undisable many warnings for VC++ in defs.h and fixed several thousands of them in the sources

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22222 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dc.h

@@ -790,6 +790,8 @@ private:
     wxDC& m_dc;
 
     wxColour m_colFgOld;
+
+    DECLARE_NO_COPY_CLASS(wxDCTextColourChanger)
 };
 
 // ----------------------------------------------------------------------------
@@ -809,6 +811,8 @@ public:
 
 private:
     wxDC& m_dc;
+
+    DECLARE_NO_COPY_CLASS(wxDCClipper)
 };
 
 #endif