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:
F^yW3|Sb
2LwJ%! 一、实现方法
]@&X*~c^Z DK IH{:L7 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:
V?u#WJy/ d &#_t@% #pragma data_seg("shareddata")
v~nKO?{
HHOOK hHook =NULL; //钩子句柄
GcVQz[E UINT nHookCount =0; //挂接的程序数目
NI V}hf YF static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
#fuUAbU0X static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
v"G1vSx)BT static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
iq; |
i! static int KeyCount =0;
75# 8P?i static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
{D4FYr
J #pragma data_seg()
6@N,'a8r 0JlNUO5Nt 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。
3( BL X0.H(p#s 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:
/ Q1*Vh4 '}Fe&% BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
yfG;OnkZ cKey,UCHAR cMask)
46:<[0Psl/ {
uH[WlZ4 BOOL bAdded=FALSE;
ppAbG,7 for(int index=0;index<MAX_KEY;index++){
0?7yM:!l if(hCallWnd[index]==0){
"V|Rq]_+% hCallWnd[index]=hWnd;
V\L;EHtc$ HotKey[index]=cKey;
is<:}z HotKeyMask[index]=cMask;
P<]U bAdded=TRUE;
.WF"vUp KeyCount++;
kKyU?/aj break;
b"I#\;Ym }
M)bQvjj }
cgb>Naa< return bAdded;
mfraw2H }
"DW ~E\Y //删除热键
X7*F~LFrj BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
46C%at
M0} {
._}}@V_/ BOOL bRemoved=FALSE;
u[GZ~L for(int index=0;index<MAX_KEY;index++){
WcN4ff- if(hCallWnd[index]==hWnd){
Af|h*V4Xu if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
-<g9) CV5 hCallWnd[index]=NULL;
(p{X.X+ HotKey[index]=0;
7[m+r:y HotKeyMask[index]=0;
0+>g/> bRemoved=TRUE;
`d_T3^ayu KeyCount--;
'Ea3(OsuXn break;
fCY|iO0.t }
n8,%<!F^ }
Px_8lB/; }
gT)(RS`_) return bRemoved;
lJK]S=cd }
tia}&9; Ic/hVKYG5 J}V4.R5d DLL中的钩子函数如下:
aq?bI:>8 9)!Ksg(h LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
AwJg/VBo) {
8SjCU+V BOOL bProcessed=FALSE;
Id=20og if(HC_ACTION==nCode)
iJTG+gx {
/~"-q if((lParam&0xc0000000)==0xc0000000){// 有键松开
.eJKIck switch(wParam)
i/X3k& {
%KyZ15_(-L case VK_MENU:
%xgP*%Sv2 MaskBits&=~ALTBIT;
4&*lpl*N break;
~>:JwTy case VK_CONTROL:
Oc)n,D)0 MaskBits&=~CTRLBIT;
:,8y8z$+ break;
3!P^?[p3 case VK_SHIFT:
48xgl1R(j MaskBits&=~SHIFTBIT;
iA[T'+.Y break;
2"6L\8hd2 default: //judge the key and send message
oiyvKMHz7 break;
QytO0K5
}
sUF$eVAT for(int index=0;index<MAX_KEY;index++){
h[(YH ;Y if(hCallWnd[index]==NULL)
WAn@8!9 continue;
|r@;ulO if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
O@$>'Z {
"@x(2(Y& SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
+wQ5m8E bProcessed=TRUE;
Ec7xwPk }
r9f- [wC }
\9+,ynJH8z }
I"]E}n d) else if((lParam&0xc000ffff)==1){ //有键按下
YdI6|o@vc switch(wParam)
HS=w9:, {
NZGO8u case VK_MENU:
gc4o
|x MaskBits|=ALTBIT;
R&uPoY,f break;
7] y3<t case VK_CONTROL:
/qQx~doK MaskBits|=CTRLBIT;
ihkZs3} break;
Gb^63.} case VK_SHIFT:
i3 js'?7E MaskBits|=SHIFTBIT;
h),;j`PrC break;
IsE&k2 SD default: //judge the key and send message
{tVA(&\< break;
wG O-Z']i }
H;=yR]E for(int index=0;index<MAX_KEY;index++){
Yyk~!G/@ if(hCallWnd[index]==NULL)
J.~@j;[2 continue;
}Z <I%GT if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
1^k}GXsWmE {
l<_v3/3 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
!+$qSD,%x bProcessed=TRUE;
hx^@aI }
i%yKyfD }
+HE,Q6-A }
Yte*$cJ= if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
(
%sfwv for(int index=0;index<MAX_KEY;index++){
1XS~b-St if(hCallWnd[index]==NULL)
%Vo'\| continue;
$Y/z+ea if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
2K~v`c*4 SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
{:cGt2*~^ //lParam的意义可看MSDN中WM_KEYDOWN部分
