摘要：/// /// 转换单位（每英寸的毫米值） /// private const double MMPerInch = 25.4; /// /// 每百分之一inch=0.254mm /// private const float mmppi = 0.254f; /// /// 每mm=pipmm百分之一inch /// private const float pipmm = 3.937f; ... 阅读全文