On Mon, 04 Feb 2008, Michael Ellery wrote:
> Given some object and a property:
>
> my $obj = new Win32::OLE("SOME.class");
> my $val = $obj->{SomeProperty};
>
> ...is there some way to determine the VT type of $val (or of
> SomeProperty, equivalently). I often run into strange problems where I
> expect a 32 bit negative value from some property, but when I simply
> print it, perl shows it as a large positive value. It is bit
> equivalent to the expected negative value, but somehow not being
> interpreted with the corrected sign-ed-ness. The first thing I would
> like to check is the VT type that Win32::OLE thought it got -- then
> I'll see if I agree with how Win32::OLE is converting to perl scalars
> based on the VT type.
I haven't tested this, but you should be able to do something like this:
my $prop = Win32::OLE::Variant->new();
$obj->Dispatch('SomeProperty', $prop);
print "V_VT(prop)=%d\n, $prop->Type);
Cheers,
-Jan
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