BN_KILLFOCUS notification code
Sent when a button loses the keyboard focus. The button must have the BS_NOTIFY style to send this notification code.
The parent window of the button receives this notification code through the WM_COMMAND message.
BN_KILLFOCUS
WPARAM wParam;
LPARAM lParam;
Parameters
-
wParam
-
The LOWORD contains the button's control identifier. The HIWORD specifies the notification code.
-
lParam
-
A handle to the button.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|