EqualityComparer<T>.GetHashCode Method (T)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
When overridden in a derived class, serves as a hash function for the specified object for hashing algorithms and data structures, such as a hash table.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- obj
- Type: T
The object for which to get a hash code.
Implements
IEqualityComparer<T>.GetHashCode(T)| Exception | Condition |
|---|---|
| ArgumentNullException | The type of obj is a reference type and obj is null. |
Implementations are required to ensure that if the Equals method returns true for two objects x and y, then the value returned by the GetHashCode method for x must equal the value returned for y.