在Windows操作系统中,当用户按下"PrintScreen"按钮后,Windows自动将当前屏幕的图像拷贝到系统剪贴板中,这时可以通过"画笔"这个小程序将剪贴板中的内容保存成图像文件,可以看出,如果需要将当前屏幕保存下来还是比较麻烦的,能否可以自己编写一个应用程序,自动将当前屏幕的内容保存到一个图像文件中去呢?这个答案是肯定的,本实例应用程序就是利用通用的热键管理DLL库实现的热键功能,在收到热键通知后截取屏幕的内容并保存到bmp文件中。例如我们设置图片保存路径为c:\,热键为F9 + Control,然后按Change按钮设置好热键,那么当我们按下CTRL+F9后,当前界面将以BMP图像文件的格式被保存在C:\目录下。程序编译运行后的界面效果如图一所示:
#wL8=QTcNC
m~l[Y 一、实现方法
jBnvu@K " .LEn~ 8 热键管理DLL实际上是一个键盘钩子,由它来监视系统的键盘事件。如果有和程序登记符合的按键组合就通知该程序的窗口。为了应用方便,本实例把它做成了一个标准的管理库来为其它的程序通过热键服务,它有两个输出函数:AddHotkey()和DeleteHotkey(),程序只需要调用这两个函数就可以了,如果编译之后不用改变热键,则只需要AddHotkey就可以了。DLL中的所有的全局变量都放在一个共享段中,定义如下:
pk2}]jx" 9lCZi? #pragma data_seg("shareddata")
x $=-lB HHOOK hHook =NULL; //钩子句柄
U{~R39 UINT nHookCount =0; //挂接的程序数目
K)8N8Js( static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
qaN%&K9F8 static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
Z|dng6ck static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
d&[.=M\E8 static int KeyCount =0;
R'{BkC}. static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
L?p,Sy<RI #pragma data_seg()
f3Cjj]RFv %b(non*
关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
dr8`;$;G* CkA
~'&C DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
Lv`NS+fX 84$#!=v BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
f MDM\&f cKey,UCHAR cMask)
=;"$t_t {
M,nLPHgK BOOL bAdded=FALSE;
{=GWQn6cc for(int index=0;index<MAX_KEY;index++){
^6[o$eY3 if(hCallWnd[index]==0){
|6}:n,KA. hCallWnd[index]=hWnd;
@(_M\>!%M HotKey[index]=cKey;
_laLTP* HotKeyMask[index]=cMask;
]Y@ia]x&P bAdded=TRUE;
]jL`*tI\S KeyCount++;
d9n{jv| break;
Q #%C)7) }
{_i.IPp~ }
j*aYh^ return bAdded;
!\%0O`b^4 }
CH/*MA //删除热键
Pxn;]!Z# BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
(}C%g{8 {
'/"x MpN 4 BOOL bRemoved=FALSE;
^%qhE8 for(int index=0;index<MAX_KEY;index++){
Ltt+BUJc if(hCallWnd[index]==hWnd){
x>yeF,q1 if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
I3ZbHb-)_, hCallWnd[index]=NULL;
5wws8w HotKey[index]=0;
]JXpe]B HotKeyMask[index]=0;
]%K 8 bRemoved=TRUE;
"?~u*5 KeyCount--;
!MiH^wP break;
8I'Am"bc\ }
%hu] = }
)@]Y1r4U }
)!!xvyc return bRemoved;
= yH#Iil }
aDik1Q |$vhu`]Z@^ Z~-A*{u? DLL中的钩子函数如下:
]eJjffx esM<. LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
W1UG\d`2 {
+=y ktf BOOL bProcessed=FALSE;
:W/,V^x} if(HC_ACTION==nCode)
MO{6B#(<F {
jJjD) if((lParam&0xc0000000)==0xc0000000){// 有键松开
Us]Uy|j switch(wParam)
o >=YoG {
7x%0^~/n case VK_MENU:
Eu AJ.n MaskBits&=~ALTBIT;
S;"7d break;
qR~s&SC# case VK_CONTROL:
.g7ebh6D MaskBits&=~CTRLBIT;
\@kY2,I V break;
Z' 0Gd@/ case VK_SHIFT:
GB+U>nf MaskBits&=~SHIFTBIT;
ms8PFu(f break;
T~k5` ~\( default: //judge the key and send message
lrSo@JQ break;
{.We%{4V }
$V"~\h8 for(int index=0;index<MAX_KEY;index++){
=sP6 if(hCallWnd[index]==NULL)
wR;_x x continue;
XV2f|8d> if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
`A\
!Gn? {
)T6+} SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
rs@,<DV)u bProcessed=TRUE;
2#nn}HEOC }
f 8E
S
GU }
@|&P#wd.u }
ybtje=3E else if((lParam&0xc000ffff)==1){ //有键按下
7
