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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
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| Header File
| commctrl.h
| Unicode
| WinNT
| Platform Notes
| None
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Header_SetItem
The Header_SetItem macro sets the attributes of the specified item in a header control. You can
use this macro or explicitly send the HDM_SETITEM message.
BOOL Header_SetItem(
Parameters
hwndHD
Handle to the header control.
index
Index of the item whose attributes are to be changed.
phdi
Pointer to an HD_ITEM structure. When the HDM_SETITEM message is sent, the mask member indicates the attributes to set. The other members specify new
attributes.
Return Values
If the operation succeeds, the return value is TRUE.
If the operation fails, the return value is FALSE.
Remarks
The HDN_ITEMCHANGING notification message is sent to the parent window before the item attributes
are changed. The parent window can return FALSE to prevent the changes, and in
that case, the Header_SetItem macro returns FALSE. If the parent window returns TRUE, the changes are made
and the parent window receives the HDN_ITEMCHANGED notification message.
The Header_SetItem macro is defined as follows:
#define Header_SetItem(hwndHD, index, phdi) \
(BOOL)SendMessage((hwndHD), HDM_SETITEM, \
(WPARAM)(int)(index), (LPARAM)(const HD_ITEM FAR*)(phdi))
See Also
HD_ITEM, HDM_SETITEM, HDN_ITEMCHANGED, HDN_ITEMCHANGING
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Unix Manual Pages
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