Assembly ass=Assembly.LoadFrom("ReflectionStudy.exe");
            Type t = ass.GetType("ReflectionStudy.Form1");
            object obj = Activator.CreateInstance(t);
多参数初始化

                Assembly assembly = Assembly.LoadFrom("GUI.exe");
                Type type = assembly.GetType("GUI.V4A_TP_DataExchange.UploadDataUnitClient_" + cmbUploadDataUnits.SelectedItem.ToString());
                UploadDataUnitClient[] UploadDataUnitClientSingle=new UploadDataUnitClient[1];
                Object[] objPara = new Object[] { _sqlConnection};
                Object obj = Activator.CreateInstance(type,objPara);

                UploadDataUnitClientSingle[0]= (UploadDataUnitClient)obj;
                _DataExchangeBase.UploadDataUnitClientArray = UploadDataUnitClientSingle;