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:
y)+lU
jL#`CD 一、实现方法
Bjsg!^X7 \w@ "`!% 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:
,S=ur% Md1ePp] #pragma data_seg("shareddata")
oei2$uu HHOOK hHook =NULL; //钩子句柄
$+[
v17lF UINT nHookCount =0; //挂接的程序数目
6t`cY static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
5+iXOs< static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
_2S(
* static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
HY7#z2L static int KeyCount =0;
b(:U]>J static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
p#AQXIF0 #pragma data_seg()
N/N~>7f *#CUZJN\ 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
sb*)K,U ABnJ{$=n# 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:
%pImCpMR 6n$g73u<=3 BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
Z {*<Gx cKey,UCHAR cMask)
?hnxc0~P {
V82N8-l BOOL bAdded=FALSE;
h2m@Q={ for(int index=0;index<MAX_KEY;index++){
xU;;@9X if(hCallWnd[index]==0){
IpI|G!Y, hCallWnd[index]=hWnd;
qv$m5CJvK HotKey[index]=cKey;
Ya-kMUW HotKeyMask[index]=cMask;
I=9sTR) bAdded=TRUE;
w|8T6W|w KeyCount++;
jB%aHUF; break;
-1tiy.^$F }
xr1,D5 }
TKZ[H$Z return bAdded;
8iUj9r_ }
_T.k/a //删除热键
'P3jUc) BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
z[0B"f {
OS$^>1f" BOOL bRemoved=FALSE;
phqmr5s^H for(int index=0;index<MAX_KEY;index++){
QlK]2r9 if(hCallWnd[index]==hWnd){
5?1:RE(1 if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
&`Ek-b!7 hCallWnd[index]=NULL;
FkY <I]F HotKey[index]=0;
X_2pC|C HotKeyMask[index]=0;
) i=.x+Q bRemoved=TRUE;
,FDRU KeyCount--;
MON]rj7 break;
)TzQ8YpO} }
6ly`lu9 }
R&]#@PW^ }
wj<fi return bRemoved;
=/MA`> }
cCbZ* M)j.Uu &'<e9 DLL中的钩子函数如下:
8XdgtYm S!+}\* LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
eNX!EN(^ {
8t
>nL BOOL bProcessed=FALSE;
bE>"DPq if(HC_ACTION==nCode)
nb}rfd. {
-|_MC^) if((lParam&0xc0000000)==0xc0000000){// 有键松开
{>n\B~*,"C switch(wParam)
b]k9c1x {
M.?[Xpa case VK_MENU:
B6xM#) MaskBits&=~ALTBIT;
bn6WvC3? break;
<3C/t|s case VK_CONTROL:
I::|d,bR! MaskBits&=~CTRLBIT;
]YWz;Z break;
Dg
o-Os@ case VK_SHIFT:
H[D<G9: MaskBits&=~SHIFTBIT;
F;sZc,Y,^ break;
db`L0JB default: //judge the key and send message
)uu1AbT+e break;
ME.a * v }
="J *v> for(int index=0;index<MAX_KEY;index++){
xY>@GSO1 if(hCallWnd[index]==NULL)
&r)[6a$fW continue;
1V:I}~\ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
iqr/MB,W {
v,^W& W. SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
Z|$M 9E bProcessed=TRUE;
x
?24oO }
}ej>uZVe< }
&hu>yH>j }
~kFL[Asnaf else if((lParam&0xc000ffff)==1){ //有键按下
F_F02:t switch(wParam)
!8*lU2 {
wGg_ vAn case VK_MENU:
FS^~e-A MaskBits|=ALTBIT;
Ra/Pk G-7 break;
VDTt}J 8 case VK_CONTROL:
7]H<ou MaskBits|=CTRLBIT;
cB=ExD.Q break;
b|oT!s case VK_SHIFT:
,=V9? MaskBits|=SHIFTBIT;
<NXJ&xs-+ break;
XR|U6bf] default: //judge the key and send message
Gy)2 break;
z}w7X6&e }
#pcgfVl for(int index=0;index<MAX_KEY;index++){
R9\ )a2 if(hCallWnd[index]==NULL)
)k.}>0K | continue;
5XoM) if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
5y8VA4L/o {
c*.-mS~Z` SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
@L$!hTaP bProcessed=TRUE;
yQ0:M/r;0 }
G&
m~W }
we8aqEomr }
7z q@T] if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
Kv9Z.DY for(int index=0;index<MAX_KEY;index++){
6GA+xr= if(hCallWnd[index]==NULL)
ir|c<~_= continue;
Kk`LuS? if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
r4m z SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
?W2u0N //lParam的意义可看MSDN中WM_KEYDOWN部分
+}R#mco5K }
+\]Gu(z< }
)M><09 }
DS=$*
Trk return CallNextHookEx( hHook, nCode, wParam, lParam );
