--- a/PLCOpenEditor.py	Thu Sep 22 10:56:52 2011 +0200
+++ b/PLCOpenEditor.py	Thu Sep 22 15:33:31 2011 +0200
@@ -4354,7 +4354,7 @@
         area_width = dw - self.Margins[1].x * Xscale - margin_left
         area_height = dh - self.Margins[1].y * Yscale - margin_top
         
-        dc.SetPen(wx.BLACK_PEN)
+        dc.SetPen(MiterPen(wx.BLACK))
         dc.SetBrush(wx.TRANSPARENT_BRUSH)    
         dc.DrawRectangle(margin_left, margin_top, area_width, area_height)