没有内置函数。但是您可以检查每个程序集版本: try { var cr13_installed = System.Reflection.Assembly.Load( "CrystalDecisions.CrystalReports.Engine, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" ); } catch (System.IO.FileNotFoundException) { // not installed }