7@
\:l~{ }
^!fY~(=U4 m~0Kos%^*b 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:
! k 1 Ge+ @;\0cEn> BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
$b(CN+# BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
rCUGaf~ nF
B]#LLv 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
]f_`w81[ h0$Y;=YA LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
6EeO\Qj{ {
eG7Yyz+t$ if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
9l(T>B2a {
vUCmm<y //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
;5DDV6 SaveBmp();
aW-6$=W return FALSE;
Wdi`ZE }
tI)|y?q …… //其它处理及默认处理
_n1[(I }
'o~gT ;T# Al=ByX @ B"8jEYT5 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。
T'{9!By,P 1yVhO2`7] 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。
w2db=9 j#0JD!Vr 二、编程步骤
||?@pn\ 1ktxG1"1 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";
$<AaeyR!N Q':hmulT! 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
=*1NVi $n e3ce?gk 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
Lw2VdFi>E& |]?zH~L 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
&r\8VEZq" L0oVXmlr 5、 添加代码,编译运行程序。
|Ve,Y VD<z]@ 三、程序代码
G[1\5dK*uR ?}uuTNLl) ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
tva=DS #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
NBHpM}1xtU #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
C~R
?iZ.&U #if _MSC_VER > 1000
f,4erTBH #pragma once
. P+Qu
#endif // _MSC_VER > 1000
MqJ5|C.q #ifndef __AFXWIN_H__
+IO>% #error include 'stdafx.h' before including this file for PCH
H8B$#. #endif
z:4_f:70 #include "resource.h" // main symbols
GC:q6} class CHookApp : public CWinApp
@$~IPg[J {
em'ADRxG+ public:
-]+pwZ4g CHookApp();
"F%JZO51 // Overrides
M~N/er // ClassWizard generated virtual function overrides
SnR2o3r-Of //{{AFX_VIRTUAL(CHookApp)
U(#JC(E-# public:
G bclR:G virtual BOOL InitInstance();
S'5Zy}
+x virtual int ExitInstance();
G:p85k` //}}AFX_VIRTUAL
0Ni{UV?
k //{{AFX_MSG(CHookApp)
8xg^="OJ // NOTE - the ClassWizard will add and remove member functions here.
*mVg_Kl // DO NOT EDIT what you see in these blocks of generated code !
MXa^g" //}}AFX_MSG
s M*ay,v; DECLARE_MESSAGE_MAP()
#=={h?UDT };
/0 4US5En LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
u>n"FL'e BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
+D:8r|evH BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
O`Gq7=X BOOL InitHotkey();
vaGF(hfTA BOOL UnInit();
N@L{9ak1 #endif
e"52'zAV- ~7 U~ //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
r4fHD~#l{ #include "stdafx.h"
c(e>Rmh #include "hook.h"
>W;NMcN~ #include <windowsx.h>
a5GLbanF #ifdef _DEBUG
#
)y/aA #define new DEBUG_NEW
[ r8 ZAS #undef THIS_FILE
U!`iKy- static char THIS_FILE[] = __FILE__;
B+snHabS6 #endif
!TJ,:c]4{! #define MAX_KEY 100
C!a1.&HHZ7 #define CTRLBIT 0x04
9&5<ZC-D #define ALTBIT 0x02
".tL+A[ #define SHIFTBIT 0x01
@(~:JP?KNC #pragma data_seg("shareddata")
UhpJG O HHOOK hHook =NULL;
s0^(yEcq UINT nHookCount =0;
,_fz)@) static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
4a"Fu<q static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
u}gavG l static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
AoeRoqg static int KeyCount =0;
3_~iq>l static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
\7uM5 k}l #pragma data_seg()
lU%}_!tp3/ HINSTANCE hins;
L]|mWyzT void VerifyWindow();
:t]HY2 BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
Pps-,*m //{{AFX_MSG_MAP(CHookApp)
e[fOm0^.c // NOTE - the ClassWizard will add and remove mapping macros here.
*B"Y]6$ // DO NOT EDIT what you see in these blocks of generated code!
