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:
*#T:
_
HAxLYun(3w 一、实现方法
R^l0Bu]X
'"B 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:
MJXnAIG?2 6]brL.eGj #pragma data_seg("shareddata")
MXaFqK<Y HHOOK hHook =NULL; //钩子句柄
fEHFlgN3Ap UINT nHookCount =0; //挂接的程序数目
,|A^ <R` static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
SGWb*grt static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
]<;7ZNG"Y5 static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
_z@/~M( static int KeyCount =0;
J3eud}w static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
4z0gyCAC A #pragma data_seg()
.l1x~( ?+t;\ 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。
ys9:";X;} >dl5^ 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:
4YfM.~
6 T+Z[&| BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
J4T"O<i$58 cKey,UCHAR cMask)
>3!~U.AA'x {
o[ZjXLJzV BOOL bAdded=FALSE;
_J1\c~ke" for(int index=0;index<MAX_KEY;index++){
zm&[K53 if(hCallWnd[index]==0){
2{79,Js0 hCallWnd[index]=hWnd;
lVvcrU HotKey[index]=cKey;
^4n#''wJ HotKeyMask[index]=cMask;
zPaubqB bAdded=TRUE;
4 /_jrZO KeyCount++;
tbS hSbj break;
Cn~VJ,l
g }
J@5iD }
YSP\+ZZ return bAdded;
]Dq6XR }
!85bpQ. //删除热键
Tb i?AJa} BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
YV.' L {
*yhA8fJ BOOL bRemoved=FALSE;
1>Sfv|ZP, for(int index=0;index<MAX_KEY;index++){
)'+[,z ;s if(hCallWnd[index]==hWnd){
:^)?AO#J if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
^~~Rto)Y hCallWnd[index]=NULL;
]?y~;-^ HotKey[index]=0;
#[prG HotKeyMask[index]=0;
I$;`^z bRemoved=TRUE;
wH~A>
4*( KeyCount--;
IC
cr break;
7Eyi~jes }
xuXPVJdi }
<XLae'R }
$g>bp<9v4 return bRemoved;
syX?O'xJ }
clvg5{^q[ ~+\=X`y H$I~Vz[\yb DLL中的钩子函数如下:
r2RJb6 +f/
I>9G LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
b}qfOgd5 {
~J].~^[ BOOL bProcessed=FALSE;
#*iUZo if(HC_ACTION==nCode)
\IL)~5d {
|4@cX<d. if((lParam&0xc0000000)==0xc0000000){// 有键松开
_Raf7 W switch(wParam)
hz:7W8 {
~@'wqGTp case VK_MENU:
+xYu@r%R MaskBits&=~ALTBIT;
kY]"3a break;
/b,>fK^ case VK_CONTROL:
m*y&z'e\ MaskBits&=~CTRLBIT;
IWo'{pk break;
^%f8JoB case VK_SHIFT:
'h$1
z$X5 MaskBits&=~SHIFTBIT;
W8& )UtWQ break;
1V2]@VQF default: //judge the key and send message
|=q~X}DA break;
M(C">L]8 }
);!ND% for(int index=0;index<MAX_KEY;index++){
\TP$2i%W if(hCallWnd[index]==NULL)
Q:P)g#suc continue;
tD.#*.7 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
QM(xMq
{
38w^="-T SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
lj<Sa bProcessed=TRUE;
YoKE=ln7 }
i9ySD }
B#g~c<4< }
0qN`-0Yk else if((lParam&0xc000ffff)==1){ //有键按下
F6U#EvL switch(wParam)
]
2
`%i5 {
'Ix@<$~i3F case VK_MENU:
#zsaQg,
B MaskBits|=ALTBIT;
j@4MV^F2c break;
_[[0rn$ case VK_CONTROL:
%IO*(5f MaskBits|=CTRLBIT;
7hk<{gnr break;
^Laqq%PI case VK_SHIFT:
e|k]te MaskBits|=SHIFTBIT;
QT c{7& break;
Wc@
,#v default: //judge the key and send message
