GetHash Method

Hashtable.GetHash Method (Object)

 

Returns the hash code for the specified key.

Namespace:   System.Collections
Assembly:  mscorlib (in mscorlib.dll)

Protected Overridable Function GetHash (
	key As Object
) As Integer

Parameters

key
Type: System.Object

The Object for which a hash code is to be returned.

Return Value

Type: System.Int32

The hash code for key.

Exception Condition
NullReferenceException

key is null.

If the hash table was created with a specific IHashCodeProvider implementation, this method uses that hash code provider; otherwise, it uses the Object.GetHashCode implementation of key.

This method is an O(1) operation.

Universal Windows Platform
Available since 10
.NET Framework
Available since 1.1
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