终于搞定了。给感兴趣的朋友看看//
object appName="KMCAppointmentEventSink";
object appDescription="用于日程安排";
object appActivation=(int)COMAdmin.COMAdminActivationOptions.COMAdminActivationLocal;
object appAccess = (int)COMAdmin.COMAdminAccessChecksLevelOptions.COMAdminAccessChecksApplicationComponentLevel;
object appIdentity="kmstest\\administrator";
object appPassword="1";
//
COMAdminCatalogObject objCatalog=(COMAdmin.COMAdminCatalogObject)Applications.Add();
objCatalog.set_Value("Name",appName);
objCatalog.set_Value("Description",appDescription);
objCatalog.set_Value("Activation",appActivation);
objCatalog.set_Value("ApplicationAccessChecksEnabled",appAccess);
objCatalog.set_Value("Identity",appIdentity);
objCatalog.set_Value("Password",appPassword);
Applications.SaveChanges();