kZ5#a)U< break;
f#ZM2!^! }
T<*)Cdid for(int index=0;index<MAX_KEY;index++){
)WoH>D if(hCallWnd[index]==NULL)
5t%8y!s continue;
Fip
5vrD if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
^SpQtW118 {
1]/;qNEv SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
iZNS? ^U bProcessed=TRUE;
Mxl;Im]!`. }
:)lS9<Y} }
]T)N{"&N/ }
HO<|EH~lu if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
I(M/X/ for(int index=0;index<MAX_KEY;index++){
336ETrG^0 if(hCallWnd[index]==NULL)
s)WA9PiC continue;
~\am%r> if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
CU|E-XPW SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
?>;b,^4 //lParam的意义可看MSDN中WM_KEYDOWN部分
gGP6"|tc4 }
ChK-L6 }
(xo`*Q,+ }
LAC&W;pJ" return CallNextHookEx( hHook, nCode, wParam, lParam );
!yv>e7g^ }
cAN!5?D\ :E-$:\V0}k 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:
,P9F*;Dj $IQPB_: BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
Pm%xX~H BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
/0\g!29l< nT?+^Ruc 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:
2OoANiX L(|K{vH h] LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
1Le8W)J {
gnH{_ if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
VzXVy)d {
4FzTf7h^ //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
9D14/9*(dU SaveBmp();
~Eg]Auk7 return FALSE;
E_~e/y"- }
CT'4. …… //其它处理及默认处理
'9!_:3[d\] }
0J+WCm` S${%T$> :fj>JF\[ 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
vD8pVR+ %%K3J<5 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
}Nr6oUn KKsVZ~<6u 二、编程步骤
^N^G?{EV/# sUlf4<_zW 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
(m'-1wX. #HV5M1mb 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
H5 z1_O_+ r[(;J0= 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
Gy\]j (l%?YME 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;
68j1svz9 ,<
g%}P/ 5、 添加代码,编译运行程序。
HN7tIz@Frc /k/X[/WO 三、程序代码
C&yZ` [K C<=rnIf' ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
%.d.h;^T #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
m]V#fRC #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
\d;)U4__! #if _MSC_VER > 1000
+IS6l*_y>6 #pragma once
)P7ep #endif // _MSC_VER > 1000
.I>rX#aNt #ifndef __AFXWIN_H__
'dWUE- #error include 'stdafx.h' before including this file for PCH
)Lz
=[e #endif
xS UpVK #include "resource.h" // main symbols
A5j?Yts class CHookApp : public CWinApp
J&j5@ {
by+xK~> public:
LilK6K CHookApp();
H<|}pZ // Overrides
(-$5YKm // ClassWizard generated virtual function overrides
bVz<8b6h'- //{{AFX_VIRTUAL(CHookApp)
+c/!R|h=S public:
693"Pg8b virtual BOOL InitInstance();
2->Lz virtual int ExitInstance();
SZT n=\ //}}AFX_VIRTUAL
p0W<K //{{AFX_MSG(CHookApp)
v'
t'{g% // NOTE - the ClassWizard will add and remove member functions here.
;.AMP$o`(Y // DO NOT EDIT what you see in these blocks of generated code !
