UpdateWindow (Compact 2013)
3/28/2014
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, |
See Also
Reference
GDI Functions
GetUpdateRect
GetUpdateRgn
InvalidateRect
WM_PAINT