pll5m7[ }
Z{3=.z{&^= }
55v=Ij?M }
TrDTay return CallNextHookEx( hHook, nCode, wParam, lParam );
J#d,? }
0,0WdJAe y1`%3\ 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
T3b0"o27 3B#fnj BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
9Zx| L/\ BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
A7QT4h&6 1drg5 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
K`=U5vG^ q4:zr
LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
"4XjABJ4' {
!@V]H if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
#cR5k@ {
41R~.? //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
" "`z3- SaveBmp();
qA}l[:F+# return FALSE;
, wk}[MF }
dhLd2WSyH …… //其它处理及默认处理
# wn>S< }
_WV13pnRu G>dXK,f<B0 m<Gd 6V5 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
s#~VN;-I :Nz
TEK 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
%m|BXyf]_B @>`N%wH' 二、编程步骤
FkMM>X J;fbE8x 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
6T"5,Q</h FkaQVT 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
)m-(- I *4 m]UK 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
BDp(&=ktq axG%@5 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
ddYb=L+_b B <Jxj 5、 添加代码,编译运行程序。
RCkmxO;b& <MxA;A 三、程序代码
({4?RtYm "97sH_
, ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
1\TkI=N3 #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
B
\V;{: #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
.Sm 8t$ #if _MSC_VER > 1000
$7-4pW$y #pragma once
Ow0~sFz #endif // _MSC_VER > 1000
$jC+oYXj #ifndef __AFXWIN_H__
D<Z\6)|%I #error include 'stdafx.h' before including this file for PCH
Lxa<zy~b #endif
RG1#\d-fE #include "resource.h" // main symbols
sI)jqHZG class CHookApp : public CWinApp
#;2kN
& {
]<},[s public:
7CT446 CHookApp();
.j!:Hp(z} // Overrides
gd)VL}k // ClassWizard generated virtual function overrides
5"#xbvRS0H //{{AFX_VIRTUAL(CHookApp)
&S^a_L: public:
H8c -/ virtual BOOL InitInstance();
|$T?P*pI. virtual int ExitInstance();
BQMo*I>I //}}AFX_VIRTUAL
q|.0Ja //{{AFX_MSG(CHookApp)
@M*5q# s // NOTE - the ClassWizard will add and remove member functions here.
ud(w0eX // DO NOT EDIT what you see in these blocks of generated code !
en MHKN g //}}AFX_MSG
Zf)<)o* DECLARE_MESSAGE_MAP()
<.|]%7 };
-P]onD
LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
O|;|7fCB\ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
T.!.3B$@] BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
: 2L-Nf BOOL InitHotkey();
`?N|{kb BOOL UnInit();
P\X$fD #endif
_hB7;N3 r^d:Po //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
X)Rh&ui #include "stdafx.h"
O sIvW'$\ #include "hook.h"
&53LJlL
Co #include <windowsx.h>
G*VcAJ[ #ifdef _DEBUG
E-rGOm" m #define new DEBUG_NEW
=HoA2,R) #undef THIS_FILE
b<g9L4s static char THIS_FILE[] = __FILE__;
h>NuQo* #endif
*fDhNmQ ` #define MAX_KEY 100
]T<RC\o #define CTRLBIT 0x04
:as2fO$? #define ALTBIT 0x02
g dBH\K (\ #define SHIFTBIT 0x01
}5gQ dj[Y #pragma data_seg("shareddata")
CIt@xi#I HHOOK hHook =NULL;
p6{8t} UINT nHookCount =0;
jivGkIj!8 static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
O~bzTn static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
M-f; ,> static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
x8rp Z static int KeyCount =0;
}!vJ+ static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
mVyF M -` #pragma data_seg()
_`]YWvh HINSTANCE hins;
^^*dHWHn< void VerifyWindow();
ID=^497
BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
WGMEZx //{{AFX_MSG_MAP(CHookApp)
%xwdH4_ // NOTE - the ClassWizard will add and remove mapping macros here.
