工具类,MmToPixel,PixelToMm,NewImage(指定毫米DPI的图片,XmlSerializer,XmlDeserialize 取圆角GetRegion 生成多级目录CreateDir-Tools, MmToPixel, PixelToMm, NewImage (designated DPI-mm images, XmlSerializer, XmlDeserialize fillet GetRegion generated from multi-level direc