win32-devicebus.md

description	ms.assetid	ms.tgt_platform	title	ms.topic	ms.date	topic_type	api_name	api_type	api_location
The Win32\_DeviceBus association WMI class relates a system bus and a logical device using the bus. This class is used to discover which devices are on which bus.	2d7d83a5-c058-40c0-aab3-7700f4067a16	multiple	Win32_DeviceBus class	reference	05/31/2018	APIRef kbSyntax	Win32_DeviceBus Win32_DeviceBus.Dependent Win32_DeviceBus.Antecedent	DllExport	CIMWin32.dll

Win32_DeviceBus class

The Win32_DeviceBus association WMI class relates a system bus and a logical device using the bus. This class is used to discover which devices are on which bus.

The following syntax is simplified from Managed Object Format (MOF) code and includes all of the inherited properties. Properties are listed in alphabetic order, not MOF order.

Syntax

[Dynamic, Provider("CIMWin32"), UUID("{8502C50F-5FBB-11D2-AAC1-006008C78BC7}"), AMENDMENT]
class Win32_DeviceBus : CIM_Dependency
{
  CIM_LogicalDevice REF Dependent;
  Win32_Bus         REF Antecedent;
};

Members

The Win32_DeviceBus class has these types of members:

• Properties

Properties

The Win32_DeviceBus class has these properties.

Antecedent

Data type: Win32_Bus

Access type: Read-only

Qualifiers: Key, Override ("Antecedent"), MappingStrings ("WMI|Win32_Bus")

A Win32_Bus that describes the properties of the system bus that is used by the logical device.

Dependent

Data type: CIM_LogicalDevice

Access type: Read-only

Qualifiers: Key, Override ("Dependent"), MappingStrings ("CIM|CIM_LogicalDevice")

A CIM_LogicalDevice that describes the properties of the logical device that is using the system bus.

Remarks

The Win32_DeviceBus class is derived from CIM_Dependency.

Requirements

Requirement	Value
Minimum supported client	Windows Vista
Minimum supported server	Windows Server 2008
Namespace	Root\CIMV2
MOF	CIMWin32.mof
DLL	CIMWin32.dll

See also

CIM_Dependency

Computer System Hardware Classes