PropertyHandle :: operator-- - Position cursor on previous instance
The decrement operation performed depends on the type of the operand.
1. Numerical data
The operator decrements the value by 1.
2. Collections
The operation tries to locate the previous instance in the collection. If no instance is selected it locates the last instance n the collection.
The result is returned in the operand.
Reference to the property handle that contains the result of an operation (usually the calling property handle).