Z(T{K\)uN //}}AFX_MSG_MAP
v$W[( END_MESSAGE_MAP()
J6AHc"k. j
0pI CHookApp::CHookApp()
[YfoQ1 {
N);w~)MYh // TODO: add construction code here,
~DI$O[KpR% // Place all significant initialization in InitInstance
:Iv;%a0 - }
UnF8#~ "(^XZAU#W CHookApp theApp;
(Z
SaAn), LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
"|L"C+tE {
*iEtXv BOOL bProcessed=FALSE;
a+E&{pV if(HC_ACTION==nCode)
Ve3z5d:^ {
UtQey ;w if((lParam&0xc0000000)==0xc0000000){// Key up
ir6'
\ switch(wParam)
>sfg`4 {
>H!Mx_fDL case VK_MENU:
BVNW1<_: MaskBits&=~ALTBIT;
V@G#U[D break;
N8b\OTk2 case VK_CONTROL:
6!ve6ZB[p MaskBits&=~CTRLBIT;
K Lg1(W( break;
qk1j mr case VK_SHIFT:
`za,sRFR MaskBits&=~SHIFTBIT;
g[3LPKQ break;
]R#:Bq!F default: //judge the key and send message
DAB9-[y+ break;
[|DKBJ }
8AuBs;i for(int index=0;index<MAX_KEY;index++){
#]kjyT0 if(hCallWnd[index]==NULL)
ttzNv>L, continue;
aa`(2%(: if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
"6$V1B0KW {
h'):/}JPl SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
'4[=*!hs! bProcessed=TRUE;
G^~[|a4` }
;Y$>WKsV }
6Dlm.~G }
sjr,)|#[ else if((lParam&0xc000ffff)==1){ //Key down
<W80A J switch(wParam)
{r,Uik-nL {
BBB@M case VK_MENU:
J:L+q}A MaskBits|=ALTBIT;
\k.`xG? break;
Tlsh[@Q case VK_CONTROL:
)/H;5 cn MaskBits|=CTRLBIT;
`@~e<s`j break;
%ou,|Dww case VK_SHIFT:
LL^KZ- MaskBits|=SHIFTBIT;
6#?T?!vZ break;
b(H{i}{] default: //judge the key and send message
Ps!MpdcL3 break;
9%/hoA) }
Z/#_Swv for(int index=0;index<MAX_KEY;index++)
};/QK* {
'cW^ S7 if(hCallWnd[index]==NULL)
B$4*U"tk continue;
Jl
Do_} if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
-8TJ:#|N {
`g)}jo`W SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
[XfR`@ bProcessed=TRUE;
ToXWFX }
6>>; fy2 }
CRb8WD6. }
_bFUr if(!bProcessed){
;[v!#+yml for(int index=0;index<MAX_KEY;index++){
ejROJXB if(hCallWnd[index]==NULL)
')X(P> continue;
K:PH:e if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
^9g$/8[^c_ SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
3[YG
BM( }
}u Y2-l }
t&r.Kf9Z\ }
dGIdSQ~ _ return CallNextHookEx( hHook, nCode, wParam, lParam );
"[ bkdL< }
b+rxin". i]JTKL{\q BOOL InitHotkey()
XHr*Rs.[= {
Njq}M/{U if(hHook!=NULL){
44]s`QyG nHookCount++;
]%\,.&=hT return TRUE;
615Ya<3f8 }
*Rgr4-eS else
!ifU}qFzK hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
,+=9Rp`md if(hHook!=NULL)
,/;Aew; nHookCount++;
x.Sf B[SZ return (hHook!=NULL);
i'>6Qo }
zp:dArh0 BOOL UnInit()
qt"D!S_ {
A2_ut6&eb if(nHookCount>1){
l=@ B 'a nHookCount--;
=u.@W98, K return TRUE;
XlmX3RU }
5E!C?dv(z BOOL unhooked = UnhookWindowsHookEx(hHook);
OgQdyU if(unhooked==TRUE){
]?9*Vr:P^ nHookCount=0;
e~r/!B5X hHook=NULL;
XJ18(Q|w' }
=|t-0'RsN return unhooked;
&?<uR)tl }
X Xque- (lk9](;L BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
Z}W{ iD{ {
fr17|#L+s BOOL bAdded=FALSE;
h\s/rZg=r for(int index=0;index<MAX_KEY;index++){
]#tB[G if(hCallWnd[index]==0){
:4ryi&Y hCallWnd[index]=hWnd;
z7K{ ,y HotKey[index]=cKey;
(q)}`1d' HotKeyMask[index]=cMask;
P/%7kD@5; bAdded=TRUE;
DfXkLOGik KeyCount++;
^T=9j.e'ja break;
^y+k6bE }
|OeyPD# }
5ggyk0 return bAdded;
$?= $F }
]so/AdT9hA crmQn ^4\ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
uEPp%&D.+ {
?<?Ogq"< BOOL bRemoved=FALSE;
