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:
wK*b2r}0/
>XU93 )CX 一、实现方法
(
L ]C )BX-Y@fpA 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:
uzO3 _.4Y y&(R1Y75 #pragma data_seg("shareddata")
m2r%m
y HHOOK hHook =NULL; //钩子句柄
41s [p56+@ UINT nHookCount =0; //挂接的程序数目
:G/.h[\R| static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
Op
0Qpn static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
HLYo+;j3| static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
Hphfqdh0` static int KeyCount =0;
Ks/Uyu. X static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
G
]JWd #pragma data_seg()
IA(+}V A1kqWhg\ 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。
l
]CnLqf& jHx)q|2\ 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:
?S0gazZm R1/87eB BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
> Du>vlTY cKey,UCHAR cMask)
_
ATIV {
?5Ub&{ BOOL bAdded=FALSE;
c&>==pI]k for(int index=0;index<MAX_KEY;index++){
~'3hK4 if(hCallWnd[index]==0){
!1{kG%B= hCallWnd[index]=hWnd;
ZNjqH[ HotKey[index]=cKey;
8pE0ANbq HotKeyMask[index]=cMask;
MoP,a9p bAdded=TRUE;
jPyhn8Vw KeyCount++;
#h~v(Z} break;
[*2|#KSCX }
2I
qvd }
%>)&QZig/ return bAdded;
{z0PB] U }
M
hJ;)( //删除热键
Ag@R 60# BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
d\{a&\v {
X!=*<GF) BOOL bRemoved=FALSE;
+ug[TV for(int index=0;index<MAX_KEY;index++){
lV)SOs$ if(hCallWnd[index]==hWnd){
DNp4U9 if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
TkjPa};R hCallWnd[index]=NULL;
|vf /M| HotKey[index]=0;
o ImW HotKeyMask[index]=0;
Q"QL#<N bRemoved=TRUE;
.!`v2_ KeyCount--;
eF%IX break;
v:w $l{7 }
=^D{ZZw{ }
oEuo@\U05v }
n?z^"vv$i return bRemoved;
AfOq?V }
u*C"d1v= C~([aH@-I VjhwafYC DLL中的钩子函数如下:
*d/,Y-tl EHC^ [5 LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
J`@#yHL {
u,Rhm-` BOOL bProcessed=FALSE;
Vo-]&u&cr
if(HC_ACTION==nCode)
4}t&AW4 {
x|oa"l^JZ" if((lParam&0xc0000000)==0xc0000000){// 有键松开
2`]_c= switch(wParam)
|0A:0'uA! {
#Ies
yNKZ case VK_MENU:
9e xHR&>{ MaskBits&=~ALTBIT;
i@|.1dWh break;
c-, 6k case VK_CONTROL:
/qalj\ud MaskBits&=~CTRLBIT;
nM,5KHU4a break;
[AHZOA case VK_SHIFT:
TV&4m5 MaskBits&=~SHIFTBIT;
{aRZBIv break;
O&c~7tM% default: //judge the key and send message
$xsmF?Dsx5 break;
@N0(%o& }
{x8UL7{ for(int index=0;index<MAX_KEY;index++){
`+go|
5N2 if(hCallWnd[index]==NULL)
Q8sCI An{ continue;
GP/Gv if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
;zl/ {
FII>6c SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
R.+yVO2 bProcessed=TRUE;
*;I F^u1 }
>RMp`HxDf }
e2xqKG }
_U@;Z*(%vh else if((lParam&0xc000ffff)==1){ //有键按下
}hjJt,m switch(wParam)
:/
yR {
4{1.[##]o case VK_MENU:
l8_TeO MaskBits|=ALTBIT;
^"N sb & break;
M+N7JpR case VK_CONTROL:
koizk&) MaskBits|=CTRLBIT;
b[I;6HW break;
2r]!$ hto case VK_SHIFT:
<Gr775" MaskBits|=SHIFTBIT;
}nW) + break;
,UD,)ZPf[ default: //judge the key and send message
}ST0?_0F* break;
yv!,iK9 }
^9Je8 @Yu for(int index=0;index<MAX_KEY;index++){
"[LSDE"( if(hCallWnd[index]==NULL)
cKj6tT"=O continue;
[Bz'c1 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
L'J Ekji" {
Y=6b oT SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
F
;m1I+; bProcessed=TRUE;
Jc#()4 }
Cl+TjmOV\` }
#VwA?$4g` }
q;kN+NK64 if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
e!5nz_J1} for(int index=0;index<MAX_KEY;index++){
FrNW@ if(hCallWnd[index]==NULL)
%joIe w]V3 continue;
Yjr6/&ML if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
`[+nz
rLkO SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
y/}>)o4Q //lParam的意义可看MSDN中WM_KEYDOWN部分
3t4_{']:/ }
t7%!~s=,M }