:s6W%W1* switch(wParam)
+:2(xgOP.V {
GA6)O-^G case VK_MENU:
V#W(c_g MaskBits|=ALTBIT;
3\FiQ/? break;
,vQkvuz case VK_CONTROL:
7581G$@ym MaskBits|=CTRLBIT;
voaRh@DZ%/ break;
}k}5\%#li5 case VK_SHIFT:
t=~5I> MaskBits|=SHIFTBIT;
0Bn$C,- break;
|pr~Ohz default: //judge the key and send message
xH\'gli/ break;
`3r *Ae }
||7r'Q
for(int index=0;index<MAX_KEY;index++){
GZ@!jF>!u if(hCallWnd[index]==NULL)
;W#G<M&n' continue;
VLtb16| if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
cGC&O%`i,\ {
&%J{C3Q9 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
`c{i+ bProcessed=TRUE;
?S!lX[#v }
v}-'L#6 }
hGF:D#jyT }
xYRL4 if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
q{c6DCc ]\ for(int index=0;index<MAX_KEY;index++){
<"CG%RGP if(hCallWnd[index]==NULL)
x!!:jL'L continue;
: 4Sj2
if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
@8@cpm SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
)T?w,"kI //lParam的意义可看MSDN中WM_KEYDOWN部分
NK*~UePy }
~&k1P:#R }
`
M"Zq }
\0j|~/6 return CallNextHookEx( hHook, nCode, wParam, lParam );
XXmtpM8 }
Ik=KEOz o?^j1\^ 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
+t/VF(! ^fS~va BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
S! ,.#e (Y BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
^5u} e|AJxn] 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
{:od=\*R 5`6@CRef LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
&^qD<eZ!Eq {
E[2c`XFd8 if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
kHX- AsRc {
^"l>;.w //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
8*4X%a=Of SaveBmp();
nd_d tsp# return FALSE;
] 2FS= }
Y'bDEdeT …… //其它处理及默认处理
$C(} }
"+&|$* x1$fkNu &cayhL/% 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
}I,]"0b E;D9S 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
cl1h;w9s `IkWS7| 二、编程步骤
?$pp% io$AGi 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
~naL1o_FZ sh:sPzQ%Jv 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
:s$ rD EmVE<kY. 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
/u*((AJ?Qv ^l7u^j 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
jUI'F4.5x- \@GA;~x.b 5、 添加代码,编译运行程序。
t_x\&+W ,~JxYh 三、程序代码
QP >P d*3k]Ie%5f ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
HPg@yx"U #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
B;2os ^* #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
@iS(P u #if _MSC_VER > 1000
z6ArSLlZ #pragma once
N'i%9SBcg #endif // _MSC_VER > 1000
JN$v=Ox{ #ifndef __AFXWIN_H__
3!,XR\`[ #error include 'stdafx.h' before including this file for PCH
iaLsIy#h #endif
Vqb4
MWW #include "resource.h" // main symbols
SwV0q class CHookApp : public CWinApp
GTeFDm;T^ {
7Xw;TA public:
ZXFM_>y5 CHookApp();
@vCPX=c // Overrides
Ky8sLm@ // ClassWizard generated virtual function overrides
jY('?3 //{{AFX_VIRTUAL(CHookApp)
XWf8ZZj public:
UMma|9l(i virtual BOOL InitInstance();
0;#%KC, virtual int ExitInstance();
ZXY5Xvt:v //}}AFX_VIRTUAL
x$[<<@F% //{{AFX_MSG(CHookApp)
mawomna // NOTE - the ClassWizard will add and remove member functions here.
