added demo of removing/adding group objects to FloatCanvas


git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@73540 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Add version check for MSVC 10

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@73541 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Add builders for Windows x64

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@73542 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775