we can't add virtual functions because of binary compatibility considerations, we can't make controls intelligent enough to know when they need themed borders. So in 2.8 we have to add wxBORDER_THEME explicitly where necessary. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@47930 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775