Article
11/18/2011

DateTime.Compare Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Compares two instances of DateTime and returns an integer that indicates whether the first DateTime instance is earlier than, the same as, or later than the second DateTime instance.

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

Syntax

'Declaration
Public Shared Function Compare ( _
    t1 As DateTime, _
    t2 As DateTime _
) As Integer

public static int Compare(
    DateTime t1,
    DateTime t2
)

Parameters

t1
Type: System.DateTime
The first object to compare.

t2
Type: System.DateTime
The second object to compare.

Return Value

Type: System.Int32
A signed number indicating the relative values of t1 and t2.

Value Type	Condition
Less than zero	t1 is earlier than t2.
Zero	t1 is the same as t2.
Greater than zero	t1 is later than t2.

Remarks

Before comparing DateTime objects, ensure that the objects represent times in the same time zone.

Examples

The following example demonstrates the Compare method.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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