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From: dillon@CORY.BERKELEY.EDU.UUCP
Newsgroups: comp.sys.amiga
Subject: Re: Assigned names and system requesters
Message-ID: <8702062026.AA15198@cory.Berkeley.EDU>
Date: Fri, 6-Feb-87 15:26:32 EST
Article-I.D.: cory.8702062026.AA15198
Posted: Fri Feb  6 15:26:32 1987
Date-Received: Sun, 8-Feb-87 01:43:54 EST
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: University of California at Berkeley
Lines: 38

>[]
>	Is there any way to turn off the system requester that is
>displayed when one attempts to access a 'disk' that is not mounted?
>I have a helpfile displayer.  By default, the help files it should
>display are located in the current directory.  However, I thought it
>would be 'user friendly' if the user could ASSIGN HELP: my/help/dir
>so that he/she could locate the help files anywhere.  Unfortunately,
>when I test to see if HELP: has been defined, if it *hasn't* been
>defined, an 'Insert HELP disk' system requester appears.  This
>is not good...

	Very easily.  Simply set the pr_WindowPtr in your Process structure
to (APTR)-1.  This causes DOS to return an error code to you rather than
put up a requester.  Be sure to restore the pr_WindowPtr to it's original
state before exiting. (If you have MY.LIB, this would corrospond to the
mountrequest(bool) call.).  Here is a code fragment:

--------------------------

extern struct Process *FindTask();

struct Process *proc;
APTR save_window_ptr;

proc = FindTask(0L);
save_window_ptr = proc->pr_WindowPtr;
proc->pr_WindowPtr = -1;

	( do stuff here )

proc->pr_WindowPtr = save_window_ptr;

--------------------------
Note: By this method, if HELP: were assigned to a disk which is not
currently mounted, it would be the same as if HELP: were not assigned
at all.

					-Matt