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Sent to a window after it has gained the keyboard focus.
#define WM_SETFOCUS 0x0007
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wParam
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A handle to the window that has lost the keyboard focus. This parameter can be NULL.
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lParam
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This parameter is not used.
An application should return zero if it processes this message.
To display a caret, an application should call the appropriate caret functions when it receives the WM_SETFOCUS message.
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|
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Reference
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Conceptual