PropertyHandle :: CopyInstance - Copy Instance
Copy data to instance area. If an instance is selected the function will cancel the instance.
Called internally, only.
Return value:  Success ( logical  )
Implementation details
logical 
PropertyHandle  :: CopyInstance ( ::Instance instance )
- instance
 - Instance area
Instances do have the type of the referenced property handle (collection type). The instance contains a pointer to a properly structured instance area. You can use the !-operator or the GetData() function to check whether the instance refers to data or not. 

