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:
ZRGZ'+hw
#HYkzjb 一、实现方法
I3Xh[% -! v"~I( kf$ 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:
*!@x<Hf< tC-KW~& #pragma data_seg("shareddata")
[HDO^6U HHOOK hHook =NULL; //钩子句柄
! -@!u UINT nHookCount =0; //挂接的程序数目
Qe.kNdT+_ static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
J?fh3RW9 static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
',Pk>f]AB- static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
x~tQYK static int KeyCount =0;
% 6.jh#C static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
U-<"i6mg? #pragma data_seg()
!5!$h`g rxeXz< 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
{][7N p!y -$z " 74 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:
' PYqp&gJ (`?
snMc BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
|9Ks13?Ck cKey,UCHAR cMask)
,8nZzVo {
9Ib(x0_ BOOL bAdded=FALSE;
FH`&C*/F0Y for(int index=0;index<MAX_KEY;index++){
m-92G8' if(hCallWnd[index]==0){
q|l|mO hCallWnd[index]=hWnd;
UyKG$6F?3 HotKey[index]=cKey;
j)6B^! HotKeyMask[index]=cMask;
n3j h\ bAdded=TRUE;
*r$.1nke KeyCount++;
6 <S&~q break;
[;YBX]t }
>I~z7JS }
^QR'yt3e return bAdded;
;o459L>sW }
w1(06A}/ //删除热键
v};qMceJ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
X$Vz {
Go7hDmu BOOL bRemoved=FALSE;
5?0gC&WfN for(int index=0;index<MAX_KEY;index++){
]GKx[F{) if(hCallWnd[index]==hWnd){
)'`AX\ if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
f<p4Pkv hCallWnd[index]=NULL;
<>Ddxmw HotKey[index]=0;
`h5eej&s( HotKeyMask[index]=0;
L#q9_-(# bRemoved=TRUE;
x`vs-Y:P KeyCount--;
HTyF<K break;
~7WXjVZ }
#ic 2ofI }
g~:(EO(w }
C-^%g[# return bRemoved;
Z1&GtM }
9Ru%E>el- M8j(1&(: z T T DLL中的钩子函数如下:
AeCG2!8^0 B00wcYM<1r LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
)\\V
s>9 {
h21(K} BOOL bProcessed=FALSE;
kDl4t]j if(HC_ACTION==nCode)
Zbh]SF{3F {
#_\MD,( if((lParam&0xc0000000)==0xc0000000){// 有键松开
*u;">H*BW switch(wParam)
C;:L~)C@t {
6cT~irP case VK_MENU:
i)PV{3v$J MaskBits&=~ALTBIT;
EZumJ." break;
;=\5$J9 case VK_CONTROL:
pQ^,. [[ MaskBits&=~CTRLBIT;
uPC qO+f break;
R:BBNzY}f case VK_SHIFT:
tDHHQ MaskBits&=~SHIFTBIT;
&zX 3 break;
JBEgiQ/ default: //judge the key and send message
RR"WO break;
Y\Qxdq }
&Yf#O* for(int index=0;index<MAX_KEY;index++){
bZay/ Zkj if(hCallWnd[index]==NULL)
skDk/-*R continue;
v&b.Q:h*' if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
~73i^3yf {
<kXV1@> SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
&Pg-|Ql bProcessed=TRUE;
3s_k>cO= }
Q}?N4kg }
ENx@Ex }
UQ.D!q else if((lParam&0xc000ffff)==1){ //有键按下
[q+e]kD switch(wParam)
H@2"ove-uC {
fqk Dk case VK_MENU:
h?3,B0G MaskBits|=ALTBIT;
PUjoi@] break;
Ie&b<k case VK_CONTROL:
hp]ng!I{\u MaskBits|=CTRLBIT;
+fP/|A8P break;
'W?v.W & case VK_SHIFT:
3ES[ N.V# MaskBits|=SHIFTBIT;
jo;uR l break;
Cs[7% j default: //judge the key and send message
-Mi}yi break;
1u"*09yZd }
H(NT| for(int index=0;index<MAX_KEY;index++){
5hH6G if(hCallWnd[index]==NULL)
;?L!1wklA continue;
M o"JV if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
$]H= {
hLytKPgt SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
Rw/JPC" bProcessed=TRUE;
yLgKS8b }
2}Z4a\YX }
',H$zA?i }
42J';\)oP if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
1ntkM? for(int index=0;index<MAX_KEY;index++){
!V]MLA` if(hCallWnd[index]==NULL)
L;--d`[ continue;
v :+8U[x if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
7moElh v SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
LE<u&9I\ //lParam的意义可看MSDN中WM_KEYDOWN部分
~6-"i0k
}
si^4<$Nr%j }
