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EqualityComparer<T>::GetHashCode Method (T)
.NET Framework (current version)
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. |
Notes to Inheritors:
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.
Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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