m!KEK\5M? //}}AFX_MSG
NxF:s,a6 DECLARE_MESSAGE_MAP()
W! $U{= };
|Ogh-<|< LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
1qR$ Yr\ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
v)np.j0V7 BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
E
G+/2o+W BOOL InitHotkey();
&OJ?Za@p@) BOOL UnInit();
hY!ek;/Gc #endif
6~sU[thGW M@KQOAzt //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
l@&-be #include "stdafx.h"
0S:&wb #include "hook.h"
,y'6vW`%g9 #include <windowsx.h>
+EjXoW7V #ifdef _DEBUG
C)c*s C5N #define new DEBUG_NEW
)PvnB=wy #undef THIS_FILE
7 q!==P= static char THIS_FILE[] = __FILE__;
$(gL#"T #endif
7zx
xO|p[ #define MAX_KEY 100
d`TiY` ! #define CTRLBIT 0x04
d BB?A~ #define ALTBIT 0x02
c/ImK`:)4a #define SHIFTBIT 0x01
cz,CL/rno #pragma data_seg("shareddata")
mxZ+r#|di HHOOK hHook =NULL;
{96MfhkeBv UINT nHookCount =0;
:[+8(~| za static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
[>mH static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
kSiyMDY- static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
k9oi8G'g~ static int KeyCount =0;
S rH::-{ static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
OD7^*j(p` #pragma data_seg()
I'BHNZO5tf HINSTANCE hins;
2FaCrc/ void VerifyWindow();
vE,^K6q0` BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
hBRi5&% //{{AFX_MSG_MAP(CHookApp)
L754odc // NOTE - the ClassWizard will add and remove mapping macros here.
;6 W[%{ // DO NOT EDIT what you see in these blocks of generated code!
Csy$1;"A //}}AFX_MSG_MAP
HI{q# END_MESSAGE_MAP()
F?tWx+N<{ q6rkp f,Tl CHookApp::CHookApp()
,+IFV {
S'^ q // TODO: add construction code here,
;o'r@4^&$R // Place all significant initialization in InitInstance
N$Ad9W?T }
5.ab/uk;M QY4;qA CHookApp theApp;
&k,DAx`rN; LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
ECi;o1hda {
7w2$?k',- BOOL bProcessed=FALSE;
V-7l+C5 if(HC_ACTION==nCode)
uvJHkAi {
tz2=l.1 if((lParam&0xc0000000)==0xc0000000){// Key up
7omHorU+ switch(wParam)
),vDn}> {
d)V8FX,t case VK_MENU:
uWKmINjv' MaskBits&=~ALTBIT;
;<m*ASM.3 break;
i$%Bo/Y
case VK_CONTROL:
lCUYE"o MaskBits&=~CTRLBIT;
!AJkd. break;
-5 case VK_SHIFT:
vGlVr.) MaskBits&=~SHIFTBIT;
(/<Nh7C1c break;
6QA`u* default: //judge the key and send message
^%zhj3# break;
sgi5dQ }
nK03x YA for(int index=0;index<MAX_KEY;index++){
smfI+Z S" if(hCallWnd[index]==NULL)
Nc(CGl: continue;
mST8+R@S if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
Lhp&RGy {
UH6 7<_mK SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
>i*,6Psl[Z bProcessed=TRUE;
UL}wGWaoG }
deaB_cjdI }
6d/Q"As }
VQqBo~ else if((lParam&0xc000ffff)==1){ //Key down
*GoTN switch(wParam)
ssLswb {
>w<w*pC case VK_MENU:
@%x2d1FS MaskBits|=ALTBIT;
nS3Aadm break;
d/yF}%0QI case VK_CONTROL:
NjZ~b/ MaskBits|=CTRLBIT;
^wWbW&<Tg break;
O=+$XPa| case VK_SHIFT:
L$3 lsu!4n MaskBits|=SHIFTBIT;
