Win32_VolumeChangeEvent class

Article
01/06/2021

The Win32_VolumeChangeEvent WMI class represents a local drive event that results from the addition of a drive letter or mounted drive on the computer system. Network drives are not currently supported.

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

Syntax

[UUID("455CE053-2552-4051-A3E4-C4200DC31B7"), AMENDMENT]
class Win32_VolumeChangeEvent : Win32_DeviceChangeEvent
{
  uint8  SECURITY_DESCRIPTOR[];
  uint64 TIME_CREATED;
  uint16 EventType;
  string DriveName;
};

Members

The Win32_VolumeChangeEvent class has these types of members:

Properties

Properties

The Win32_VolumeChangeEvent class has these properties.

DriveName

Data type: string
Access type: Read-only

Drive name (letter) that has been added or removed from the system.

EventType

Data type: uint16
Access type: Read-only
Qualifiers: MappingStrings ("Win32APIDevice Management Messages|WM_DEVICECHANGE|wParam", "Win32APIDevice Management Messages|WM_SETTINGCHANGE")

Type of event change notification that has occurred.

This property is inherited from Win32_DeviceChangeEvent.

Configuration Changed (1)

Device Arrival (2)

Device Removal (3)

Docking (4)

SECURITY_DESCRIPTOR

Data type: uint8 array
Access type: Read-only

Descriptor used by the event provider to determine which users can receive the event. This property is inherited from __Event. For more information about constants used to set this security descriptor, see WMI Security Constants.

TIME_CREATED

Data type: uint64
Access type: Read-only

Unique value that indicates the time at which the event was generated. This is a 64-bit value that represents the number of 100-nanosecond intervals after January 1, 1601. The information is in the Coordinated Universal Times (UTC) format.

This property is inherited from __Event.

For more information about using uint64 values in scripts, see Scripting in WMI.

Remarks

The Win32_VolumeChangeEvent class is derived from Win32_DeviceChangeEvent.

Requirements

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