f'\NGL }
B0:[3@P7 return CallNextHookEx( hHook, nCode, wParam, lParam );
F<UEipe/N }
3ppY@_1 |x AwiF_ 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:
wghz[qe h69: Tj! BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
\c! LC4pE BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
F H'jP` N>fC" 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:
Cz\(.MWNZ $UZ4,S?V LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
35;)O - {
BHwQB2t gc if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
cs ?@Ri=g {
jG3}V3|. //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
at/v.U|F SaveBmp();
"=unDpq] return FALSE;
I54O9Aoy }
I
[J0r …… //其它处理及默认处理
,T{(t@ }
U=C8gVb{Hq "Q~6cH[# |f^/((:D 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
27vLI~ 3mIX9&/ 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
sg(L`P -ANp88a 二、编程步骤
6dh@DG*k #EpDIL 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
#4{f2s[j6 (WK$
)f 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
6 qK0G$> `he{"0U~S 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
E (M\U5o: [H#I:d-+\ 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
xa#:oKF3 ?S8cl7;+ 5、 添加代码,编译运行程序。
Y962rZ j\nnx8`7 三、程序代码
RGGP6SDc ^c1I'9(r5 ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
#ZIV>(Q\H #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
i&^?p|eKa #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
G:.Nq,513 #if _MSC_VER > 1000
'[p~|
mX #pragma once
3MC| O5R4 #endif // _MSC_VER > 1000
g
S;p:: #ifndef __AFXWIN_H__
u pf7:gk + #error include 'stdafx.h' before including this file for PCH
[?BmW{*u. #endif
2I:vie
#include "resource.h" // main symbols
Nh41o0 class CHookApp : public CWinApp
#3$U&|` {
HLAYmXX"w public:
V9"Kro CHookApp();
joifIp_ // Overrides
=MG // ClassWizard generated virtual function overrides
xZS //{{AFX_VIRTUAL(CHookApp)
:H<u@% public:
sp[nKo^ virtual BOOL InitInstance();
{"e/3 virtual int ExitInstance();
bK%go //}}AFX_VIRTUAL
9il!w
g? //{{AFX_MSG(CHookApp)
@]dN // NOTE - the ClassWizard will add and remove member functions here.
+*g[hRw[ // DO NOT EDIT what you see in these blocks of generated code !
:*1Gs, //}}AFX_MSG
`4Z#/g DECLARE_MESSAGE_MAP()
DRi!WWivn };
muo7KUT LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
g?(Z+w4A
3 BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
5JI+42S
\ BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
"8Pxf= BOOL InitHotkey();
`NV =2T BOOL UnInit();
j2#Vdw|j #endif
qo.~5
bE^Z;q19 //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
L5cNCWpo #include "stdafx.h"
T~%5^+[h #include "hook.h"
Tp<=dH%$%" #include <windowsx.h>
]k{cPK #ifdef _DEBUG
ls,gQ]B:P #define new DEBUG_NEW
")HTUlcAe} #undef THIS_FILE
)G
,LG0"- static char THIS_FILE[] = __FILE__;
Z8kO*LYv #endif
Ih`n:aA #define MAX_KEY 100
bqf=;N vog #define CTRLBIT 0x04
\XMl8G #define ALTBIT 0x02
Lq
LciD #define SHIFTBIT 0x01
wH!]B-hn #pragma data_seg("shareddata")
N{P (ym2yR HHOOK hHook =NULL;
Yq/|zTe{ UINT nHookCount =0;
QE!cf@~n" static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
h=4m2m static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
.'"+CKD.N static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
>Z|4/PF static int KeyCount =0;
G`mC=*Ma; static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
D2>EG~xWq #pragma data_seg()
)sB`!:~HjP HINSTANCE hins;
"=|yM~V void VerifyWindow();
Ff& VBm BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
X\$|oiR //{{AFX_MSG_MAP(CHookApp)
[ne4lWaE<y // NOTE - the ClassWizard will add and remove mapping macros here.
