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DependencyObjectType.Id Property

Gets a zero-based unique identifier for constant-time array lookup operations.

Namespace:  System.Windows
Assembly:  WindowsBase (in WindowsBase.dll)

public int Id { get; }

Property Value

Type: System.Int32
An internal identifier.

Do not use for general hashing functions. There is no guarantee on this value. It can vary between application runs.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.