m$NBG w // DO NOT EDIT what you see in these blocks of generated code !
_rR+u56y- //}}AFX_MSG
"
2Dz5L1v DECLARE_MESSAGE_MAP()
Q&opnvN };
E!8FZv8 LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
9gZMfP BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
N /p9Ws BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
GLp2
?fon BOOL InitHotkey();
aEo!yea BOOL UnInit();
AE={P*g #endif
c*-8h{} -icOg6% //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
J}c57$Z #include "stdafx.h"
5bYU(] #include "hook.h"
XZ EawJ0 #include <windowsx.h>
W2D^%;mw #ifdef _DEBUG
AjKP -[ #define new DEBUG_NEW
Kfa7}f_ #undef THIS_FILE
@zL)R b%P$ static char THIS_FILE[] = __FILE__;
s:'M[xI #endif
K_{f6c< #define MAX_KEY 100
w17\ \[ #define CTRLBIT 0x04
D>+&= 5{ #define ALTBIT 0x02
nfJ|&'T #define SHIFTBIT 0x01
UCj4%y6t #pragma data_seg("shareddata")
#s$b\"4 HHOOK hHook =NULL;
bY|%ois4 UINT nHookCount =0;
bW(+Aw=O static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
nd3=\.(P static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
T]Gxf"mK static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
l=8)_z;~D static int KeyCount =0;
%C\Q{_ AS static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
l+Dl~o} #pragma data_seg()
a*REx_gLG HINSTANCE hins;
kMWu%,s4 void VerifyWindow();
jb~a z BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
T)&J}^j //{{AFX_MSG_MAP(CHookApp)
sOg@9-_Uh // NOTE - the ClassWizard will add and remove mapping macros here.
' @>FtF[Gu // DO NOT EDIT what you see in these blocks of generated code!
)SQ*"X4" //}}AFX_MSG_MAP
a\S"d END_MESSAGE_MAP()
Vc.A<( )f-u x5 CHookApp::CHookApp()
4!p~Mr[E {
C9E l {f // TODO: add construction code here,
8ar2N)59 // Place all significant initialization in InitInstance
8J{I6nPF }
3v)v92; 34-QgE CHookApp theApp;
#t:]a<3Y2 LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
F(>']D9$. {
s\i=-` BOOL bProcessed=FALSE;
06"p^# if(HC_ACTION==nCode)
xx0s`5 {
&dF$:$'s if((lParam&0xc0000000)==0xc0000000){// Key up
q$z#+2u switch(wParam)
Uhfm@1 cz& {
J\<7M8
case VK_MENU:
LI_>fuv"8 MaskBits&=~ALTBIT;
FL% GW: break;
^8$CpAK]M case VK_CONTROL:
Oe4 l`
=2 MaskBits&=~CTRLBIT;
Y$b4Ga9j break;
:LBG6J case VK_SHIFT:
ez=$ ]cln MaskBits&=~SHIFTBIT;
,oX48Wg_+ break;
*T"JO| default: //judge the key and send message
=Xh^@OR break;
C=(-oI n
}
_
vVw2HH for(int index=0;index<MAX_KEY;index++){
YW"}hU if(hCallWnd[index]==NULL)
)QE7$|s continue;
yaD<jc(O if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
