[This is preliminary documentation and subject to change.]
The following command line syntax causes WebTV for Windows to display the program guide. If WebTV for Windows is not currently running this command line also starts WebTV for Windows.
<path>Tvx.exe -g
Where
HKLM\Software\Microsoft\TV Services
If you are running the command line from the WebTV for Windows directory, you do not need to specify the path.
The following line causes WebTV for Windows to display the Program Guide.
C:\Program Files\TV Viewer\Tvx.exe -g