WM_KILLFOCUS message
Sent to a window immediately before it loses the keyboard focus.
#define WM_KILLFOCUS 0x0008
Parameters
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wParam
-
A handle to the window that receives the keyboard focus. This parameter can be NULL.
-
lParam
-
This parameter is not used.
Return value
An application should return zero if it processes this message.
Remarks
If an application is displaying a caret, the caret should be destroyed at this point.
While processing this message, do not make any function calls that display or activate a window. This causes the thread to yield control and can cause the application to stop responding to messages. For more information, see Message Deadlocks.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|
See also
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Reference
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Conceptual