The HD_NOTIFY structure contains information used to process notification messages from a header control.
typedef struct _HD_NOTIFY { // hdn NMHDR hdr; int iItem; int iButton; HD_ITEM FAR* pitem; } HD_NOTIFY;
Value |
Meaning |
0 |
Left button |
1 |
Right button |
2 |
Middle button |
When a header control sends the HDN_BEGINTRACK, HDN_DIVIDERDBLCLICK, HDN_ENDTRACK, HDN_ITEMCHANGED, HDN_ITEMCHANGING, HDN_ITEMCLICK, or HDN_TRACK notification codes, it passes a pointer to an HD_NOTIFY structure as the lParam parameter of a WM_NOTIFY message.
HD_ITEM, HDN_BEGINTRACK, HDN_DIVIDERDBLCLICK, HDN_ENDTRACK, HDN_ITEMCHANGED, HDN_ITEMCHANGING, HDN_ITEMCLICK, HDN_TRACK, WM_NOTIFY
file: /Techref/os/win/api/win32/struc/src/str09_2.htm, 3KB, , updated: 2000/4/7 11:20, local time: 2024/12/13 08:00,
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