Path: csiph.com!weretis.net!feeder6.news.weretis.net!news.misty.com!border2.nntp.dca1.giganews.com!nntp.giganews.com!buffer2.nntp.dca1.giganews.com!buffer1.nntp.dca1.giganews.com!nntp.brightview.co.uk!news.brightview.co.uk.POSTED!not-for-mail NNTP-Posting-Date: Tue, 31 May 2022 10:45:05 -0500 From: News Subject: Re: Reading the dimensions of a sprite or JPEG on disk Newsgroups: comp.sys.acorn.programmer Date: Tue, 31 May 2022 16:28:13 +0100 Message-ID: <59f145bf22chrisjohnson@spamcop.net> References: <59f13d9c35Paul@sprie.nl> User-Agent: Pluto/3.18 (RISC OS/5.29) NewsHound/v1.53-32 RC1 Organization: None Lines: 11 X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-nd45idAM0tu98oCqZyA2L4haZrX6qIow/JWyNHGR7ejfag0JjcKTWiQ9wfRYfYVjGq6r44u0IFXbZSL!+xqplHR2m64VKc2UJhFr3qYtSkUX2A8H4cG18YGqyV0cYQyaBt4mYSiRf7SaT5BCQ81VYoWmQmed!1EFq X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 X-Original-Bytes: 1319 Xref: csiph.com comp.sys.acorn.programmer:6379 Paul I am a bit confused as to how you are doing this. Are you in or out of the desktop? You say in your early post that you drag a file to your window. To me this suggests you are in the desktop. However, it looks from the documentation I looked at that the function FNChangeFSI is used from the command line. I am not sure whether it can be used from a wimp program. -- Chris Johnson