Z`oaaO }
Od!F: < return CallNextHookEx( hHook, nCode, wParam, lParam );
eN]>l }
)zW%\s*' n-hvh-ZO 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
]/o12pI Jny)uo8 BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
Q$fRi[/L BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
*TM;trfz ksu}+i,a 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:
'6o`^u> hEv=T'*,K) LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
CP]S-o}yd {
o=-Vt,2{ if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
b\?7?g {
ljYpMv.>xG //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
aVppOxA SaveBmp();
-3G 4vRIo return FALSE;
97(Xu=tX
}
S$jV|xKB …… //其它处理及默认处理
<}EV*`w4 }
B?;' lDz* -Wlp=#9 <Qcex3 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
C(V[wvL JQ"`9RNb 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
Xq,UV BKC7kDK3H 二、编程步骤
g|K6iY Z;GIlgK9 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
80?6I%UB< .:{h{@a 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
r=~WMDCz@ 4{;8:ax&w 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
([,vX"4 1p7cv~#95 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
K\IYx|Hm a SZ5O89 5、 添加代码,编译运行程序。
aNE9LAms PPoI>J 三、程序代码
G$;]
?g GOy=p3mQ ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
t."g\; #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
#`jE%ONC #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
jl.okWuiY #if _MSC_VER > 1000
]#Vo}CVP #pragma once
+Lm3vj_N #endif // _MSC_VER > 1000
j+DE|Q&]I #ifndef __AFXWIN_H__
1B)Y;hg6& #error include 'stdafx.h' before including this file for PCH
7P<r`,~k- #endif
w]>"'o{{ #include "resource.h" // main symbols
8K\'Z class CHookApp : public CWinApp
tZaD ${ {
`Yx-~y5X public:
A 1T< CHookApp();
,vPe}OKj // Overrides
m:)Z6 // ClassWizard generated virtual function overrides
4%g6_KB //{{AFX_VIRTUAL(CHookApp)
P%zH>K public:
_0'm4?" virtual BOOL InitInstance();
b8J@K" virtual int ExitInstance();
Y{B9`Z //}}AFX_VIRTUAL
_:35d1[ //{{AFX_MSG(CHookApp)
g.64Id // NOTE - the ClassWizard will add and remove member functions here.
$; Q$W9+ // DO NOT EDIT what you see in these blocks of generated code !
7 I_1 #O //}}AFX_MSG
dB@Wn!Y DECLARE_MESSAGE_MAP()
m#oh?@0} };
T-4/d5D[ LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
xGYSi5}z BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
zRwb" BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
&w+;N5}3 BOOL InitHotkey();
t)-*.qZh BOOL UnInit();
(k%GY<
b P #endif
W8w3~ 01U
*_\ //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
bTZ>@~$ #include "stdafx.h"
j?EskT6 #include "hook.h"
h ?uqLsRl #include <windowsx.h>
06 QU #ifdef _DEBUG
5Z/yhF.{ #define new DEBUG_NEW
duX0Mc.0P #undef THIS_FILE
M]}l^m>L static char THIS_FILE[] = __FILE__;
2Y400 #endif
>(hSW~i~ #define MAX_KEY 100
N>+ P WE$ #define CTRLBIT 0x04
S8
:"<B) #define ALTBIT 0x02
&J8Z@^ #define SHIFTBIT 0x01
hf;S]8|F #pragma data_seg("shareddata")
V,V*30K5 HHOOK hHook =NULL;
6}ce1|mkg/ UINT nHookCount =0;
}$o* static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
IUOxGJ|rO static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
L2KG0i`+ static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
-x{dc7y2 static int KeyCount =0;
!7}IqSs static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
/-h6`@[ #pragma data_seg()
,zQo {. HINSTANCE hins;
U1OFDXHG void VerifyWindow();
$:Rn; BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
FY$fV"s //{{AFX_MSG_MAP(CHookApp)
&~RR&MdZ2 // NOTE - the ClassWizard will add and remove mapping macros here.
