What does the "True" parameter for running an executable from a script mean?

I am fairly new to TestComplete (about 3-4 months) and I've noticed that when I record scripts where I am running an executable, it will create a line like

TestedApps.ProgramName.Run(1, True)

I firgured out that the "1" was for the instance of the program, so you can run more than one instance.

I haven't been able to find out what the "True" denotes.

Can anyone tell me what this is?

Thanks in advance.