R 39_! break;
XfE9QA[ default: //judge the key and send message
R+NiIoa break;
Ws|`E`6O }
So!=uYX for(int index=0;index<MAX_KEY;index++)
2`riI*fQ {
TMMJ5\t2 if(hCallWnd[index]==NULL)
N8pL2y:R[P continue;
\mh #MMp if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
5z0VMt {
G`n
$A/9Q SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
-O\i^?lD; bProcessed=TRUE;
8 5ET$YV }
R)k\ }
I[k"I( }
:!g|pd[{ag if(!bProcessed){
v
=y
2 for(int index=0;index<MAX_KEY;index++){
;DK%!."% if(hCallWnd[index]==NULL)
,\v'%,:C continue;
D {Ol8: if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
gep#o$P SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
R6(:l;
W }
y&
yf&p }
jG7PT66>; }
Sj ~SG return CallNextHookEx( hHook, nCode, wParam, lParam );
="YGR: }
B
}%2FUv ~C%I'z' BOOL InitHotkey()
nI]EfHU {
<7Pp98si,u if(hHook!=NULL){
\fTQNF nHookCount++;
!\4B. return TRUE;
#}y8hzS$ }
?Q-Tyf$3 else
mF\!~ag| hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
A/<u>cCW if(hHook!=NULL)
]7Vg9&1` nHookCount++;
;9OhK71} return (hHook!=NULL);
TC/c5:)] }
Oh$:qu7o0& BOOL UnInit()
D`WRy}o {
|~BnE
if(nHookCount>1){
&;-zy%#l nHookCount--;
U)bv,{-q return TRUE;
,J|,wNDU!K }
`Fn"QL- BOOL unhooked = UnhookWindowsHookEx(hHook);
b`-|7<s if(unhooked==TRUE){
@5nFa~*K% nHookCount=0;
@/<UhnI hHook=NULL;
*
HKu%g }
%nY\" return unhooked;
Pt"H_SW~k }
'M >m$cCMZ aq$ hE-{28 BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
:/|"db&` {
:Mu*E5 BOOL bAdded=FALSE;
swF{}S" for(int index=0;index<MAX_KEY;index++){
t6nRg if(hCallWnd[index]==0){
P'U2hCif hCallWnd[index]=hWnd;
@ye!? % HotKey[index]=cKey;
nf
/*n HotKeyMask[index]=cMask;
p?Azn>qBa bAdded=TRUE;
lNL=Yu2p_ KeyCount++;
xW`y7Q }p break;
z/{X{+Z }
JaY"Wfc }
geR+v+B, return bAdded;
Y}c/wF7o }
hU#e\L 7 h`|04Q BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
]j*2PSJG {
TsTc3 BOOL bRemoved=FALSE;
b4_0XmL for(int index=0;index<MAX_KEY;index++){
|[>@Kk4 if(hCallWnd[index]==hWnd){
<PpvVDy3 if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
Ax=HDW} hCallWnd[index]=NULL;
>lRZvf-i HotKey[index]=0;
!B3TLeh HotKeyMask[index]=0;
R (~wSL*R> bRemoved=TRUE;
H\S)a FY[ KeyCount--;
lDYgtUKG break;
cFL~<
[>_ }
ZkbE&7Z }
8v;^jo>ug }
BNK]Os return bRemoved;
P'Rw/co }
NGc~%0n Z[. M>| void VerifyWindow()
o&q>[c {
B'}?cG] for(int i=0;i<MAX_KEY;i++){
p)IL(_X) if(hCallWnd
!=NULL){ y>a?<*Y+e
if(!IsWindow(hCallWnd)){ QadguV6|
hCallWnd=NULL; -G,}f\Cg
HotKey=0; lxhb)]c
^>
HotKeyMask=0; $"kPzo~B_
KeyCount--; lME>U_E
} T0w_d_aS
} lxL5Rit@Px
} KG'i#(u[
} .Fn|Okn^gr
hk~/W}sI
BOOL CHookApp::InitInstance() W" 5nS =d%
{ 7<yc:}9nx
AFX_MANAGE_STATE(AfxGetStaticModuleState()); LCHMh6
hins=AfxGetInstanceHandle(); (wDE!H7
InitHotkey(); `$T$483/
return CWinApp::InitInstance(); L|'^P3#7`
} >pU9}2fpT
I/dy^5@F
int CHookApp::ExitInstance() !ZBtXt#P
{ nYyhQX~]B
VerifyWindow(); @RoZd?
