Yes, ALEN() works on properties as well as long as it's an array.
Is the property hidden or private?
What is the size of array at the time of error?

>
>I've got a strange problem. I've got an object 'oTask' that has an array property 'aFiles'. the following code returns an error
>

nCount = ALEN(oTask.aFiles,1)

>Returns an error "function argument type or count is invalid"
>While checking the value of
>

oTask.aFiles[1,1]

>Returns the expected value.
>
>I thought that ALEN() works on array properties as well as normal arrays variables. What am I missing here?
>
>Walter,