BN_CLICKED notification code

Sent when the user clicks a button.

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

BN_CLICKED

    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.

A disabled button does not send a BN_CLICKED notification code to its parent window.

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2003 [desktop apps only]
Header	Winuser.h (include Windows.h)