I would look into using variants.

use Win32::OLE::Variant;
my $number = 1;
my $var_number = Variant(VT_R4, $number);
$object->GetData($var_number,etc etc)

[download]

HTH

In reply to Re: Win32::OLE Type for VB's "As Single" by guha
in thread Win32::OLE Type for VB's "As Single" by davemabe

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