ReactOS  0.4.15-dev-1397-g19779b3
dc.c
Go to the documentation of this file.
1 /*
2  * ReactOS kernel
3  * Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18  */
19 /*
20  * PROJECT: ReactOS user32.dll
21  * FILE: win32ss/user/user32/windows/dc.c
22  * PURPOSE: Input
23  * PROGRAMMER: Casper S. Hornstrup (chorns@users.sourceforge.net)
24  * UPDATE HISTORY:
25  * 09-05-2001 CSH Created
26  */
27 
28 #include <user32.h>
29 
30 BOOL
31 WINAPI
33 
34 /*
35  * @implemented
36  */
37 int
38 WINAPI
40  HDC hDC)
41 {
42  // From msdn: if the DC was not released return zero.
43  // if the DC was released return one.
44 
45  if (!hDC) return FALSE; // Null hDC return zero.
46 
47  GdiReleaseDC ( hDC ); // Release locals.
48 
49  return NtUserxReleaseDC(hDC);
50 }
51 
52 
53 /*
54  * @implemented
55  */
56 HWND
57 WINAPI
59 {
60  return NtUserxWindowFromDC(hDC);
61 }
EXTINLINE INT NtUserxReleaseDC(HDC hDC)
Definition: ntwrapper.h:636
static HDC
Definition: imagelist.c:92
HWND hWnd
Definition: settings.c:17
int WINAPI ReleaseDC(HWND hWnd, HDC hDC)
Definition: dc.c:39
HWND WINAPI WindowFromDC(HDC hDC)
Definition: dc.c:58
#define FALSE
Definition: types.h:117
unsigned int BOOL
Definition: ntddk_ex.h:94
EXTINLINE HWND NtUserxWindowFromDC(HDC hDC)
Definition: ntwrapper.h:591
#define WINAPI
Definition: msvc.h:6
HDC hdc
Definition: main.c:9
static HDC hDC
Definition: 3dtext.c:33
BOOL WINAPI GdiReleaseDC(HDC hdc)
Definition: dc.c:392