button

windows程序设计

/* File: button.c -- Button type widgets

*

* Copyright (C) 1993 Johannes Ruscheinski

* Copyright (C) 1993 David Metcalfe

* Copyright (C) 1994 Alexandre Julliard

*

* This library is free software; you can redistribute it and/or

* modify it under the terms of the GNU Lesser General Public

* License as published by the Free Software Foundation; either

* version 2.1 of the License, or (at your option) any later version. *

* This library is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

* Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software

* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

*/

#include <user32.h>

/* GetWindowLong offsets for window extra information */

#define STATE_GWL_OFFSET 0

#define HFONT_GWL_OFFSET (sizeof(LONG))

#define HIMAGE_GWL_OFFSET

(HFONT_GWL_OFFSET*sizeof(LONG))

#define NB_EXTRA_BYTES

(HIMAGE_GWL_OFFSET*sizeof(LONG))

/* Button state values */

#define BUTTON_UNCHECKED 0x00

#define BUTTON_CHECKED 0x01

#define BUTTON_3STATE 0x02

#define BUTTON_HIGHLIGHTED 0x04

#define BUTTON_HASFOCUS 0x08

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