1. wxToolBar adjusts the colours properly when the system colours change 2. wxImageList uses light grey as the transparent colour for the bitmaps git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13558 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9143 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775