void ShowGBBadPosition() { if (bl.Count < 2) { return; } List <PixInfor> pl = new List <PixInfor>(); if (JBBadPixList.Count > 3000) { pl = JBBadPixList.GetRange(0, 3000); } else { pl = JBBadPixList; } if (BadPixList != null) { dg.DrawPixPosition(pl, bl[0].PixelWidth, bl[0].PixelHeight); } }