1. added wxStringTokenize

2. some multiline wxTextCtrl code


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/wxUNIVERSAL@8534 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/univ/textctrl.h

@@ -294,12 +294,15 @@ protected:
     void OnSize(wxSizeEvent& event);
 
 private:
-    // the value (may be only part of it for the multiline controls)
-    wxString m_value;
-
     // the initially specified control size
     wxSize m_sizeInitial;
 
+    // the entire control (only used for single line controls)
+    wxString m_value;
+
+    // the lines of text (only used for multiline controls)
+    wxArrayString m_lines;
+
     // current position
     long m_curPos,
          m_curLine,