Windows Dev Center

DEPENDENT_DISK_FLAG enumeration

Contains virtual hard disk (VHD) dependency information flags.

Syntax


typedef enum _DEPENDENT_DISK_FLAG { 
  DEPENDENT_DISK_FLAG_NONE                  = 0x00000000,
  DEPENDENT_DISK_FLAG_MULT_BACKING_FILES    = 0x00000001,
  DEPENDENT_DISK_FLAG_FULLY_ALLOCATED       = 0x00000002,
  DEPENDENT_DISK_FLAG_READ_ONLY             = 0x00000004,
  DEPENDENT_DISK_FLAG_REMOTE                = 0x00000008,
  DEPENDENT_DISK_FLAG_SYSTEM_VOLUME         = 0x00000010,
  DEPENDENT_DISK_FLAG_SYSTEM_VOLUME_PARENT  = 0x00000020,
  DEPENDENT_DISK_FLAG_REMOVABLE             = 0x00000040,
  DEPENDENT_DISK_FLAG_NO_DRIVE_LETTER       = 0x00000080,
  DEPENDENT_DISK_FLAG_PARENT                = 0x00000100,
  DEPENDENT_DISK_FLAG_NO_HOST_DISK          = 0x00000200,
  DEPENDENT_DISK_FLAG_PERMANENT_LIFETIME    = 0x00000400
} DEPENDENT_DISK_FLAG;

Constants

DEPENDENT_DISK_FLAG_NONE

No flags specified. Use system defaults.

DEPENDENT_DISK_FLAG_MULT_BACKING_FILES

Multiple files backing the virtual disk.

DEPENDENT_DISK_FLAG_FULLY_ALLOCATED

Fully allocated virtual disk.

DEPENDENT_DISK_FLAG_READ_ONLY

Read-only virtual disk.

DEPENDENT_DISK_FLAG_REMOTE

The backing file of the virtual disk is not on a local physical disk.

DEPENDENT_DISK_FLAG_SYSTEM_VOLUME

Reserved.

DEPENDENT_DISK_FLAG_SYSTEM_VOLUME_PARENT

The backing file of the virtual disk is on the system volume.

DEPENDENT_DISK_FLAG_REMOVABLE

The backing file of the virtual disk is on a removable physical disk.

DEPENDENT_DISK_FLAG_NO_DRIVE_LETTER

Drive letters are not automatically assigned to the volumes on the virtual disk.

DEPENDENT_DISK_FLAG_PARENT

The virtual disk is a parent of a differencing chain.

DEPENDENT_DISK_FLAG_NO_HOST_DISK

The virtual disk is not attached to the local host. For example, it is attached to a guest virtual machine.

DEPENDENT_DISK_FLAG_PERMANENT_LIFETIME

The lifetime of the virtual disk is not tied to any application or process.

Requirements

Minimum supported client

Windows 7

Minimum supported server

Windows Server 2008 R2

Header

VirtDisk.h (include Windows.h)

See also

About VHD
Virtual Storage
VHD Reference

 

 

Build date: 10/26/2012

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