Contains()
OutputVar := instance.Contains(key)
Determines whether the MfHashTable contains a specific element.
key
The Key to locate in the MfHashTable
Can be var or any object that is derived from MfObject.
Returns true if the MfHashTable contains the specified key otherwise, false.
Throws MfArgumentException if key is null.
Throws MfNotSupportedException if key is an object and does not derive from MfObject
Functionally identical to ContainsKey()