c&['T+X for(int index=0;index<MAX_KEY;index++){
o9kJ90{D= if(hCallWnd[index]==hWnd){
bnxp[Qk|5 if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
iZGbNN hCallWnd[index]=NULL;
H2X_WSwm HotKey[index]=0;
)nUdU
= m HotKeyMask[index]=0;
L+t
/
E` bRemoved=TRUE;
-[mmT'sS KeyCount--;
E=NjWO break;
l`v5e"V }
2&6D`{"P }
HQ-[k$d
W4 }
lrrTeE* return bRemoved;
p=+Y7NE) }
#MC#K{Xd 5Tsz|k void VerifyWindow()
oj 8r* {
\f,<\mJ#
for(int i=0;i<MAX_KEY;i++){
LkbD='\= if(hCallWnd
!=NULL){ e=Ox~2S
if(!IsWindow(hCallWnd)){ $tlBI:ay1
hCallWnd=NULL; ^ AZ#tp%)
HotKey=0; b8!oZ~K
HotKeyMask=0; 6
AO(A
*
KeyCount--; 2;)IBvK
} /xn|d#4
} 2> a&m>
} ,xwiJfG;
]
} \kE0h\
ys=2!P-[#
BOOL CHookApp::InitInstance() 175e:\Tw
{ %1&X+s3
AFX_MANAGE_STATE(AfxGetStaticModuleState()); G^'We6<
hins=AfxGetInstanceHandle(); g;l K34{
InitHotkey(); kNuvJ/St
return CWinApp::InitInstance(); ^-%'ItVO
} 8vx
ca]DcV
w1Bkz\95
int CHookApp::ExitInstance() ~-"CU:$o
{ r^k+D<k[7
VerifyWindow(); LWr YKi
UnInit(); enk`I$Xx
return CWinApp::ExitInstance(); _'p/8K5)=
} fR1LVLU
r1~W(r.x
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file G}U <^]c
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) :EW1I>}_
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ :ok.[q
#if _MSC_VER > 1000 $YJ 1P
#pragma once <*vR_?!
#endif // _MSC_VER > 1000 .1(_7!m@
<gPM/4$G
class CCaptureDlg : public CDialog C\{A|'l!x
{ 8{Wl
// Construction :@(1~Hm
public: "]3o933D
BOOL bTray; ,RV>F_
BOOL bRegistered; }a OBQsnO
BOOL RegisterHotkey(); 0}GO$%l
UCHAR cKey; hq"nRH
UCHAR cMask; o^@#pU <
void DeleteIcon(); [__P-h{J
void AddIcon(); H2iIBGu|L
UINT nCount; &q&z$Gc;m
void SaveBmp(); Ew4D';&;
CCaptureDlg(CWnd* pParent = NULL); // standard constructor rvx2{1}I
// Dialog Data .joC ZKO
//{{AFX_DATA(CCaptureDlg) iK2f]h
enum { IDD = IDD_CAPTURE_DIALOG }; !" FEp
CComboBox m_Key; |>P:R4P
BOOL m_bControl; 0~<?*{~
BOOL m_bAlt; h0-.9ym
BOOL m_bShift; 46M=R-7=
CString m_Path; Ri"rT] '
CString m_Number; ^WU[+H ;
//}}AFX_DATA R;,5LS&*a
// ClassWizard generated virtual function overrides shGUG;
//{{AFX_VIRTUAL(CCaptureDlg) _I)TO_L;
public: uv5NqL&
virtual BOOL PreTranslateMessage(MSG* pMsg); q'fOlq
protected: RJ'za1@z;b
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support "r`2V-E
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); c}v8j2{
//}}AFX_VIRTUAL CUB;0J(
// Implementation 5>dA7j^v
protected: [cFD\"gJAr
HICON m_hIcon; bv41et+Kb
// Generated message map functions 9~^k3!>0
//{{AFX_MSG(CCaptureDlg) _R0O9sPTO
virtual BOOL OnInitDialog(); irh Z
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); 2K3j3 |T
afx_msg void OnPaint(); l _2Xao$
afx_msg HCURSOR OnQueryDragIcon(); &n]v
virtual void OnCancel(); -7oIphJ=\
afx_msg void OnAbout(); Z9H2! Cp
afx_msg void OnBrowse(); ^0"fPG`
afx_msg void OnChange(); DmWa!5
//}}AFX_MSG S^q^=q0F
DECLARE_MESSAGE_MAP() m
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}; "cS7E5-|
#endif 0^L:`[W+
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////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file ;"f9"
#include "stdafx.h" &'neOf/~
#include "Capture.h" R,7.o4Wt
#include "CaptureDlg.h" zp4@T)
#include <windowsx.h> lX.1B&T9Lr
#pragma comment(lib,"hook.lib") |-v/
#ifdef _DEBUG UU}Hs}
#define new DEBUG_NEW {OQ)Np!
