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The NM_TREEVIEW structure contains information about a tree view
notification message.
typedef struct _NM_TREEVIEW { nmtv
NMHDR hdr;
UINT action;
TV_ITEM itemOld;
TV_ITEM itemNew;
POINT ptDrag;
} NM_TREEVIEW;
typedef NM_TREEVIEW FAR *LPNM_TREEVIEW;
Members
-
hdr
-
Specifies an NMHDR structure. The code
member of the NMHDR structure can one of the following notification
codes that identify the message being sent: TVN_BEGINDRAG,
TVN_BEGINRDRAG, TVN_DELETEITEM,
TVN_ITEMEXPANDED, TVN_ITEMEXPANDING,
TVN_SELCHANGED, TVN_SELCHANGING.
-
action
-
Specifies a notification-specific action flag.
-
itemOld
-
Specifies a TV_ITEM structure that
contains information about the old item state. This member is zero for
notification messages that do not use it.
-
itemNew
-
Specifies a TV_ITEM structure that
contains information about the new item state. This member is zero for
notification messages that do not use it.
-
ptDrag
-
Specifies a POINT structure that contains the client coordinates of the
mouse at the time the event occurred that caused the notification message to
be sent.
Remarks
The address of this structure is specified as the lParam parameter of
the WM_NOTIFY message for several tree-view notification messages.
See Also
POINT, TV_ITEM,
TVN_BEGINDRAG, TVN_BEGINRDRAG,
TVN_DELETEITEM, TVN_ITEMEXPANDED,
TVN_ITEMEXPANDING, TVN_SELCHANGED,
TVN_SELCHANGING, WM_NOTIFY