+ wxRect rect;
+ GetFieldRect(number, rect);
+ wxClientDC dc(this);
+
+ dc.SetBackground( wxBrush(GetBackgroundColour(), wxSOLID) );
+ dc.SetClippingRegion( rect.x+1, rect.y+1, rect.width-1, rect.height-1 );
+ dc.Clear();
+ dc.DestroyClippingRegion();
+
+ DrawFieldText( dc, number );