[MS-VDS]: Virtual Disk Service (VDS) Protocol Specification

wcLetter: The drive letter that triggered the event, as a single uppercase or lowercasealphabetical (A-Z) Unicode character.volumeId: The VDS object ID of the volume object to which the drive letter is assigned. If thedrive letter is freed, the volume identifier is GUID_NULL.2.2.1.3.7 VDS_FILE_SYSTEM_NOTIFICATIONThe VDS_FILE_SYSTEM_NOTIFICATION structure provides information about a file systemnotification.typedef struct _VDS_FILE_SYSTEM_NOTIFICATION {unsigned long ulEvent;VDS_OBJECT_ID volumeId;DWORD dwPercentCompleted;} VDS_FILE_SYSTEM_NOTIFICATION;ulEvent: Determines the file system event for which an application will be notified; it MUST beone of the following values.ValueVDS_NF_FILE_SYSTEM_MODIFY0x000000CBVDS_NF_FILE_SYSTEM_FORMAT_PROGRESS0x000000CCMeaningA volume received a new label, or a file system wasextended or shrunk; does not include a change tothe file system compression flags.A file system is being formatted.volumeId: The VDS object ID of the volume object containing the file system that triggered theevent.dwPercentCompleted: The completed format progress as a percentage of the whole.2.2.1.3.8 VDS_MOUNT_POINT_NOTIFICATIONThe VDS_MOUNT_POINT_NOTIFICATION structure provides information about a mount pointchange notification.typedef struct _VDS_MOUNT_POINT_NOTIFICATION {unsigned long ulEvent;VDS_OBJECT_ID volumeId;} VDS_MOUNT_POINT_NOTIFICATION;ulEvent: Determines the mount point event for which an application will be notified; it MUST bethe following value.ValueVDS_NF_MOUNT_POINTS_CHANGE0x000000CDMeaningThe mount point changed.46 / 360[MS-VDS] — v20110610Virtual Disk Service (VDS) Protocol SpecificationCopyright © 2011 Microsoft Corporation.Release: Friday, June 10, 2011