diff -u orig/MadEdit.cpp mad/MadEdit.cpp
--- src/MadEdit/MadEdit.cpp	2011-06-21 21:42:10.000000000 +0100
+++ src/MadEdit/MadEdit.cpp	2011-06-21 21:52:46.467942943 +0100
@@ -9515,7 +9515,7 @@
         if(InvertRect==NULL)
         {
             wxMemoryDC dc1, dc2;
-            dc.SelectObject(*m_ClientBitmap);
+            dc1.SelectObject(*m_ClientBitmap);
             dc1.SetBrush(*wxTheBrushList->FindOrCreateBrush(*wxWHITE));
             dc1.SetPen(*wxThePenList->FindOrCreatePen(*wxWHITE, 1, wxSOLID));
 
diff -u orig/MadEdit.h mad/MadEdit.h
--- src/MadEdit/MadEdit.h	2011-06-21 21:49:42.671009945 +0100
+++ src/MadEdit/MadEdit.h	2011-06-21 21:50:30.273549412 +0100
@@ -996,4 +996,6 @@
 wxString FormatThousands(const wxString& s);
 bool StrToInt64(wxString str, wxInt64 &i64);
 
+#define FIXINVERT 2
+
 #endif