PropertyHandle :: IsTransient - Is property transient
Attributes as well as references might be defined as transient properties. Transient properties contain information, which is available during the life time of the process, only.
For transient references, the result of the function depends on the property handle currently set in the transient property ( SetTransientProperty ()). To check, whether a property handle defines a transient property handle use IsTransientReference ().
Return value: Return value ( logical )
The function returns YES when the question was answered positively. Otherwise it returns NO .