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Version.CompareTo Method (Object)

Compares the current Version object to a specified object and returns an indication of their relative values.

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

public int CompareTo(
	Object version
)

Parameters

version
Type: System.Object
An object to compare, or null.

Return Value

Type: System.Int32

Return Value

Description

Less than zero

The current Version object is a version before version.

Zero

The current Version object is the same version as version.

Greater than zero

The current Version object is a version subsequent to version.

-or-

version is null.

Implements

IComparable.CompareTo(Object)

ExceptionCondition
ArgumentException

version is not of type Version.

The components of Version in decreasing order of importance are: major, minor, build, and revision. An unknown component is assumed to be older than any known component.

For example:

  • version 1.1 is older than version 1.1.0

  • version 1.1 is older than version 1.1.1

  • version 1.1 is older than version 1.1.2.3

  • version 1.1.2 is older than version 1.1.2.4

  • version 1.2.5 is newer than version 1.2.3.4

Platform Notes

Silverlight for Windows Phone Silverlight for Windows Phone

 If you pass a string to CompareTo, the method throws InvalidCastException instead of ArgumentException.

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

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

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