WM_SETFOCUS  _I6BT2 

The WM_SETFOCUS message is sent to a window after it has gained the keyboard focus.

WM_SETFOCUS

hwndLoseFocus = (HWND) wParam; // handle of window losing focus

Parameters

hwndLoseFocus

Value of wParam. Identifies the window that has lost the keyboard focus (may be NULL).

Return Values

An application should return zero if it processes this message.

Remarks

To display a caret, an application should call the appropriate caret functions when it receives the WM_SETFOCUS message.

See Also