Restrictions

If the following restrictions are not satisfied, the API will fail. The return code indicates the reason for the failure.

The host session specified in the argument cShortSessionID should not be in PDT mode.
The host session should not be printing when the API is invoked.
The File → Page Setup dialog should not be in use.

Some members in the PAGEINFO structure might be valid or supported only for specific session types. If a restriction is not specified, then that member is valid or supported for the following session types:

3270 display
3270 printer
5250 display
ASCII VT

5250 printer sessions are not supported.