4|`Yz%' // DO NOT EDIT what you see in these blocks of generated code!
!RS9%ES_? //}}AFX_MSG_MAP
rJ'/\Hh5P END_MESSAGE_MAP()
U4Z[!s$ ,Du@2w3Cq CHookApp::CHookApp()
N;uUx#z {
Ab/j(xr= // TODO: add construction code here,
W+_ R hJ // Place all significant initialization in InitInstance
p8Iw!HE }
7_-w_"X
3P1&; CHookApp theApp;
~
|6dH LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
P`
#QGZ> {
[r(Qs| BOOL bProcessed=FALSE;
;x-(kIiE if(HC_ACTION==nCode)
#? dUv# {
f\fdg].! if((lParam&0xc0000000)==0xc0000000){// Key up
|'tW= switch(wParam)
@5WgqB {
L'lF/qe^ case VK_MENU:
#/|75
4]] MaskBits&=~ALTBIT;
zrs<#8!Y_! break;
d{f@K71* case VK_CONTROL:
9qKzS<"h MaskBits&=~CTRLBIT;
[QT1Ju64 break;
`-_N@E1'> case VK_SHIFT:
!YiuwFt MaskBits&=~SHIFTBIT;
|g%mP1O break;
;imRh'-V6 default: //judge the key and send message
EeB ]X24 break;
4e +~.5r@i }
tAjx\7IX for(int index=0;index<MAX_KEY;index++){
b.b@bq$1 if(hCallWnd[index]==NULL)
.e@> continue;
LOr|k8tL% if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
b;#\~(a {
3o*FPO7? SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
btH _HE bProcessed=TRUE;
c"7j3/p }
FW8-'~ }
rz%<AF Z }
1G;8MPU else if((lParam&0xc000ffff)==1){ //Key down
JWROYED switch(wParam)
1j0 -9Kg' {
z>;$im case VK_MENU:
JQ@fuo % MaskBits|=ALTBIT;
Gih[i\%Q break;
C9qJP^F case VK_CONTROL:
3NIUW!gr MaskBits|=CTRLBIT;
+R6a}d/K break;
n-o3 case VK_SHIFT:
DdSSd@,x* MaskBits|=SHIFTBIT;
;gMgj$mI break;
F[saP0
* default: //judge the key and send message
n,j$D62[ break;
[iS,#w`
5 }
e'2Y1h for(int index=0;index<MAX_KEY;index++)
Sw8kIC {
WA$JI@g if(hCallWnd[index]==NULL)
:m'+tGs continue;
WZZ4]cC if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
f?56=& pHY {
K=?VDN SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
RKZ6}q1n bProcessed=TRUE;
x0Yse:RE^ }
S[,8TErz }
Fl3#D7K }
}CDk9Xk if(!bProcessed){
W0XF~ for(int index=0;index<MAX_KEY;index++){
Q7gY3flg if(hCallWnd[index]==NULL)
9!U@"~yB continue;
-?6MU~"GK if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
GX&b;N SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
U47}QDh }
vyI%3+N@ }
^V3v{>D> }
0)!Ll*L!p return CallNextHookEx( hHook, nCode, wParam, lParam );
d2S~)/@S }
VR5fqf|* ]"~51HQZ BOOL InitHotkey()
X"q!Y#) {
k~3.MU if(hHook!=NULL){
bU54-3Ox* nHookCount++;
hWo=;#B* return TRUE;
Nt:9 MG>1 }
LfLFu9#:w else
6rN(_Oi- hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
B[5r|d' if(hHook!=NULL)
xJZ@DR,# nHookCount++;
Y+~g\z-]c return (hHook!=NULL);
x9W(cKB'S }
%XTcP2pRJ BOOL UnInit()
