void method Handle was hiding property Handle from base class Control

Rename method to fix rather than using new to hide it

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code@9820 5227b50d-9349-4574-b055-4b0a7525e11c
Reduce multiple type conversions

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code@9821 5227b50d-9349-4574-b055-4b0a7525e11c