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Comparer<T>.Compare Method

Silverlight

When overridden in a derived class, performs a comparison of two objects of the same type and returns a value indicating whether one object is less than, equal to, or greater than the other.

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

Syntax

public abstract int Compare(
	T x,
	T y
)

Parameters

x: Type: T
The first object to compare.

y: Type: T
The second object to compare.

Return Value

Type: System.Int32
A signed integer that indicates the relative values of x and y, as shown in the following table.

Value	Condition
Less than zero	x is less than y.
Zero	x equals y.
Greater than zero	x is greater than y.

Implements

IComparer<T>.Compare(T, T)

Exceptions

Exception	Condition
ArgumentException	Type T does not implement either the System.IComparable<T> generic interface or the System.IComparable interface.

Remarks

Implement this method to provide a customized sort order comparison for type T.

Notes to Implementers

Comparing null with any reference type is allowed and does not generate an exception. A null reference is considered to be less than any reference that is not null.

For information on culture-specific comparisons, see the System.Globalization namespace.

Version Information