Reading the source reveals what was learned from MSDN:
http://search.cpan.org/src/JENDA/Win32-Daemon-Simple-0.2.6/Simple.pm

# parameters
use Win32::Registry;

if ($Win32::Registry::VERSION < 0.08 and !defined($Win32::Registry2::V
+ERSION)) {
    die "Please update your Win32::Registry to 0.08 or newer or instal
+l the patch from http://jenda.krynicky.cz/#Win32::Registry2\n\n";
}

my $ServiceKey;
{
    my $paramkey;
    sub ReadParam {
        my ( $param, $default) = @_;
        $ServiceKey = $HKLM->Open('SYSTEM\CurrentControlSet\Services\\
+'.$svcid)
            unless $ServiceKey;
        return $default unless $ServiceKey;
        $paramkey = $ServiceKey->Create('Parameters')
            unless $paramkey;
        my $value = $paramkey->GetValue($param);
        $value = $default unless defined $value;
        return $value;
    }

    sub SaveParam {
        my ( $param, $value) = @_;
        $ServiceKey = $HKLM->Open('SYSTEM\CurrentControlSet\Services\\
+'.$svcid)
            unless $ServiceKey;
        return unless $ServiceKey; # do not save anything if the servi
+ce is not installed
        $paramkey = $ServiceKey->Create('Parameters')
            unless $paramkey;
        die "Can't open/create the Parameters subkey in the service se
+ttings!\n" unless $paramkey; # do not save anything if the service is
+ not installed
        if (!defined $value) {
            $paramkey->DeleteValue($param);
        } elsif ($value =~ /^\d+$/) {
            $paramkey->SetValues($param, REG_DWORD, $value);
        } else{
            $value =~ s/\r?\n/\r\n/g;
            $paramkey->SetValues($param, REG_SZ, $value);
        }
    }
}
[download]

It would make sense for those two functions to end up in Win32::Service (with appropriate changes of course).

---

---

Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!

Titles consisting of a single word are discouraged, and in most cases are disallowed outright.

Read Where should I post X? if you're not absolutely sure you're posting in the right place.

Please read these before you post! —

• How do I compose an effective node title?
• How do I post a question effectively?
• Markup in the Monastery

Posts may use any of the Perl Monks Approved HTML tags:

a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr

You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)

	For:		Use:
	&		&
	<		&lt;
	>		&gt;
	[		&#91;
	]		&#93;

Link using PerlMonks shortcuts! What shortcuts can I use for linking?

See Writeup Formatting Tips and other pages linked from there for more info.