2Y!S_Hw8 {
?!VIS>C( if(nHookCount>1){
{HOy_Fiih nHookCount--;
3WY$WRv return TRUE;
2F`cv1 M }
=gh`JN6 BOOL unhooked = UnhookWindowsHookEx(hHook);
N_Akmh0D if(unhooked==TRUE){
v"^~&q0x nHookCount=0;
oU6y4yO hHook=NULL;
1"#*)MF }
*e#<n_%R return unhooked;
B>y9fI }
jZoNi =PHIpFIuk BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
7piuLq+ {
m~hoE8C$ BOOL bAdded=FALSE;
s;flzp8 for(int index=0;index<MAX_KEY;index++){
TBrGA
E if(hCallWnd[index]==0){
} MbH3ufC hCallWnd[index]=hWnd;
Q,h7Sk* HotKey[index]=cKey;
v%{.A) HotKeyMask[index]=cMask;
%wptZ"2M bAdded=TRUE;
k0-G$|QgIp KeyCount++;
cLY c6 break;
qU6nJi+-I }
1xE]6he4{T }
Mg,:UC: return bAdded;
+;}#B~: }
#-% A[7Cdp JPn$FQD BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
k>jbcSY(z< {
_ee
dBpV BOOL bRemoved=FALSE;
$_H` for(int index=0;index<MAX_KEY;index++){
41a.#o if(hCallWnd[index]==hWnd){
CSPKP#,B0[ if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
`#-P[q<v- hCallWnd[index]=NULL;
sbj(|1,ac HotKey[index]=0;
2F#q
I1 HotKeyMask[index]=0;
bI.t<; bRemoved=TRUE;
^D`v3d KeyCount--;
W1B)]IHc break;
KOz(TZ?u }
8X|r4otn4 }
vIl+#9L0 }
^ci3F<?Q= return bRemoved;
vsWHk7 9 }
hN2:d1f0 wkqX^i7ls void VerifyWindow()
Cv
ejb+ {
?Iyo9&1& for(int i=0;i<MAX_KEY;i++){
)}vNOE?X~ if(hCallWnd
!=NULL){ ps
.]N
if(!IsWindow(hCallWnd)){ 'J&f%kx"
hCallWnd=NULL; +ISz?~8
HotKey=0; h7*W*Bd
HotKeyMask=0; cKb)VG^
KeyCount--; v:Tzv^
} U7uKRv9
} vx_o(wof
} +YLejjQ
} zA+~7;7E
)*; zW!H
BOOL CHookApp::InitInstance() W>VP'vn}
{ :1XtvH
AFX_MANAGE_STATE(AfxGetStaticModuleState()); :l7U>~ o
hins=AfxGetInstanceHandle(); lv vs%@b>
InitHotkey(); #_Z$2L"U
return CWinApp::InitInstance(); ?m$a6'2-,J
} Uj+j}C
a22Mufl
int CHookApp::ExitInstance() P&m\1W(
{ 7XKY]|S,'
VerifyWindow(); b"!Q2S~
UnInit(); "YdEE\
return CWinApp::ExitInstance(); 8:BIbmtt5
} ?pgG,=?
w.,Q1\*rPp
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file Le<wR
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) o?1;<gs
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ >#Q\DsDS
#if _MSC_VER > 1000 `(A5f71MfM
#pragma once PP:(EN1
#endif // _MSC_VER > 1000 pfu1O6R
(x^BKnZ
class CCaptureDlg : public CDialog FO q1>>a0
{ 7eWk7&Xul
// Construction ,rJXy_
public: !T](Udf
BOOL bTray; bAKiq}xG%i
BOOL bRegistered; AU-n&uX
BOOL RegisterHotkey(); "qc6=:y}
UCHAR cKey; .9md~j:o^s
UCHAR cMask; yQ#:J9HMJ
void DeleteIcon(); ={LMdC~5X
void AddIcon(); moP,B~
UINT nCount; pv^O"Bs
void SaveBmp(); /Uo
y/}!
CCaptureDlg(CWnd* pParent = NULL); // standard constructor =K{\p`?
