OneClickHelp - is not a console application, however it can be started from a command line. A format of a command:

“Full Path\OneClickHelp.exe” /go /p:“FullPathProjectFile”

For example:

D:\NETProjects\1ch\1ch\bin\OneClickhelp.exe /go /p:» D:\NETProjects\1ch\1ch\1ch-ru.1ch»

It can be very useful for automation of release process of the appendix. You compile the appendix, test it and build the Help which also can be tested.