I agree, if MS supply an AddProperty, they should also supply RemoveProperty.

>Thanks.
>Actually it isnt a temprory proterty.
>But i have another problem.
>And i suppose that thes property is to cause this problem.
>I have found the problem yet.
>And im dont need to remove thes property.
>But i thing it was good when a function like removeproperty() exist.
>While i can remove propertys in the form editor manually.
>Exuse me for bed english.
>Thanks.Again.