GetHashCode()

Overrides from MfObject.GetHashCode().

OutputVar := instance.GetHashCode()

GetHashCode()

Gets A hash code for the current MfException or derived class.

Returns

Returns A hash code for the current MfException or derived class.

Throws

Throws MfNullReferenceException if class is a not an instance.

Remarks

A hash code is an alpha-numeric value that is used to insert and identify an object in a hash-based collection such as a Hash table. The GetHashCode() method provides this hash code for hashing algorithms and data structures such as a hash table.

Two objects that are equal return hash codes that are equal. However, the reverse is not true: equal hash codes do not imply object equality, because different (unequal) objects can have identical hash codes. Furthermore, the this Framework does not guarantee the default implementation of the GetHashCode() method, and the value this method returns may differ between Framework versions such as 32-bit and 64-bit platforms. For these reasons, do not use the default implementation of this method as a unique object identifier for hashing purposes.

Caution

A hash code is intended for efficient insertion and lookup in collections that are based on a hash table. A hash code is not a permanent value. For this reason:

• Do not serialize hash code values or store them in databases.
• Do not use the hash code as the key to retrieve an object from a keyed collection.
• Do not test for equality of hash codes to determine whether two objects are equal. (Unequal objects can have identical hash codes.) To test for equality, call the ReferenceEquals() or Equals() method.