testing

    current_net_code = Track->GetNet();

#if 0 && !defined(DEBUG)

#if 0

    Track->Draw( DrawPanel, DC, GR_XOR );

#else

    // just redraw the whole drawing so there are no XOR remnants at track intersections.

    // redraw the area where the track was

    // this rectangle is corrrect

    EDA_Rect    dirty = Track->GetBoundingBox();

    D(printf( "dirty m_Pos=(%d, %d) m_Size=(%d, %d)\n",

             dirty.m_Pos.x, dirty.m_Pos.y, dirty.m_Size.x, dirty.m_Size.y );)

    int zoom = GetZoom();

    wxPoint drwOrig = GetScreen()->m_DrawOrg;

    dirty.m_Pos.x = (dirty.m_Pos.x - drwOrig.x) / zoom;

    dirty.m_Pos.y = (dirty.m_Pos.y - drwOrig.y) / zoom;

    dirty.m_Size.x = (dirty.m_Size.x  - drwOrig.x) / zoom;

    dirty.m_Size.y = (dirty.m_Size.y  - drwOrig.y) / zoom;

    D(printf( "dirty scaled zoom=%d m_Pos=(%d, %d) m_Size=(%d, %d) drwOrig=(%d, %d)\n",

             zoom,

             dirty.m_Pos.x, dirty.m_Pos.y, dirty.m_Size.x, dirty.m_Size.y,

             drwOrig.x, drwOrig.y );)

    // pass wxRect() via EDA_Rect::operator wxRect() overload

    wxRect dirtyR = dirty;

    D(printf( "dirtyR m_Pos=(%d, %d) m_Size=(%d, %d)\n",

             dirtyR.x, dirtyR.y, dirtyR.width, dirtyR.height );)

/*  The calculation for dirtyR is either wrong or the handling of the clipping

    rect in OnPaint() is wrong.  Enable this line instead of the Refresh() below,

    then try deleting a track segment.

    DrawPanel->RefreshRect( dirtyR, TRUE );

*/

    DrawPanel->Refresh( TRUE );

#endif

    SaveItemEfface( Track, 1 );