4v9zFJ<Z {
# eqt{ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
#&0)kr66 bProcessed=TRUE;
V#[I/D }
h=SQ]nV{ }
J~KWn. }
I"Y d6M%
; else if((lParam&0xc000ffff)==1){ //Key down
w]GoeIg({ switch(wParam)
95Bw;U3E {
pg~vteq5 case VK_MENU:
au7%K5 MaskBits|=ALTBIT;
>JwdVy^ break;
t+Kxww58 case VK_CONTROL:
i3t=4[~oL MaskBits|=CTRLBIT;
Cnd70tbD ) break;
(A O]f fBU case VK_SHIFT:
r|4jR6%<'m MaskBits|=SHIFTBIT;
'EU{%\qM break;
w{k8Y? default: //judge the key and send message
,!t1( H
break;
IK5FSN]s/ }
W"S,~y for(int index=0;index<MAX_KEY;index++)
DfwxPt# {
:0IxnK(r& if(hCallWnd[index]==NULL)
-/|O*oZ continue;
fv$Y&_,5 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
[:sP Z{ {
wGa0w*$ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
n4\6\0jq6 bProcessed=TRUE;
K:yS24\% }
=o\:@I[ }
DR3M|4[ }
Hn)K;?H4 if(!bProcessed){
ANtp7ad for(int index=0;index<MAX_KEY;index++){
hPr*<2mp if(hCallWnd[index]==NULL)
MuB8gSu continue;
S!.aBAW if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
I8HUH*|)n SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
ZiM#g1; }
G~_5E]8 }
PbxuD*LQ. }
:p@H return CallNextHookEx( hHook, nCode, wParam, lParam );
yq+<pfaqvK }
vLR)B@O,2 @z"Zj 3ti BOOL InitHotkey()
5~k-c Ua {
o_/C9[: if(hHook!=NULL){
!jY/}M~F1 nHookCount++;
X@Eq5s return TRUE;
;=: R| }
RtH[OZu(8 else
mXlXB#N hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
]W<E#^ if(hHook!=NULL)
]*j>yj.Y'~ nHookCount++;
G?\o_)IJ return (hHook!=NULL);
_/ j44q }
eHK}U+"\ BOOL UnInit()
7p3 ;b"' {
Y>t*L#i if(nHookCount>1){
XOa<R nHookCount--;
d hiLv_/ return TRUE;
2#_9x7g+ }
U#G
uB&V BOOL unhooked = UnhookWindowsHookEx(hHook);
a8M.EFa: if(unhooked==TRUE){
wJ! nHookCount=0;
QNFA#`H hHook=NULL;
QI~s~j }
( f8g}2 return unhooked;
^i&Qr+v }
pW8pp? :eS7"EG{3 BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
:d/Z&LXD {
^*C6]*C}te BOOL bAdded=FALSE;
c}Jy'F7&f for(int index=0;index<MAX_KEY;index++){
tnqW!F~ if(hCallWnd[index]==0){
/7@@CG6b hCallWnd[index]=hWnd;
]=9%fA HotKey[index]=cKey;
YV-2es+Bd HotKeyMask[index]=cMask;
':[+UUC@ bAdded=TRUE;
BdUhFN* KeyCount++;
5<IUTso5h break;
/.'1i4Xa1P }
W~W^$A }
)_+" return bAdded;
ZT8. r0 }
PNT.9 *d '7>Vmr6 BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
tRbZ^5x\@ {
a&L8W4 BOOL bRemoved=FALSE;
4TG| for(int index=0;index<MAX_KEY;index++){
F
xFK if(hCallWnd[index]==hWnd){
cWFvYF if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
Z>QSZ48= hCallWnd[index]=NULL;
!SJmu}OB] HotKey[index]=0;
=eac,]31 HotKeyMask[index]=0;
