>>Hi,
>>
>>In my combobox I face the problem that properties List, ListCount, ListIndex, ListId are not availble ("Expression could not be evaluated") and therefor a commandy
>>

>>For liLstcnt = 1 To This.ListCount
>>

>>results in error "Command is not recognized"
>>
>>I believe this is caused since I do a requery too early, combox is not yet fully instantiated.
>>Any idea how to check that properties are existing?
>
>PEMStatus() lets you check whether a property exists.

Also, with other parameters, whether it's hidden or protected - also possible with some commercial products. I've seen some which keep even .class protected (which then nicely bangs whenever something tries to recurse through objects on the form).