NMUPDOWN structure (commctrl.h)

Contains information specific to up-down control notification messages. It is identical to and replaces the NM_UPDOWN structure.

Syntax

typedef struct _NM_UPDOWN {
  NMHDR hdr;
  int   iPos;
  int   iDelta;
} NMUPDOWN, *LPNMUPDOWN;

hdr

Type: NMHDR

NMHDR structure that contains additional information about the notification.

iPos

Type: int

Signed integer value that represents the up-down control's current position.

iDelta

Type: int

Signed integer value that represents the proposed change in the up-down control's position.

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2003 [desktop apps only]
Header	commctrl.h