PwxRu // DO NOT EDIT what you see in these blocks of generated code!
"IdN *K //}}AFX_MSG_MAP
JLxAk14lc END_MESSAGE_MAP()
gM#]o QOGE wtro'r3 CHookApp::CHookApp()
4q^'MZm1 {
DmpD`^?-L // TODO: add construction code here,
#F >R5 D // Place all significant initialization in InitInstance
mvW,nM1Y }
G
Y ]bw NHzhGg] CHookApp theApp;
~LN
{5zg LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
AtlUxFX0S {
Rp""&0 BOOL bProcessed=FALSE;
U{.y X7 if(HC_ACTION==nCode)
|NWo.j>4- {
}W* q if((lParam&0xc0000000)==0xc0000000){// Key up
lZ }H?n% switch(wParam)
*1b)Va8v* {
m:{IVvN_ case VK_MENU:
h-:te9p6>4 MaskBits&=~ALTBIT;
&Ukh break;
_"c?[n case VK_CONTROL:
PeB7Q=d)K1 MaskBits&=~CTRLBIT;
Zut"P3d=J break;
U>
1v oc case VK_SHIFT:
@ * *]o MaskBits&=~SHIFTBIT;
B"I^hrQ break;
S_56! default: //judge the key and send message
+(|
,Ke break;
NXDuO_# }
zH+a*R for(int index=0;index<MAX_KEY;index++){
3 At%TA: if(hCallWnd[index]==NULL)
},G5!3 continue;
gflu!C6 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
LYyOcb[x {
.~dNzonq SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
;JQ;LbEn bProcessed=TRUE;
qm=N@@R& }
EAXbbcV }
z7g=L@ }
=?gB@vS else if((lParam&0xc000ffff)==1){ //Key down
Qc]Ki3ls switch(wParam)
6` @4i'. {
%oE3q>S$en case VK_MENU:
r5g:#mF" MaskBits|=ALTBIT;
#Rcb
iV*M break;
N3g\X case VK_CONTROL:
5ki<1{aVtZ MaskBits|=CTRLBIT;
KI{B<S3*Z break;
h#rziZ( case VK_SHIFT:
E#m|Sq MaskBits|=SHIFTBIT;
vCS D1~V_ break;
P<A_7Ho default: //judge the key and send message
2^$Ha| break;
`8D}\w<eI }
'l*p!= for(int index=0;index<MAX_KEY;index++)
S
7 *LV; {
s xp>9& if(hCallWnd[index]==NULL)
'9d]
B^)F continue;
8C>\!lW" if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
fC$(l@O? {
3c.,T SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
aaODj> bProcessed=TRUE;
V1Opp8 }
0B?t:XU , }
TmIw?#q^ }
B)}.%G* if(!bProcessed){
`suEN@^ for(int index=0;index<MAX_KEY;index++){
U}2b{ if(hCallWnd[index]==NULL)
&;]KntxB continue;
R-V4Ju[: if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
I8:A] SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
yvp$s }
U sS"WflB }
HJeZm }
eQqx0+-0c return CallNextHookEx( hHook, nCode, wParam, lParam );
w[X/|O }
qmx4hs8sh s/0S]P]}f BOOL InitHotkey()
W2F *+M {
#XPY\n^k if(hHook!=NULL){
)D"E] nHookCount++;
<UC_QPA\ return TRUE;
xaG( 3 }
qlgo#[i else
p,K]`pt= hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
Q=~*oYR if(hHook!=NULL)
QpZCU] nHookCount++;
dF<GuS;l5 return (hHook!=NULL);
$)6%LG_@ }
Hlj_oDL BOOL UnInit()
lOuO~`,J {
U+FI^Xrt# if(nHookCount>1){
_8I\! nHookCount--;
u?B9zt%$-m return TRUE;
-)LiL }