// Dialog Data cUTE$/#s
//{{AFX_DATA(CCaptureDlg) % QKZT=}
enum { IDD = IDD_CAPTURE_DIALOG }; #2r}?hP/m
CComboBox m_Key;
/'31w9
BOOL m_bControl; +w=AJdc
BOOL m_bAlt; o9cM{ya/>
BOOL m_bShift; 5M9 I,
CString m_Path; oB74y
CString m_Number; }%Bl>M
//}}AFX_DATA ^v.,y3
// ClassWizard generated virtual function overrides @?YRuwp L
//{{AFX_VIRTUAL(CCaptureDlg) vjjSKP6B
public: ,+~rd4a
virtual BOOL PreTranslateMessage(MSG* pMsg); \P1S|ufv
protected: K&8dA0i2u2
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support k)TSR5A
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); J|&JD?
//}}AFX_VIRTUAL rvr-XGK36\
// Implementation pABs!A`N
protected: wdUBg*X8
HICON m_hIcon; ,t\* ZTt$
// Generated message map functions S"Zp D.XX
//{{AFX_MSG(CCaptureDlg) ]p_@@QTC
virtual BOOL OnInitDialog(); 5jUYN-$GO
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); C@jJ.^
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afx_msg void OnPaint(); $.9{if#o&
afx_msg HCURSOR OnQueryDragIcon(); XJLQ{
virtual void OnCancel(); gY@N~'f;"
afx_msg void OnAbout(); J>u
7,
afx_msg void OnBrowse(); {uGP&cS~(
afx_msg void OnChange(); 6oF7:lt
//}}AFX_MSG s}N#n(
DECLARE_MESSAGE_MAP() *
S=\l@EW
}; Ur*6Gi6
#endif =0;^(/1Mc
l x,"EOP
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file fu90]upz~
#include "stdafx.h" ^h{)Gf,+\
#include "Capture.h" q$aaA`E%
#include "CaptureDlg.h" 4wrk2x[
#include <windowsx.h> XoA+MuDzpo
#pragma comment(lib,"hook.lib") ,=l7:n
#ifdef _DEBUG tU_y6
#define new DEBUG_NEW >Wz;ySEz
#undef THIS_FILE y#XbJuN/
static char THIS_FILE[] = __FILE__; sJ]taY ou
#endif It{ ;SKeo
#define IDM_SHELL WM_USER+1 [,TkFbDq"J
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); JwJ7=P=c
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); PssMTEf
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; ve\X3"p#
class CAboutDlg : public CDialog lkBdl#]9
{ V{<xff
public: /% kY0 LY
CAboutDlg(); hUYd0qEbEt
// Dialog Data H<^/Ati,|
//{{AFX_DATA(CAboutDlg) <n(*Xak{a
enum { IDD = IDD_ABOUTBOX }; /~^rr
f
//}}AFX_DATA A'2w>8
// ClassWizard generated virtual function overrides a{[x4d,z
//{{AFX_VIRTUAL(CAboutDlg) Br`IW
protected: tO0!5#-VR
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support [H=)
//}}AFX_VIRTUAL #lkM=lY'
// Implementation (&!NC[n,
protected: 4._(|
//{{AFX_MSG(CAboutDlg) J_FNAdQt
//}}AFX_MSG up'Tit
DECLARE_MESSAGE_MAP() x:nKfY5
}; vsa92c@T
+Z85HY{
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) Ek6MYc8<b~
{ p1vp8p
//{{AFX_DATA_INIT(CAboutDlg) bR V+>;L0@
//}}AFX_DATA_INIT @'|)~,"bx
} |O"lNUW
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void CAboutDlg::DoDataExchange(CDataExchange* pDX) C*`mM'#
{ uJ6DO#d`P
CDialog::DoDataExchange(pDX); CxfRVL`7
//{{AFX_DATA_MAP(CAboutDlg) A\#iXOd
//}}AFX_DATA_MAP Aj0Tfdxy
} 2 aL)
mQY_`&Jq
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) A,`8#-AX
//{{AFX_MSG_MAP(CAboutDlg) VqS#waNrx
// No message handlers kcQ'$<Mz<
//}}AFX_MSG_MAP n/h,Lr)Z
END_MESSAGE_MAP() 9ksE>[7
+=:#wzK@
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) Z.M,NR