UnInit(); ^LMgOA(7
return CWinApp::ExitInstance(); ,'X"(tpu@
} L^+rsxR
YQ+hQ:4-
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file ]i*ucW4
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) eTuqK23
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ zK<af
#if _MSC_VER > 1000 kU<t~+
#pragma once c$g@3gL
#endif // _MSC_VER > 1000 t2N W$
-E
\fA{ sehdL
class CCaptureDlg : public CDialog 5f-b>=02
{ ^dQ{vL@9b9
// Construction Zl9@E;|=
public: L)sgW(@2
BOOL bTray; [qYr~:` -[
BOOL bRegistered; wX,V:QE
BOOL RegisterHotkey(); <g[z jV9p
UCHAR cKey; %nZl`<M
UCHAR cMask; g$nS6w|5H
void DeleteIcon(); 5'lPXKn+L
void AddIcon(); #4^d#Gj
UINT nCount; P\jGySj
void SaveBmp(); JVE\{ e)
CCaptureDlg(CWnd* pParent = NULL); // standard constructor & LE5'.s
// Dialog Data A]z*#+Sl
//{{AFX_DATA(CCaptureDlg) 7>E.0DP
enum { IDD = IDD_CAPTURE_DIALOG }; K;?D^n.
CComboBox m_Key; P-@MLIC{
BOOL m_bControl;
.Bm%
BOOL m_bAlt; [xMa^A>p
BOOL m_bShift; g*Y,.
CString m_Path; y?$DDD
CString m_Number; 6Z2 ,:j;
//}}AFX_DATA 7GgZ: $d
// ClassWizard generated virtual function overrides N^Re
//{{AFX_VIRTUAL(CCaptureDlg) EApKN@<"
public: Z>rY9VvWD
virtual BOOL PreTranslateMessage(MSG* pMsg); nr!N%Hi
protected: g52a
vG
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support aLO^>",
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); PVCoXOqh
//}}AFX_VIRTUAL @R[{
// Implementation JB_fS/I
protected: Luq4q95]
HICON m_hIcon; a{5SOe;;
// Generated message map functions #z `W ,^C
//{{AFX_MSG(CCaptureDlg) ,erw(7}'.
virtual BOOL OnInitDialog(); / ;]5X
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); ht3.e[%'b
afx_msg void OnPaint(); (`P\nnb
afx_msg HCURSOR OnQueryDragIcon(); !|cg=
virtual void OnCancel(); Jup)m/
afx_msg void OnAbout(); U ZM #O
afx_msg void OnBrowse(); j|eA*UE
afx_msg void OnChange(); *r7vDc
//}}AFX_MSG %Sr+D{B
DECLARE_MESSAGE_MAP() 7},A.q
}; =CX1jrLZ
#endif H];B?G';C
G-aR%]7$g
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file M+/xw8}a
#include "stdafx.h" 'Uok<;
#include "Capture.h" *ukyQZ9
#include "CaptureDlg.h" 6
63o
#include <windowsx.h> T{YZ`[
#pragma comment(lib,"hook.lib") MY&Jdmga
#ifdef _DEBUG IrLGAQ0
#define new DEBUG_NEW qL(Q1O!
#undef THIS_FILE }r:o8+4
static char THIS_FILE[] = __FILE__; T<AT&4
#endif tXD$HeBB?
