The TV_SORTCB structure contains information used to sort child items in a tree-view control.
typedef struct _TV_SORTCB { tvscb HTREEITEM hParent; PFNTVCOMPARE lpfnCompare; LPARAM lParam; } TV_SORTCB, FAR *LPTV_SORTCB;
int CALLBACK CompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort);
The callback function must return a negative value if the first item should precede the second, a positive value if the first item should follow the second, or zero if the two items are equivalent.
The lParam1 and lParam2 parameters correspond to the lParam
member of the TV_ITEM structure for the
two items being compared. The lParamSort parameter corresponds to the lParam
member of the TV_SORTCB structure that was passed with the
TVM_SORTCHILDRENCB message.
This structure is used with the TVM_SORTCHILDRENCB message.
file: /Techref/os/win/api/win32/struc/src/str22_12.htm, 2KB, , updated: 2000/4/7 12:20, local time: 2024/8/25 14:02,
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