#undef THIS_FILE )-XD=
]
static char THIS_FILE[] = __FILE__; <`q-#-V@
#endif gjiS+N[
#define IDM_SHELL WM_USER+1 R
{-M%n4w
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); lib^JJF
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); >!PM5%G
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; Yjy%MR
class CAboutDlg : public CDialog sj+ )
{ F)l1%FCm
public: 'D[ *|Qcy
CAboutDlg(); 0/fwAp
// Dialog Data 5s0`T]X-
//{{AFX_DATA(CAboutDlg) wd,6/5=lh
enum { IDD = IDD_ABOUTBOX }; / H GPy
//}}AFX_DATA t }K8{
V
// ClassWizard generated virtual function overrides @Us#c 7/
//{{AFX_VIRTUAL(CAboutDlg) '*U_!RmQ
protected: \*fXPJ4
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support %Zeb#//Jz
//}}AFX_VIRTUAL 3ug>,1:6-
// Implementation %~dn5t;
protected: P=ubCS'
//{{AFX_MSG(CAboutDlg) gsIp y
//}}AFX_MSG mphs^k< Z
DECLARE_MESSAGE_MAP() r-hb]!t
}; 47&p*=
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CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) YRaF@?^Gn
{ C;Kq_/l
//{{AFX_DATA_INIT(CAboutDlg) %u?A>$Jn
//}}AFX_DATA_INIT SR4 mbQ:
} -9 |)O:
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void CAboutDlg::DoDataExchange(CDataExchange* pDX) @Y%i`}T%(
{ p13y`sU=
CDialog::DoDataExchange(pDX); ^Y"|2 :
//{{AFX_DATA_MAP(CAboutDlg) L3S29-T
//}}AFX_DATA_MAP C7l4X8\w
} }F_=.w0
)uCa]IR
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) 9 KU3)%U
//{{AFX_MSG_MAP(CAboutDlg) U@".XIDQ
// No message handlers W
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//}}AFX_MSG_MAP VkC1\L6
END_MESSAGE_MAP() gue~aqtJ
()_^:WQO?
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) O2~Q(q'
: CDialog(CCaptureDlg::IDD, pParent) D'Kiy
{ wemhP8!gc
//{{AFX_DATA_INIT(CCaptureDlg) {>yy3(N
m_bControl = FALSE; a/~1CrYr
m_bAlt = FALSE; ib(4Y%U6~
m_bShift = FALSE; d`xDv$QZ
m_Path = _T("c:\\"); Q/l388'
m_Number = _T("0 picture captured."); ZY)&Fam}
nCount=0;
{u$<-W-&
bRegistered=FALSE; #@cEJV;5"
bTray=FALSE; Tu=~iQ
//}}AFX_DATA_INIT :w9s bW
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 Ix.Y_}
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); t|59/R
} }ho6
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void CCaptureDlg::DoDataExchange(CDataExchange* pDX) o[k,{`M0
{ 'q{d? K
CDialog::DoDataExchange(pDX); oazy%n(KZ
//{{AFX_DATA_MAP(CCaptureDlg) Nj}-"R\u
DDX_Control(pDX, IDC_KEY, m_Key); $_u)~O4$
DDX_Check(pDX, IDC_CONTROL, m_bControl); !@f!4n.e|I
DDX_Check(pDX, IDC_ALT, m_bAlt); _vOSOnU
DDX_Check(pDX, IDC_SHIFT, m_bShift); bP1]:^ x@W
DDX_Text(pDX, IDC_PATH, m_Path); e8hwXz
DDX_Text(pDX, IDC_NUMBER, m_Number); z?g\w6
//}}AFX_DATA_MAP ,M9Hdm
} g:[yA{Eh
0'II6,:
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) j7=x&)qbx
//{{AFX_MSG_MAP(CCaptureDlg) dJ=z'?|%g
ON_WM_SYSCOMMAND() `>\>'V<&
ON_WM_PAINT() X[$FjKZh=F
ON_WM_QUERYDRAGICON() L[}Ak1 A
ON_BN_CLICKED(ID_ABOUT, OnAbout) 6cTd
SE
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) 9Z. WR-}