-.g5|B // DO NOT EDIT what you see in these blocks of generated code!
cY#TH|M //}}AFX_MSG_MAP
~AK!_EOs` END_MESSAGE_MAP()
3 %dbfT j d&?B/E^ CHookApp::CHookApp()
GWA_,/jS% {
fylW)W4C // TODO: add construction code here,
|fTQ\q]W // Place all significant initialization in InitInstance
r9s1\7]x }
K(6=) \s<iM2]Kl CHookApp theApp;
MkJL9eG LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
N3r{|Bu {
I U4[}x BOOL bProcessed=FALSE;
)l30~5u<J if(HC_ACTION==nCode)
# JuO {
)KBv[| if((lParam&0xc0000000)==0xc0000000){// Key up
FNmIXpAn*@ switch(wParam)
!M^pL| {
Z1\_[GA case VK_MENU:
Q6%m}R MaskBits&=~ALTBIT;
K]kL?-A#' break;
W
.Hv2r3 case VK_CONTROL:
C)#:zv m MaskBits&=~CTRLBIT;
aQFYSl break;
f
21w`Uk48 case VK_SHIFT:
1 ,D2][ MaskBits&=~SHIFTBIT;
[(ty{ break;
Di-"y, [ default: //judge the key and send message
348Bu7': break;
&R*d/~SU }
]X?+]9Fr for(int index=0;index<MAX_KEY;index++){
s o~p+] if(hCallWnd[index]==NULL)
|nD2k,S<? continue;
{,s:vPoiA if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
'Q(A5zfN]Y {
eIof{# SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
zq4mT;rqz bProcessed=TRUE;
Cn28&$:J }
RNX}W lo-s }
[.<vISRir }
S~Q7>oNm else if((lParam&0xc000ffff)==1){ //Key down
Z/beROW ) switch(wParam)
=/dW5qy;*+ {
sSD(mO<( case VK_MENU:
IUc!nxF# MaskBits|=ALTBIT;
3\mFK$#sr break;
gs'bv#4yd case VK_CONTROL:
@4$F%[g
h MaskBits|=CTRLBIT;
O IewG5O break;
z+-k4 case VK_SHIFT:
rKJ%/7m MaskBits|=SHIFTBIT;
Uut,cQ". d break;
TF=S \
Q default: //judge the key and send message
2N)Ywqvj break;
S$JM01 }
X% _~9'#% for(int index=0;index<MAX_KEY;index++)
8<.KWr {
5>A3;P if(hCallWnd[index]==NULL)
iNQk{n continue;
ix!u#7 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
1Kc*MS {
qM1$?U SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
Iv/yIS bProcessed=TRUE;
`+zr PpX }
kN]#;R6 }
P'Y8
t }
aL=VNZ!Pqc if(!bProcessed){
&G<ZK9Ot}0 for(int index=0;index<MAX_KEY;index++){
o@pM??&x if(hCallWnd[index]==NULL)
Rut6m5> continue;
