The sample allowed to test the behaviour with all wxICON_XXX including wxICON_NONE but not without any icon styles at all. Do allow it now. Also use symbolic names for the radiobox indices for clarity. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63681 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775