ON_BN_CLICKED(ID_CHANGE, OnChange) {GQRJ8m
//}}AFX_MSG_MAP %g=SkQ&d
END_MESSAGE_MAP() F44KbUH
hdy
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BOOL CCaptureDlg::OnInitDialog() Xs$UpQo
{ 0)9'x)l:
CDialog::OnInitDialog();
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ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); aF:|MTC(~
ASSERT(IDM_ABOUTBOX < 0xF000); W< :7z
CMenu* pSysMenu = GetSystemMenu(FALSE);
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if (pSysMenu != NULL) f VpE&F
{ (-hGb:
CString strAboutMenu; 5c6?$v/
strAboutMenu.LoadString(IDS_ABOUTBOX); yxL(mt8
if (!strAboutMenu.IsEmpty()) HpR(DG)
?
{ nB#XQ8Nzx^
pSysMenu->AppendMenu(MF_SEPARATOR); E9v_6d[
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); F@kd[>/[
} =
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} s92SN F}g
SetIcon(m_hIcon, TRUE); // Set big icon 2sahb#e
)
SetIcon(m_hIcon, FALSE); // Set small icon .L))EB
m_Key.SetCurSel(0); 9\a;75a
RegisterHotkey(); uxD$dd?
CMenu* pMenu=GetSystemMenu(FALSE); .a]9 rQQ&_
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); L
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pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); I@o42% w2
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); Eh|v>Yew
return TRUE; // return TRUE unless you set the focus to a control "DU1k6XC
} &bT \4
cP`[/5R
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) S3.76&
{ ynU20g
if ((nID & 0xFFF0) == IDM_ABOUTBOX) o@A|Lm.
{ !5=S2<UX
CAboutDlg dlgAbout; [W*Q~Wvp
dlgAbout.DoModal(); KBy*QA
} _!Ir|j.A
else oS Apa
{ LV!<vakCK
CDialog::OnSysCommand(nID, lParam); @;ob 4sU
} OVa38Aucr3
} K%RjWX=H
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void CCaptureDlg::OnPaint() *_CzCl^
{ xJ|_R,>.H
if (IsIconic()) 0`%Ask
{ We?cRb
CPaintDC dc(this); // device context for painting .Arcsg
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); xdkC>o4>
// Center icon in client rectangle u#~q86k
int cxIcon = GetSystemMetrics(SM_CXICON); K *xca(6
int cyIcon = GetSystemMetrics(SM_CYICON); ,7mB`0j>
CRect rect; \9`76*X6
c
GetClientRect(&rect); 9KGi%UIFvn
int x = (rect.Width() - cxIcon + 1) / 2; Va3/#is'
int y = (rect.Height() - cyIcon + 1) / 2; t @vb3
// Draw the icon IJ#+"(?7,u
dc.DrawIcon(x, y, m_hIcon); Auk#pO#
} d@e2+3<
else P1I L]
{ {'$+?V"&
CDialog::OnPaint(); rs+
["h
} q>Kzl/~c.P
} n>\2_$uDI
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HCURSOR CCaptureDlg::OnQueryDragIcon() o#=@!m
{ t)4AQ
return (HCURSOR) m_hIcon; vj hh4$k
} <%GfF![v
>dYN@cB$}
void CCaptureDlg::OnCancel() W~qVZ(G*U
{ y';"tD Fb
if(bTray) K4K]oT
DeleteIcon(); W 2T6JFv
CDialog::OnCancel(); c=#V*<
} :oO
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"1|\V.>>;
void CCaptureDlg::OnAbout() O"V;otlC
{ -0f,qNF
CAboutDlg dlg; ZYo?b"6A
dlg.DoModal(); s5
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} $
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