Programming |  Windows Programming |  bn_killfocus

 BN_KILLFOCUS

Sent when a button loses the keyboard focus. The button must have the BS_NOTIFY style to send this notification message.

The parent window of the button receives the BN_KILLFOCUS notification code through the WM_COMMAND message.

Syntax

    BN_KILLFOCUS
        WPARAM wParam
        LPARAM lParam;

Parameters

• wParam
  The low-order word contains the button's control identifier. The high-order word specifies the notification message.
• lParam
  A handle to the button.

Return Value

No return value.

Notification Requirements

• Minimum DLL Version None
• Header Declared in Winuser.h, include Windows.h
• Minimum operating systems Windows 95, Windows NT 3.51