o1zKns? BOOL unhooked = UnhookWindowsHookEx(hHook);
mW&hUPRx if(unhooked==TRUE){
qRnD{g|{1 nHookCount=0;
@nOj6b hHook=NULL;
E6Uiw]3 }
O4.`N?Xq return unhooked;
GLE/ 1 }
7`_`V&3s MGU%"7i'} BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
.L#U^H| {
iVe"iH BOOL bAdded=FALSE;
?|NMJQsa7 for(int index=0;index<MAX_KEY;index++){
'NYW`, if(hCallWnd[index]==0){
U1^3 &N8 hCallWnd[index]=hWnd;
6I!B>V#U+ HotKey[index]=cKey;
J':x]_; HotKeyMask[index]=cMask;
O-jpS?@ bAdded=TRUE;
3JJEj1O KeyCount++;
@zGz8IF break;
=)mA.j}E2 }
O=E?m=FR" }
wFX>y^ 1 return bAdded;
:'0. }
sRkPXzK x=%wPVJ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
tEFbL~n {
b[s=FH]#N BOOL bRemoved=FALSE;
>#Ue`)d`aY for(int index=0;index<MAX_KEY;index++){
u]uZc~T if(hCallWnd[index]==hWnd){
0 F-db if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
;\48Q; hCallWnd[index]=NULL;
o@47WD'm HotKey[index]=0;
J[ 7Sf^r HotKeyMask[index]=0;
p38RgEf bRemoved=TRUE;
UsQh+W"? KeyCount--;
E,p4R%:$@1 break;
PyQ
P K, }
/k O
<o& }
0n-S%e5 }
>,}SP; return bRemoved;
&\>. j| }
RoYwZX~ rMEM$1vPU void VerifyWindow()
@b{I0+li"/ {
3K{G =WE$ for(int i=0;i<MAX_KEY;i++){
6s(.ul if(hCallWnd
!=NULL){ %&}gt+L(M
if(!IsWindow(hCallWnd)){ fZka$
4
hCallWnd=NULL; vMv?
fE"
HotKey=0; f)#rBAkt
HotKeyMask=0; w)7 s]Ld
KeyCount--; 9[,+4&wX7
} q'1
86L87
} 8ZL9>"%l
} X(M|T]`b:
} G{]tB w
>1S39n5z.
BOOL CHookApp::InitInstance() U]}f]GK
{ >#[,OU} N
AFX_MANAGE_STATE(AfxGetStaticModuleState()); N SkIzaNY
hins=AfxGetInstanceHandle(); uG,*m'x']
InitHotkey(); |kK_B
:K
return CWinApp::InitInstance(); 26B+qXEt
} 94Q?)0W$
q)Qg'l^f
int CHookApp::ExitInstance() *wp>a?sG\
{ _Y _v&
VerifyWindow(); C2(VYw
UnInit(); wzf%~ats
return CWinApp::ExitInstance(); L <W2a(
} &<oJw TC
ywY[g{4+
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file mZ0'-ax
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) Q nmv?YXS
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ `RHhc{
#if _MSC_VER > 1000 C7Ny-rj}IA
#pragma once /Xf_b.ZM&
#endif // _MSC_VER > 1000 #fT<]j(
zTS P8Q7
class CCaptureDlg : public CDialog hmp!|Q[)
{ :sA$LNj}
// Construction CXd/M~:!
public: P={8qln,X
BOOL bTray; vugGMP;D(
BOOL bRegistered; :F`"CR^,
BOOL RegisterHotkey(); u`?v-
UCHAR cKey; N'n\_ x
UCHAR cMask; :878q TB
void DeleteIcon(); KvY1bMU!
void AddIcon(); *|Bt!
UINT nCount; Ju"K"
void SaveBmp(); Lpv,6#m`)
CCaptureDlg(CWnd* pParent = NULL); // standard constructor ')zf8>,
// Dialog Data S'}pUGDO
//{{AFX_DATA(CCaptureDlg) RH~I/4e
enum { IDD = IDD_CAPTURE_DIALOG }; H7CWAQPfj
CComboBox m_Key; e+O502]
BOOL m_bControl; :R1F\FT*
BOOL m_bAlt; 12LGWhDp
BOOL m_bShift; nxhn|v
CString m_Path; ^?R8>97_?