1Od:I}@ bRemoved=TRUE;
m>:%[vm KeyCount--;
Zu%_kpW break;
<py~(q }
l[ @\!;| }
>z^T~@m7l }
2#/ KS^ return bRemoved;
wk9tJ#} }
/unOZVr( (Egykh> void VerifyWindow()
bs+KcY:N] {
"45BOw&72G for(int i=0;i<MAX_KEY;i++){
s\7|b:y& if(hCallWnd
!=NULL){ M?nnpO
if(!IsWindow(hCallWnd)){ G>:l(PW:
hCallWnd=NULL; }O1F.5I1
HotKey=0; OPKX&)SE-
HotKeyMask=0; }ZYK3F
KeyCount--; <wE2ly&x
} ;"Ot\:0
} <5$= Ta
} H>DJ-lG(
} w-\fCp )
]KuK\(\
BOOL CHookApp::InitInstance() 3\(s=-vh
{ c,D'Hl6(%
AFX_MANAGE_STATE(AfxGetStaticModuleState()); RhQOl9
hins=AfxGetInstanceHandle(); |(P>'fat-p
InitHotkey(); ~NTpMF
return CWinApp::InitInstance(); #;mZ3[+i5
} P?0b-Qr$a
x_@ev-
int CHookApp::ExitInstance() ?` `+OH
{ D!Gm9Pa}
VerifyWindow(); *Lh0E/5
UnInit(); Hb]7>[L
return CWinApp::ExitInstance(); iww h,(
} 1qQgAhoY
[9LYR3 p
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file a"&Z!A:Z=
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) M?\)&2f[Z
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ N{q'wep
#if _MSC_VER > 1000 S3J6P2P
#pragma once uY;/3?k&
#endif // _MSC_VER > 1000 d&ZwVF!
#g|j;{P
class CCaptureDlg : public CDialog C/cGr)|8%
{ *e8V4P
// Construction 3>jz3>v@
public: A>4k4*aFm#
BOOL bTray; jOuv\$
BOOL bRegistered; kfVG@ o?o
BOOL RegisterHotkey(); 1L9^N
UCHAR cKey; 22*t%{(
UCHAR cMask; =~arj
void DeleteIcon(); \E#r[9F{
void AddIcon(); 4kz8U
UINT nCount; vc!S{4bN
void SaveBmp(); TY#1Z )%
CCaptureDlg(CWnd* pParent = NULL); // standard constructor VAthQ<
// Dialog Data (la
//{{AFX_DATA(CCaptureDlg) xH
f9N?
enum { IDD = IDD_CAPTURE_DIALOG }; Q72wg~% w
CComboBox m_Key; nAX|=qp#
BOOL m_bControl; (
ou:"Y
BOOL m_bAlt; }(],*^'u-
BOOL m_bShift; zHU#Jjc_b
CString m_Path; 05zHL j
CString m_Number; 'qP^MdoE%~
//}}AFX_DATA pvM8PlYo]`
// ClassWizard generated virtual function overrides zk/!#5JtK
//{{AFX_VIRTUAL(CCaptureDlg) ef.lM]cO
public: ,yqzk.
virtual BOOL PreTranslateMessage(MSG* pMsg); {xykf7zp
protected: c,-x}i0c
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support C>u 3n^
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); SB'YV#--
//}}AFX_VIRTUAL ^&<*$Ai~
// Implementation Y5NbY02E
protected: F*w|/- e
HICON m_hIcon; |{jAMC0#
// Generated message map functions 2(rZ@Wl
//{{AFX_MSG(CCaptureDlg) R P X`2zr
virtual BOOL OnInitDialog(); b(yO
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); F@*lR(4C
afx_msg void OnPaint(); [.I,B tY+
afx_msg HCURSOR OnQueryDragIcon(); '?>eW2d
virtual void OnCancel(); G9a%N
afx_msg void OnAbout(); b c4x"]!
