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Header_InsertItem info  Overview  Group

The Header_InsertItem macro inserts a new item into a header control. You can use this macro or explicitly send the HDM_INSERTITEM message.

int Header_InsertItem(






Handle to the header control.
Index of the item after which the new item is to be inserted. The new item is inserted at the end of the header control if index is greater than or equal to the number of items in the control. If index is zero, the new item is inserted at the beginning of the header control.
Pointer to an HD_ITEM structure that contains information about the new item.

Return Values

If the operation succeeds, the return value is the index of the new item.

If the operation fails, the return value is - 1.


The Header_InsertItem macro is defined as follows:

#define Header_InsertItem(hwndHD, index, phdi) \

    (int)SendMessage((hwndHD), HDM_INSERTITEM, (WPARAM)(int)(index), \

    (LPARAM)(const HD_ITEM FAR*)(phdi))


See Also


file: /Techref/os/win/api/win32/mac/src/mac00_20.htm, 2KB, , updated: 2000/4/7 12:19, local time: 2024/7/15 03:47,

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