NM_UPDOWN info  Overview  Group

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 NMHDR structure. The code member of the NMHDR structure can be the following notification code that identifies the message being sent: UDN_DELTAPOS.

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

NMHDR, UDN_DELTAPOS, WM_NOTIFY