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ListDictionary Constructor (IComparer)

Creates an empty ListDictionary using the specified comparer.

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

public:
ListDictionary(
	IComparer^ comparer
)

Parameters

comparer
Type: System.Collections::IComparer

The IComparer to use to determine whether two keys are equal.

-or-

nullptr to use the default comparer, which is each key's implementation of Object::Equals.

The comparer determines whether two keys are equal. Every key in a ListDictionary must be unique. The default comparer is the key's implementation of Object::Equals.

The custom comparer enables such scenarios as doing lookups with case-insensitive strings.

This constructor 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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