wxToolBar API changes; now frames manage their toolbar & statusbar properly;

client area position is used in SetSize; changes for BC++ & VC++ 1.5;
wxWindow::GetUpdateRegion added; removed wxUpdateIterator; some missing functions
added to process.cpp; bad navigation key event cast fixed; MDI and toolbar samples
updated; new wxMSW wxRegion constructor (WXHRGN)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@376 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/config.h

@@ -161,7 +161,14 @@ public:
   void SetExpandEnvVars(bool bDoIt = TRUE) { m_bExpandEnvVars = bDoIt; }
     // does expansion only if needed
   wxString ExpandEnvVars(const wxString& str) const
-    { return IsExpandingEnvVars() ? wxExpandEnvVars(str) : str; }
+    {
+        wxString tmp; // Required for BC++
+        if (IsExpandingEnvVars())
+            tmp = wxExpandEnvVars(str);
+        else
+            tmp = str;
+        return tmp;
+    }
 
 protected:
   static bool IsImmutable(const char *szKey)