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ManagementClass.GetSubclasses Method

Returns the collection of all subclasses for the class.

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

public ManagementObjectCollection GetSubclasses()

Return Value

Type: System.Management.ManagementObjectCollection
A collection of the ManagementObject objects that represent the subclasses of the WMI class.

.NET Framework Security

Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

The following example uses the GetSubclasses method to list the subclasses to the CIM_LogicalDisk class. For more information, see "CIM_LogicalDisk" in the Windows Management Instrumentation documentation in the MSDN Library at http://msdn.microsoft.com/library.

using System;
using System.Management;

public class Sample
    public static void Main() 
        ManagementClass c =
            new ManagementClass("CIM_LogicalDisk");

        foreach (ManagementClass r in c.GetSubclasses())
                "Instances of {0} are sub-classes",

        foreach (ManagementClass r in c.GetRelationshipClasses())
                "{0} is a relationship class to " +

            foreach (ManagementClass related in c.GetRelatedClasses(
                null, r.ClassPath.ClassName,
                "Association", null, null, null, null))
                    "{0} is related to " + c.ClassPath.ClassName,


.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, 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.

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