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Version.CompareTo Method (Object)

.NET Framework 4.5

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

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

abstract CompareTo : 
        version:Object -> int  
override CompareTo : 
        version:Object -> int

Parameters

version: Type: System.Object
An object to compare, or a null reference (Nothing in Visual Basic).

Return Value

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

Return value	Meaning
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 a null reference (Nothing in Visual Basic).

Return value

Meaning

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 a null reference (Nothing in Visual Basic).

Implements

IComparable.CompareTo(Object)

Exceptions

Exception	Condition
ArgumentException	version is not of type Version.

Remarks

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

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

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.

Reference

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