MessageArea Properties
● firstVisibleMessage
First visible message.

Note that this property is not visible to the API, which means it cannot be changed by application developers.
● historyVisible
Visibility of the complete message log.
This property can be personalized both by a user and by an administrator.
This property can be assigned the value, false, in the personalization function.

Presently, this property can only be used in the program code.
● maxVisibleMessages
Maximum number of messages that can be displayed without a scrollbar. A negative or zero value means “unlimited” and all messages appear without a scrollbar.

Presently, this property can only be used in the program code.