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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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UpdateWindow
The
UpdateWindow function updates the client area of the specified window by sending a
WM_PAINT message to the window if the window's update region is not empty. The
function sends a WM_PAINT message directly to the window procedure of the specified
window, bypassing the application queue. If the update region is empty, no
message is sent.
BOOL UpdateWindow(
HWND hWnd
| // handle of window
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);
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Parameters
hWnd
Identifies the window to be updated.
Return Values
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero.
See Also
ExcludeUpdateRgn,
GetUpdateRect,
GetUpdateRgn,
InvalidateRect,
InvalidateRgn,
WM_PAINT
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