: CDialog(CCaptureDlg::IDD, pParent) lv]hTH 4T
{ Op_RzZP`
//{{AFX_DATA_INIT(CCaptureDlg) H=\3Jj(4
m_bControl = FALSE; I}t#%/'YA
m_bAlt = FALSE; }X=[WCKU
m_bShift = FALSE; ?yj6CL(,
m_Path = _T("c:\\"); Pcw6!xH
m_Number = _T("0 picture captured."); $H-!j%hV
nCount=0; (`:O~>[N
bRegistered=FALSE; J.8IwN1E
bTray=FALSE; W16,Alf:
//}}AFX_DATA_INIT 4fKC 6UR
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 q=#}
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m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); RoyPrO [3
} &SrO)
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void CCaptureDlg::DoDataExchange(CDataExchange* pDX) d$
^ ,bL2p
{ gmm|A9+tv
CDialog::DoDataExchange(pDX); >Bgw}PI
//{{AFX_DATA_MAP(CCaptureDlg) X@f "-\
DDX_Control(pDX, IDC_KEY, m_Key); VP6ZiQ|
DDX_Check(pDX, IDC_CONTROL, m_bControl); yUp,NfS]o
DDX_Check(pDX, IDC_ALT, m_bAlt); nH<eR)0
DDX_Check(pDX, IDC_SHIFT, m_bShift); 'z[Sp~I\
DDX_Text(pDX, IDC_PATH, m_Path); SGe^ogO"v
DDX_Text(pDX, IDC_NUMBER, m_Number); 3Oi
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//}}AFX_DATA_MAP VhNz8)
} Iyyh!MVF
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BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) TsGE cxIg
//{{AFX_MSG_MAP(CCaptureDlg) }6@pJG
ON_WM_SYSCOMMAND() $k2*[sn,
ON_WM_PAINT() tuhA
9}E
ON_WM_QUERYDRAGICON() M`l.t -ut
ON_BN_CLICKED(ID_ABOUT, OnAbout) *q1% IJ
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) rW0FA
ON_BN_CLICKED(ID_CHANGE, OnChange) 'UYR5Y>
//}}AFX_MSG_MAP kbMYMx.[
END_MESSAGE_MAP() Oj^,m.R
+mp@b942*
BOOL CCaptureDlg::OnInitDialog() <-u8~N@43W
{ %b"\bHH
CDialog::OnInitDialog(); 1[yq0^\]M[
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); dS<C@(
ASSERT(IDM_ABOUTBOX < 0xF000); $t6e2=7
CMenu* pSysMenu = GetSystemMenu(FALSE); ^/U|2'$'>E
if (pSysMenu != NULL) 8f3vjK'
{ YWxc-fPZ
CString strAboutMenu; UNkCL4N
strAboutMenu.LoadString(IDS_ABOUTBOX); l'TWkQ-
if (!strAboutMenu.IsEmpty()) \xS&v7b
{ z
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pSysMenu->AppendMenu(MF_SEPARATOR);
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pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); EeF'&zE-
} ANps1w#TP
} nTz6LVF
SetIcon(m_hIcon, TRUE); // Set big icon .Fa4shNV
SetIcon(m_hIcon, FALSE); // Set small icon ZAXN6h
m_Key.SetCurSel(0); Y2?.}Z O
RegisterHotkey(); 9s_,crq5
CMenu* pMenu=GetSystemMenu(FALSE); #jxe%2'Ot
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); q2et|QCru
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); fOMvj%T@2
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); zBe8,, e
return TRUE; // return TRUE unless you set the focus to a control `IY/9'vT
} n8DxB@DI
KFFSv{m[
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) ?IGVErnJJC
{ [NTtz
<i@
if ((nID & 0xFFF0) == IDM_ABOUTBOX) :P(K2q3
{ &Ky_v^
CAboutDlg dlgAbout; 4`8<
dlgAbout.DoModal(); r!{LLc}>
} hc'-Dh
else %Pqf{*d8
{ 1M}&Z H
CDialog::OnSysCommand(nID, lParam); :G<E^<M\)^
} !1G ."fo
} S!sqbLrBn
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