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Hashtable.GetHash Method

Returns the hash code for the specified key.

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

protected virtual int GetHash(
	Object key
)

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.

ExceptionCondition
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.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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