/
m?Z! if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
*Z/B\nb SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
SxH}/I|W }
,#WXAAmm }
3!}'A }
!%@n067 return CallNextHookEx( hHook, nCode, wParam, lParam );
5utj$ha2 }
^`dp!1.+ '!f5|l9SC BOOL InitHotkey()
1.>sG2*P {
YKM(qh2 if(hHook!=NULL){
{L4^IKI nHookCount++;
xc*ys-Nv return TRUE;
s#qq%
@ }
Vq<|DM3z< else
0q`'65 lx hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
2RE }l=h5 if(hHook!=NULL)
le[5a=e( nHookCount++;
t}oxHEa V return (hHook!=NULL);
eq4<
}
e |4jT7L} BOOL UnInit()
y|lP.N/ {
UoKBcarm if(nHookCount>1){
vNtbb]')m nHookCount--;
+ZZiZ&y return TRUE;
ZcdS?Z2k }
3G>E>yJ BOOL unhooked = UnhookWindowsHookEx(hHook);
mU\$piei if(unhooked==TRUE){
r% B5@+{so nHookCount=0;
xMuy[)b hHook=NULL;
]}5jX^j }
b?y1cxTT return unhooked;
c|O5Vp} }
[yVU
p+ zzW^AvR BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
ix$+NM<n {
i&bttSRNV BOOL bAdded=FALSE;
0`qq"j[6a for(int index=0;index<MAX_KEY;index++){
Nvew^c)x if(hCallWnd[index]==0){
f9\7v_ hCallWnd[index]=hWnd;
qBwqxxTc HotKey[index]=cKey;
\+>b W( HotKeyMask[index]=cMask;
T[;{AXLeI bAdded=TRUE;
twN(]w}Ps| KeyCount++;
CRqa[boU* break;
=oHJ_ }
R0=/
Th - }
x208^=F\\ return bAdded;
|ow hF }
(h%wO `iY)3Rq BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
RdY #B; {
j5HOdy2 BOOL bRemoved=FALSE;
dm 2_Fj for(int index=0;index<MAX_KEY;index++){
SZ1C38bd,. if(hCallWnd[index]==hWnd){
c9ZoO; if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
{Rz`)qqE hCallWnd[index]=NULL;
v~xG*e HotKey[index]=0;
ims *|~{sr HotKeyMask[index]=0;
/JfXK$` bRemoved=TRUE;
k1cBMDSokO KeyCount--;
#/1Bam6 break;
DV.MvFV }
y1AS^' }
O;zW'*c+ }
#".{i+3E return bRemoved;
qxrOfsh }
S_WY91r oC?b]tzj void VerifyWindow()
#?,cYh+ {
yqYX<<!V for(int i=0;i<MAX_KEY;i++){
RoiMvrJQP if(hCallWnd
!=NULL){ =kCpCpET
if(!IsWindow(hCallWnd)){ 9\n}!{@i
hCallWnd=NULL; x
Dr^&rC
HotKey=0; EgO4:8$h
HotKeyMask=0; o^NQ]BdH8
KeyCount--; rms&U)?
