UpdateWindow
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4/8/2010
This 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.
UpdateWindow 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.
Syntax
BOOL UpdateWindow(
HWND hWnd
);
Parameters
- hWnd
Handle to the window to be updated.
Return Value
Nonzero indicates success.
Zero indicates failure.
To get extended error information, call GetLastError.
Requirements
| Header | winuser.h |
| Library | coredll.lib, Winmgr.lib |
| Windows Embedded CE | Windows CE 1.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |