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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
| user32.lib
| Header File
| winuser.h
| Unicode
| No
| Platform Notes
| None
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SetWindowWord
The SetWindowWord function replaces the 16-bit (word) value at the specified offset into the
extra window memory for the specified window.
WORD SetWindowWord(
HWND hWnd,
| // handle of window
| int nIndex,
| // offset of value to set
| WORD wNewWord
| // new value
| );
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Parameters
hWnd
Identifies the window and, indirectly, the class to which the window belongs.
nIndex
Specifies the zero-based byte offset of the value to be replaced. Valid values
are in the range zero through the number of bytes of window memory, minus two;
for example, if you specified 10 or more bytes of extra window memory, a value
of 8 would be an index to the fifth 16-bit integer.
wNewWord
Specifies the replacement value.
Return Values
If the function succeeds, the return value is the previous value of the
specified 16-bit integer.
If the function fails, the return value is zero. To get extended error
information, call GetLastError.
Remarks
Reserve extra window memory by specifying a nonzero value in the cbWndExtra member of the WNDCLASS structure used with the RegisterClass function.
The GWW_ values are obsolete in the Win32 API. You must use the SetWindowLong function to set information about the window.
See Also
GetParent, GetWindowLong, GetWindowWord, RegisterClass, SetParent, SetWindowLong, WNDCLASS
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