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Hashtable.EqualityComparer Property

Gets the IEqualityComparer to use for the Hashtable.

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

member EqualityComparer : IEqualityComparer with get

ExceptionCondition
ArgumentException

The property is set to a value, but the hash table was created using an IHashCodeProvider and an IComparer.

The IEqualityComparer includes both the comparer and the hash code provider. If an IEqualityComparer is used in the Hashtable constructor, the objects used as keys in the Hashtable are not required to override the Object.GetHashCode and Object.Equals methods.

Retrieving the value of this property is an O(1) operation.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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