CLASS_MEDIA_CHANGE_CONTEXT structure (winioctl.h)

Contains information associated with a media change event.

Syntax

typedef struct _CLASS_MEDIA_CHANGE_CONTEXT {
  DWORD MediaChangeCount;
  DWORD NewState;
} CLASS_MEDIA_CHANGE_CONTEXT, *PCLASS_MEDIA_CHANGE_CONTEXT;

MediaChangeCount

The number of times that media has been changed since system startup.

NewState

The state information. This member can be one of the following values from the MEDIA_CHANGE_DETECTION_STATE enumeration type.