void AddGuigeLine(GuideLineInfo info)
 {
     if (info is ZSumbolInfo)
     {
         AddZSumbolElement(info as ZSumbolInfo);
     }
     else
     {
         AddGuigeLine(info.Location(), info.Width, info.Height);
     }
 }
 private void AddGuigeLine(GuideLineInfo info, Point mediaOffset)
 {
     AddGuigeLine(info.Location(), info.Width, info.Height, mediaOffset);
 }