CString m_Number; 8fWk C<f}
//}}AFX_DATA \V%l.P4>e
// ClassWizard generated virtual function overrides m<I>NYfE
//{{AFX_VIRTUAL(CCaptureDlg) <_3OiU=w
public: [ XBVES8
virtual BOOL PreTranslateMessage(MSG* pMsg); Lhmb=
@
protected: pE381Cw
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support ?.Lq`~T`
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); }s@vN8C
//}}AFX_VIRTUAL k] iyx
// Implementation _"h1#E
protected: O#n=mJ
HICON m_hIcon; dM)x|b3z
// Generated message map functions ;5&=I|xqe
//{{AFX_MSG(CCaptureDlg) S+7u,%n/
virtual BOOL OnInitDialog(); Z3 O_K
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); Lq]t6o]
afx_msg void OnPaint(); i%n9RuULh
afx_msg HCURSOR OnQueryDragIcon(); |31/*J!@z*
virtual void OnCancel(); UH`cWV Lpr
afx_msg void OnAbout(); XCj8QM.o
afx_msg void OnBrowse(); %`\=qSf*
afx_msg void OnChange(); Wa<SYJ
//}}AFX_MSG Lk2;\ D>
DECLARE_MESSAGE_MAP() "U|u-ka8B
}; qQp;i{X
#endif bY}:!aR<mK
bj,cU)t0
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file -9;XNp
#include "stdafx.h" bBY7^k
#include "Capture.h" Aa}Nr5{O|
#include "CaptureDlg.h" 2Dw}o;1'
#include <windowsx.h> X}ft7;Jpy
#pragma comment(lib,"hook.lib") D9%t67s
#ifdef _DEBUG )QW
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#define new DEBUG_NEW ZmAo9>'Kg
#undef THIS_FILE @ n^2UJ
static char THIS_FILE[] = __FILE__; q{uv?{I
#endif !`0
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#define IDM_SHELL WM_USER+1 9w.ZXd
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); /|p6NK;8L
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); -Ra-Ux
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; /3j3'~0
class CAboutDlg : public CDialog s[Whg!2~
{
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public: eOZ"kw"uHu
CAboutDlg(); _j2q
// Dialog Data JYrOE"!h
//{{AFX_DATA(CAboutDlg) HQGH7<=Om
enum { IDD = IDD_ABOUTBOX }; TT^L)d
//}}AFX_DATA Y3g<%6
// ClassWizard generated virtual function overrides TEQs9-Uy
//{{AFX_VIRTUAL(CAboutDlg) ?fX`z(Z
protected: qnJs,"sn
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support ,qwVDYJ
//}}AFX_VIRTUAL kE854Ej
// Implementation 6vf<lmN
protected: 1s-=zs
//{{AFX_MSG(CAboutDlg) "Bl6)qw
//}}AFX_MSG =3|5=ZU034
DECLARE_MESSAGE_MAP() hH_\C.bL
}; K'oy6$B
e]@
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CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) ^_t7{z%sA[
{ jIjW +D`
//{{AFX_DATA_INIT(CAboutDlg) +[7 DRT:
//}}AFX_DATA_INIT K>_~|ZN1C8
} 2#X>^LH
D2'J(
void CAboutDlg::DoDataExchange(CDataExchange* pDX) U*\1d
{ Zp+orc7
CDialog::DoDataExchange(pDX); n!h952"
//{{AFX_DATA_MAP(CAboutDlg) d,E2l~s
//}}AFX_DATA_MAP #D^(dz*
} VJS1{n=;k
o!zo%#0;#)
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) DHVfb(H5e
//{{AFX_MSG_MAP(CAboutDlg) #:8V<rc^
// No message handlers o3Z<tI8-V
//}}AFX_MSG_MAP :czUOZ_
END_MESSAGE_MAP() "c*#ZP
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CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) KqvM5$3
: CDialog(CCaptureDlg::IDD, pParent) "ZP)[ [Rd
{ R'$1,ie
//{{AFX_DATA_INIT(CCaptureDlg) |?\2F
m_bControl = FALSE; H8h,JBg5<F
m_bAlt = FALSE; grE'ySX0
m_bShift = FALSE; \L"0Pmt[
m_Path = _T("c:\\"); (r/))I9^
m_Number = _T("0 picture captured."); x,Z:12H0
nCount=0; zO((FQ
bRegistered=FALSE; ZJV;&[$[
bTray=FALSE; +\RviF[+
//}}AFX_DATA_INIT V(M7d>N5G
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 &IP`j~b
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 3bagL)'iz
} qRCUkw} fs
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void CCaptureDlg::DoDataExchange(CDataExchange* pDX) }[: i!t.m
{ :oytJhxU
CDialog::DoDataExchange(pDX); ~vKDB$2
//{{AFX_DATA_MAP(CCaptureDlg) /;WFRp.
