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Version.LessThan Operator

Determines whether the first specified Version object is less than the second specified Version object.

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

public static bool operator <(
	Version v1,
	Version v2


Type: System.Version
The first Version object.
Type: System.Version
The second Version object.

Return Value

Type: System.Boolean
true if v1 is less than v2; otherwise, false.


v1 is null.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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