} jjbw.n+1
} Xgl>kJy<#
} ofi']J{R
} p75w^
b"Ulc}$/&
BOOL CHookApp::InitInstance() Vw#07P#A
{ WFdS#XfV
AFX_MANAGE_STATE(AfxGetStaticModuleState()); \:#b9t{B-
hins=AfxGetInstanceHandle(); 8<G@s`*
InitHotkey(); v0y7N_U5n
return CWinApp::InitInstance(); #"OKO6]
} 1|]-F;b
,L^L uw'7
int CHookApp::ExitInstance() QJTC@o
{ Zsuh 8t
VerifyWindow(); pp-Ur?PM
UnInit(); [Q*kom :
return CWinApp::ExitInstance(); IrVeP&KM+
} !bY{T#i)k
7oWv'
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file H>D_0o<#y
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) nOB
]?{X
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ (= \P|iv
#if _MSC_VER > 1000 o4J K$%
#pragma once %DN&K
#endif // _MSC_VER > 1000 zz9.OnZ~
Vy?w,E0^:
class CCaptureDlg : public CDialog ?+!KucTF
{ W)"q9(T?%
// Construction C&SYmYj^c
public: HR}c9wy,q\
BOOL bTray; AsLAm#zq
BOOL bRegistered; |p+VitM7
BOOL RegisterHotkey(); 9X(bByEO
UCHAR cKey; 9}\T?6?8pX
UCHAR cMask; QO,y/@Ph
void DeleteIcon(); } 6KL
void AddIcon(); 6xOR,p>E
UINT nCount; `?$R_uFh:
void SaveBmp(); J?]W!V7C
CCaptureDlg(CWnd* pParent = NULL); // standard constructor 1zM`g_(#
// Dialog Data
78Gvc~j
//{{AFX_DATA(CCaptureDlg) {P]l{W@li
enum { IDD = IDD_CAPTURE_DIALOG }; I;`V*/s8"
CComboBox m_Key; 99eS@}RC
BOOL m_bControl; j`
x9z_
BOOL m_bAlt; |fA[s7)
BOOL m_bShift; sv[)?1S
CString m_Path; Oo0$n]*;W
CString m_Number; <E^:{J95
//}}AFX_DATA x?%vqg^r
// ClassWizard generated virtual function overrides tsk}]@W
//{{AFX_VIRTUAL(CCaptureDlg) QL)UPf>Kp
public: '5Y8 rv<
virtual BOOL PreTranslateMessage(MSG* pMsg); <wuP*vI"h
protected: f;b(W
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support toCN{[
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); G ;z2}Ei
//}}AFX_VIRTUAL %mq]M
// Implementation vSX
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protected: D"o>\Q
HICON m_hIcon; ]EK"AuEz`
// Generated message map functions '[HFIJ0K!
//{{AFX_MSG(CCaptureDlg) saV3<zgx
virtual BOOL OnInitDialog(); >WpPYUbH
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); &3JbAJ|;X
afx_msg void OnPaint(); A6sBObw;
afx_msg HCURSOR OnQueryDragIcon(); *yf+5q4t
virtual void OnCancel(); kY|_wDBSb\
afx_msg void OnAbout(); p$ko=fo-*_
afx_msg void OnBrowse(); S:5Nh^K
afx_msg void OnChange(); $+mmqc8
//}}AFX_MSG ~E!"YkIr
DECLARE_MESSAGE_MAP() -ZuzJAA
}; eL(T
#endif X23TS`
:?S2s Ne2
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file 2"mO"2d%
#include "stdafx.h" /0r2v/0
#include "Capture.h" RFZrcM
#include "CaptureDlg.h" H"-p^liw
#include <windowsx.h> W w8[d
#pragma comment(lib,"hook.lib") N(
/PJJ~
#ifdef _DEBUG !Khsx
#define new DEBUG_NEW Pc$<Cv|vz
#undef THIS_FILE =HSE
static char THIS_FILE[] = __FILE__; c_".+Fa
#endif $$8"i+,K
#define IDM_SHELL WM_USER+1 9LFg":
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); T&!>lqU!J
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); +zlaYHj
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; W<x2~HW(
class CAboutDlg : public CDialog E:i3
/Ep?
{ KctD=6
public: ^C'k.pV
n~
CAboutDlg(); [A3hrSw
// Dialog Data $<yb~z7J
//{{AFX_DATA(CAboutDlg) auO^v;s
enum { IDD = IDD_ABOUTBOX }; Bf7RW[ -v
//}}AFX_DATA /yI~(8bO
// ClassWizard generated virtual function overrides k_^d7yH
//{{AFX_VIRTUAL(CAboutDlg) >2wjV"W?
protected: UdY9*k
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support |mKd5[$
//}}AFX_VIRTUAL 9]S}m[8k
// Implementation eF2<L [9
protected: P8TiB
//{{AFX_MSG(CAboutDlg) Qn<<&i~
//}}AFX_MSG 0h; -Yg
DECLARE_MESSAGE_MAP() Ii"cDH9
}; F"bbU/5
./6L&?*`~;
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) aMHIOA%Kh
{ W0?yPP=.