DDX_Control(pDX, IDC_KEY, m_Key); $?y\3GX
DDX_Check(pDX, IDC_CONTROL, m_bControl); gH/(4h
DDX_Check(pDX, IDC_ALT, m_bAlt); <*z9:jzQ
DDX_Check(pDX, IDC_SHIFT, m_bShift); e7n`fEpO
DDX_Text(pDX, IDC_PATH, m_Path); &XB1=b5
DDX_Text(pDX, IDC_NUMBER, m_Number); {CQI*\O
//}}AFX_DATA_MAP 3^]Kd
} smPZ%P}P+c
h%&2M58:
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) bq z*90
//{{AFX_MSG_MAP(CCaptureDlg) K
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ON_WM_SYSCOMMAND() -;o0)DwZ
ON_WM_PAINT() -932[+
ON_WM_QUERYDRAGICON() (S8hr,%n
ON_BN_CLICKED(ID_ABOUT, OnAbout) mV|Z5 =f
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) ~Hvf"bvK|
ON_BN_CLICKED(ID_CHANGE, OnChange) K QCF "
//}}AFX_MSG_MAP &X)^G#
END_MESSAGE_MAP() <AB({(
5
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BOOL CCaptureDlg::OnInitDialog() HjT -5>I7f
{ iz2;xa*
CDialog::OnInitDialog(); sM@1Qyv&0
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); c. uD%
ASSERT(IDM_ABOUTBOX < 0xF000); xd!GRJ<I
CMenu* pSysMenu = GetSystemMenu(FALSE); 7o9[cq w
if (pSysMenu != NULL) m 3Do+!M[
{ E2Ec`o
CString strAboutMenu; jBJ|%KM
strAboutMenu.LoadString(IDS_ABOUTBOX); MZ_dI"J,
if (!strAboutMenu.IsEmpty()) d[sY]_ dj
{ k#x"'yZ
pSysMenu->AppendMenu(MF_SEPARATOR); O7yIFqI=/
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); CPJ%<+4%b
} jR"ACup(
} <1E5[9
q
SetIcon(m_hIcon, TRUE); // Set big icon _@O.EksY3r
SetIcon(m_hIcon, FALSE); // Set small icon 90">l^HX=
m_Key.SetCurSel(0); \'+P5,
RegisterHotkey(); r[3 2'E
CMenu* pMenu=GetSystemMenu(FALSE); Iy@6cd,)S
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); Nx<fj=VJ
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); w5q'M
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); FLQ>,=O
return TRUE; // return TRUE unless you set the focus to a control _.5ABE
} dQI6.$?
moE!~IroG
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) gCaxZ~o
{ nQd~i0`vB
if ((nID & 0xFFF0) == IDM_ABOUTBOX) gqDSHFm:
{ ZQ[ s/
CAboutDlg dlgAbout; /H*n(d
dlgAbout.DoModal(); M+WN \.2pX
} c> ":g~w
else %
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{ Q6d>tqW hq
CDialog::OnSysCommand(nID, lParam); ?,
cI!c`
} F<(?N!C?@
} 34t[]v|LD
h 2C9p2.
void CCaptureDlg::OnPaint() >Slu?{l'
{ YT<(2u#Ng
if (IsIconic()) 8xYeaK
{ E]ZIm
CPaintDC dc(this); // device context for painting 7%i6zP/a
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 8)="Ee
// Center icon in client rectangle Cf3<;Mp<
int cxIcon = GetSystemMetrics(SM_CXICON); -o YJ&r
int cyIcon = GetSystemMetrics(SM_CYICON); 9O-*iK
CRect rect; c@{M),C~E
GetClientRect(&rect); IaGF{O3.
int x = (rect.Width() - cxIcon + 1) / 2; 59k-,lyU,
int y = (rect.Height() - cyIcon + 1) / 2; TJs ~}&L
// Draw the icon {#&j