// Declare a BarTender application variable
BarTender.Application btApp;
// Create a new instance of BarTender
btApp = new BarTender.Application();
// Set the BarTender application visible
btApp.Visible = true;
//Set the license server port
btApp.LicenseServer.Port = 5160;
//Set the alternate license server port
btApp.LicenseServer.AlternatePort = 6000;
//End the BarTender process
btApp.Quit(BarTender.BtSaveOptions.btDoNotSaveChanges);