NM_UPDOWN  7QTRW3 

The NM_UPDOWN structure contains information about an up-down control notification message.

typedef struct _NM_UPDOWN {   nmud

    NMHDR    hdr;       // notification message header

    int     iPos;        // current position

    int  iDelta;      // proposed change in position

} NM_UPDOWNW;

Members

hdr

Specifies an NMHDR99J.0 structure. The code member of the NMHDR structure can be the following notification code that identifies the message being sent: UDN_DELTAPOSJFK_2I.

iPos

Signed integer value that is the current position of the up-down control.

iDelta

Signed integer value that is the proposed change in the position of the up-down control.

Remarks

The address of this structure is specified as the lParam parameter of the WM_NOTIFY message for the UDN_DELTAPOS notification message.

See Also