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Nullable.Compare<T> Method

Compares the relative values of two Nullable<T> objects.

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

[ComVisibleAttribute(true)]
public static int Compare<T>(
	Nullable<T> n1,
	Nullable<T> n2
)
where T : struct

Type Parameters

T

The underlying value type of the n1 and n2 parameters.

Parameters

n1
Type: System.Nullable<T>

A Nullable<T> object.

n2
Type: System.Nullable<T>

A Nullable<T> object.

Return Value

Type: System.Int32
An integer that indicates the relative values of the n1 and n2 parameters.

Return Value

Description

Less than zero

The HasValue property for n1 is false, and the HasValue property for n2 is true.

-or-

The HasValue properties for n1 and n2 are true, and the value of the Value property for n1 is less than the value of the Value property for n2.

Zero

The HasValue properties for n1 and n2 are false.

-or-

The HasValue properties for n1 and n2 are true, and the value of the Value property for n1 is equal to the value of the Value property for n2.

Greater than zero

The HasValue property for n1 is true, and the HasValue property for n2 is false.

-or-

The HasValue properties for n1 and n2 are true, and the value of the Value property for n1 is greater than the value of the Value property for n2.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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