

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42861 4005530d-fff6-0310-9dd1-cebe43e6787f
codetools: fixed example removeemptymethods

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42862 4005530d-fff6-0310-9dd1-cebe43e6787f
lcl: clean up

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42863 4005530d-fff6-0310-9dd1-cebe43e6787f