Add wxStream bool operator !(). Made wxTextStream safe for conversion from/to Mac/DOS/Unix Added wxFrame::Iconize() Applied patch for stippled brushes. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3117 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775