afx_msg void OnBrowse(); wW<"l"x,
afx_msg void OnChange(); #-Rz`Y<&
//}}AFX_MSG *0hiPj:
DECLARE_MESSAGE_MAP() Fa!)$eb7
}; ZYt
__N
#endif )eFFtnu5
h]MVFn{
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file /2cI{]B
#include "stdafx.h" t(Zs*c(
#include "Capture.h" }J?fJ(
#include "CaptureDlg.h" 4QN;o%,
#include <windowsx.h> GA_`C"mx
#pragma comment(lib,"hook.lib") lp}WB d+
#ifdef _DEBUG eE{L>u
#define new DEBUG_NEW N
Sh.g#
#undef THIS_FILE +.lWck
static char THIS_FILE[] = __FILE__; QP[a^5;Tt
#endif P\mm8s`f
#define IDM_SHELL WM_USER+1 %7evPiNB
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); Y+
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BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); N
&[,nUd
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; BR^J y<^F'
class CAboutDlg : public CDialog bQy%$7UmX,
{ J4}\V$ysN
public: _0*>I1F~
CAboutDlg(); [/Z'OV"tU
// Dialog Data E)JyKm.
//{{AFX_DATA(CAboutDlg) p}A4K#G
enum { IDD = IDD_ABOUTBOX };
;Zq~w
//}}AFX_DATA KF_Wu}q
d
// ClassWizard generated virtual function overrides @5jG
//{{AFX_VIRTUAL(CAboutDlg) PS(j)I3
protected: "-n%874IT
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support VMIX$#
//}}AFX_VIRTUAL 0['"m^l0S
// Implementation qysa!B
protected: x"8ey|@&,
//{{AFX_MSG(CAboutDlg) 3EVC8ue
//}}AFX_MSG }=hoATs
DECLARE_MESSAGE_MAP() ^dnz=FB
}; XLmMK{gs
2ly,l[p8
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) [b.'3a++
{ LBkc s4+
//{{AFX_DATA_INIT(CAboutDlg) As+;qNO
//}}AFX_DATA_INIT e?| URW
} l}0V+
[DxefYyI
void CAboutDlg::DoDataExchange(CDataExchange* pDX) }utNZhJ
{ ,B %fjcn
CDialog::DoDataExchange(pDX); hY}/Y
//{{AFX_DATA_MAP(CAboutDlg) nF<y7XkO
//}}AFX_DATA_MAP H_?B{We
} )J+{oB[>b
r)p2'+}pV
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) DMQNr(w{!2
//{{AFX_MSG_MAP(CAboutDlg) 3_MS'&M
// No message handlers 'q92E(
//}}AFX_MSG_MAP ,MM>cOQ
END_MESSAGE_MAP() qo6LC >Qg
/> 3
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) WBr:|F+~s
: CDialog(CCaptureDlg::IDD, pParent) `pi-zE)
{ V3mjbH>F
//{{AFX_DATA_INIT(CCaptureDlg) R3j#WgltP
m_bControl = FALSE; {OO*iZ.O
m_bAlt = FALSE; vx!::V7s6
m_bShift = FALSE; -XVEV
m_Path = _T("c:\\"); U|J$?aFDr
m_Number = _T("0 picture captured."); %{7_E*I@n
nCount=0; VW9>xVd4
bRegistered=FALSE; (Pv`L
bTray=FALSE; *p&^!ct
//}}AFX_DATA_INIT .?rbny
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 /5Zp-Pq
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); =#i4MXRZ{
} [1b6#I"x
U{uPt*GUd/
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) RpO@pd m
{ rQ~ \~g[tP
CDialog::DoDataExchange(pDX); R:'Ou:Mh
//{{AFX_DATA_MAP(CCaptureDlg) d>%gW*
DDX_Control(pDX, IDC_KEY, m_Key); A*8m8Sh$
DDX_Check(pDX, IDC_CONTROL, m_bControl); +yf(Rs)!
