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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 




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


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

See Also


file: /Techref/os/win/api/win32/struc/src/str12_22.htm, 1KB, , updated: 2000/4/7 12:20, local time: 2023/6/1 21:58,

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