powerCLI move-vm commandlet

Curious as to whether or not i can move just the Datastore and only the datastore with the following:

Move-VM -VM$VMobj-Datastore$destDatastore-DiskStorageFormat'Thick'

Anyone shine some light on this? The documentation does give an example with the -destination parameter but no documentation on how to tell it to explicitely move one aspect of the VM or if the commandlet works that way.

Also, the THICK parameter doesnt seem to work at all as i have moved the VMs to and from datastores and they are still Thin.

Thanks!