DDX_Check(pDX, IDC_ALT, m_bAlt); ,VNi_.W0
DDX_Check(pDX, IDC_SHIFT, m_bShift); ~;M)qR?]W
DDX_Text(pDX, IDC_PATH, m_Path); w9RF2J
DDX_Text(pDX, IDC_NUMBER, m_Number); 3CR@'
qG-
//}}AFX_DATA_MAP /?KtXV>]
} I|,pE**T
M1oPOC\0.
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) B7!<{i
//{{AFX_MSG_MAP(CCaptureDlg) z Yw;q3"
ON_WM_SYSCOMMAND() q0,kDM66
ON_WM_PAINT() oZTgN .q
ON_WM_QUERYDRAGICON() I eG=J4:*
ON_BN_CLICKED(ID_ABOUT, OnAbout) 5Sr4-F+@%
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) CRH{E}>
ON_BN_CLICKED(ID_CHANGE, OnChange) C5P$&s\
//}}AFX_MSG_MAP Qg(Z{V
END_MESSAGE_MAP() &+ KyPY+
n( g)UNx
BOOL CCaptureDlg::OnInitDialog() opsQn\4DZ?
{ hAm/mu
CDialog::OnInitDialog(); E2@`d6
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); qv[[Q[RK-5
ASSERT(IDM_ABOUTBOX < 0xF000); X1+wX`f
CMenu* pSysMenu = GetSystemMenu(FALSE); ! Tx&vtq
if (pSysMenu != NULL) 5?WYsj"
{ (Uk>?XAr
CString strAboutMenu; Cyq?5\ a
strAboutMenu.LoadString(IDS_ABOUTBOX); [4sEVu}
if (!strAboutMenu.IsEmpty()) zh\p
{ HPg3`Ul
pSysMenu->AppendMenu(MF_SEPARATOR); _;56^1'T
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); lbQQtpEKO
} 7 8Vcu'j&_
} A{# Nwd>
SetIcon(m_hIcon, TRUE); // Set big icon Ko6^iI1
SetIcon(m_hIcon, FALSE); // Set small icon 9mlIbEAb
m_Key.SetCurSel(0); UXT
p
RegisterHotkey(); 1B|8ZmFJj
CMenu* pMenu=GetSystemMenu(FALSE); Mp~y0e
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); FmEc`N9\v
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); q2hFOm
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); <a4TO8
return TRUE; // return TRUE unless you set the focus to a control }pVTTs`
} `s|]"'rX
hfqqQ!,l!
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) y}FZD?"
{ {%C*{,#+8q
if ((nID & 0xFFF0) == IDM_ABOUTBOX) KzjC/1sd
{ VIC0}LT0R
CAboutDlg dlgAbout; \\,f{?w
dlgAbout.DoModal(); .f:n\eT):
} V8WFQdXc
else nOb?-rR
{ G,f-.
CDialog::OnSysCommand(nID, lParam); k1^\|
} a2w T6jY
} (@r
`$5D.b
mj&57D\fq
void CCaptureDlg::OnPaint() !8
-oR6/$%
{ 3*ixlO:qGk
if (IsIconic()) >(r{7Qg
{ Os&n
CPaintDC dc(this); // device context for painting )w h%|
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); cc}Key@D
// Center icon in client rectangle tz^/J=)"
int cxIcon = GetSystemMetrics(SM_CXICON); iD`d99f8O
int cyIcon = GetSystemMetrics(SM_CYICON); 2f>PO +4S{
CRect rect; yNg9X(U
GetClientRect(&rect); _;1}x%4v
int x = (rect.Width() - cxIcon + 1) / 2; <eN_1NTH_
int y = (rect.Height() - cyIcon + 1) / 2; Bc7V)YK
// Draw the icon C NsNZJ
dc.DrawIcon(x, y, m_hIcon); jN31hDg<z
} m2~