#define IDM_SHELL WM_USER+1 bzgC+yT
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); \o9 \ikR
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); JAPr[O&
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; _VtQMg|u
class CAboutDlg : public CDialog {zdMmpQF
{ c'2d+*[
public: K1B9t{T
CAboutDlg(); MmuT~d/
// Dialog Data kB\{1;
//{{AFX_DATA(CAboutDlg) _X6'uJ
enum { IDD = IDD_ABOUTBOX }; &p0e)o~Ux
//}}AFX_DATA &d# R'Z
// ClassWizard generated virtual function overrides 8.E"[QktZ
//{{AFX_VIRTUAL(CAboutDlg) 'rQ"Dc1D
protected: A'WR!*Yt
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support .g*j]!_]
//}}AFX_VIRTUAL 7N.b-}$(
// Implementation sDY~jP[Oa
protected: IK~&`n](>
//{{AFX_MSG(CAboutDlg) [6/QUD8
//}}AFX_MSG \mqx '
DECLARE_MESSAGE_MAP() c8RJOc4X
}; em$pU*`P
y_]+;% w:
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) =OVDJ0ozZ
{ G#M)5'Q]U
//{{AFX_DATA_INIT(CAboutDlg) C0rf
//}}AFX_DATA_INIT !3ggQG!e
} NkE0S`Xf
wT1s;2 %
void CAboutDlg::DoDataExchange(CDataExchange* pDX) 2G8pDvBr
{ e~'`x38
CDialog::DoDataExchange(pDX); jN=<dq
~
//{{AFX_DATA_MAP(CAboutDlg) P&-o>mM
//}}AFX_DATA_MAP <Au2e
} iCt.rr~;V
ZzT=m*tQ&
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) s='+[*&&
//{{AFX_MSG_MAP(CAboutDlg) DL]tg[w{
// No message handlers pl[J!d.c
//}}AFX_MSG_MAP "
\$^j#o
END_MESSAGE_MAP() }[*'
yU$MB,1
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) vdQoJWuB
: CDialog(CCaptureDlg::IDD, pParent) S}m_XR]
{ V7ph^^sC}
//{{AFX_DATA_INIT(CCaptureDlg) :Mf"
m_bControl = FALSE; a QH6akH
m_bAlt = FALSE; gr=h!'m
m_bShift = FALSE; %x)bZ=An
m_Path = _T("c:\\"); M[uWX=
m_Number = _T("0 picture captured."); ==[,;g
x
nCount=0; +^)v"@,VP
bRegistered=FALSE; /@os*c|je
bTray=FALSE; +SJ.BmT
//}}AFX_DATA_INIT ,pNx(a
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 5pO|^Gj1
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); X1L@
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} Rx%S<i;9
^5mc$~1`
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) L9x-90'q,
{ v
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CDialog::DoDataExchange(pDX); !> UlvT-
//{{AFX_DATA_MAP(CCaptureDlg) {Gxe%gu6K
DDX_Control(pDX, IDC_KEY, m_Key); 7
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DDX_Check(pDX, IDC_CONTROL, m_bControl); :Pud%}'
DDX_Check(pDX, IDC_ALT, m_bAlt); c:R?da
DDX_Check(pDX, IDC_SHIFT, m_bShift); J~YT~D2L
DDX_Text(pDX, IDC_PATH, m_Path); WJ7|0qb
DDX_Text(pDX, IDC_NUMBER, m_Number); '<Z[e`/
//}}AFX_DATA_MAP ^0VL](bD>
} ?KT{H(rU
R1jl <=
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) q76POytV|
//{{AFX_MSG_MAP(CCaptureDlg) \& JZ
>h
ON_WM_SYSCOMMAND() jDzQw>TX
ON_WM_PAINT() 1Pf(.&/9_
ON_WM_QUERYDRAGICON() S_}`'Z )
ON_BN_CLICKED(ID_ABOUT, OnAbout) <@<rU:o=V
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) O5\r%&$xd
ON_BN_CLICKED(ID_CHANGE, OnChange) gN&i&%*!
//}}AFX_MSG_MAP pO]gf$
END_MESSAGE_MAP() zF&VzNR2
T U%@_vYR
BOOL CCaptureDlg::OnInitDialog() OvdT* g=8*
{ u\R?(G&
CDialog::OnInitDialog(); K}*ets1s}
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); d@%"B($nR
ASSERT(IDM_ABOUTBOX < 0xF000); =:W2NN'
CMenu* pSysMenu = GetSystemMenu(FALSE); sFU< PgV
if (pSysMenu != NULL) =TB_|`5;j
{ &H(yLd[
CString strAboutMenu; I[z:;4W}L^
strAboutMenu.LoadString(IDS_ABOUTBOX); Et>#&Nw8
if (!strAboutMenu.IsEmpty()) qTO6I5u
{ Z\0Rw>#
pSysMenu->AppendMenu(MF_SEPARATOR); 3;nOm =I
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); Bous d
} i1iP'`r
} -@To<