Did you try my guess?

I just now got the chance (rechargeable mouse batteries choose to die at very inconvenient times). Both forms work, and I made Google Earth move the camera to the new location, so I'm good to go. I haven't worked with Perl much yet, so I'll have to study your example to make sure I understand why it worked and my other form didn't. Many thanks for the help.

Either of these works to set Range: 
$cameraInfo->{Range}= 500;
$cameraInfo->LetProperty( Range => 500);

[download]

In reply to Re^6: Controlling Google Earth via COM interface by jjorsett
in thread Controlling Google Earth via COM interface by jjorsett

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