//{{AFX_DATA_INIT(CAboutDlg) J%}}(G~
//}}AFX_DATA_INIT {o]OxqE@
} bFTWuM
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void CAboutDlg::DoDataExchange(CDataExchange* pDX) FV^kOz
{ $GYy[-.`
CDialog::DoDataExchange(pDX); ]{y ';MZ
//{{AFX_DATA_MAP(CAboutDlg) oACE:h9U
//}}AFX_DATA_MAP ?5->F/f&
} 5-+Y2tp}
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BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) -m__I U
//{{AFX_MSG_MAP(CAboutDlg) }XAoMp
// No message handlers [szwPNQ_
//}}AFX_MSG_MAP FUHjY
END_MESSAGE_MAP() 5[ @4($q8
#cApk
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) *{tJ3<t(1
: CDialog(CCaptureDlg::IDD, pParent) K|s+5>]W/[
{ lxxK6;r~>
//{{AFX_DATA_INIT(CCaptureDlg) 'Oq}BVR&
m_bControl = FALSE; V^f'4*~'
m_bAlt = FALSE; )kd PAw
m_bShift = FALSE; ,2]6cP(6qQ
m_Path = _T("c:\\"); HL_MuyE
m_Number = _T("0 picture captured."); B'=*92i>S
nCount=0; M
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bRegistered=FALSE; K&S~IFy
bTray=FALSE; R!,RZ?|v
//}}AFX_DATA_INIT ,>Yz1P)L
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 ah}aL7dgO
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); ^beW*O!
} \(Hg_]>m
tBf u{oC
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) CqF<
BE
{ ]{;K|rCR-
CDialog::DoDataExchange(pDX); ]r#tJT`M
//{{AFX_DATA_MAP(CCaptureDlg) #_H=pNWe
DDX_Control(pDX, IDC_KEY, m_Key); nhy3E
DDX_Check(pDX, IDC_CONTROL, m_bControl); 6%5A&&O(b
DDX_Check(pDX, IDC_ALT, m_bAlt); @5kN
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DDX_Check(pDX, IDC_SHIFT, m_bShift); 9,F(f}(t
DDX_Text(pDX, IDC_PATH, m_Path); q!FJP9x
DDX_Text(pDX, IDC_NUMBER, m_Number); qg'm<[
//}}AFX_DATA_MAP 'QkL%z0
} K J~f ~2;
8Y4YE(x5
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) @@! R
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//{{AFX_MSG_MAP(CCaptureDlg) 1ra}^H}
ON_WM_SYSCOMMAND() HM<V$
R
ON_WM_PAINT() bbnAF*7s8
ON_WM_QUERYDRAGICON() 2Gx&ECa,
ON_BN_CLICKED(ID_ABOUT, OnAbout) 6vmkDL8{A8
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) 8T1`TGSFC
ON_BN_CLICKED(ID_CHANGE, OnChange) L1aN"KGMF
//}}AFX_MSG_MAP 5#iv[c
END_MESSAGE_MAP() 2sf/^XC1
)}/9*
BOOL CCaptureDlg::OnInitDialog() $<T)_g
{ 9}": }!
CDialog::OnInitDialog(); :yO)g]KF
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); Q PGssQR6
ASSERT(IDM_ABOUTBOX < 0xF000); 2o{Fp7l
CMenu* pSysMenu = GetSystemMenu(FALSE); J4x1qY)Y&v
if (pSysMenu != NULL) J]Y." hi
{ 6KV&E8Gn
CString strAboutMenu; AR)&W/S)7,
strAboutMenu.LoadString(IDS_ABOUTBOX); <FGM/e4
if (!strAboutMenu.IsEmpty()) *BSL=8G{
{ Kr8p:$D};
pSysMenu->AppendMenu(MF_SEPARATOR); %Uuhi&PA-l
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); =:#$_qR
} rj,Sk~0Q
} VCh%v -/
SetIcon(m_hIcon, TRUE); // Set big icon Amz7j8zJ
SetIcon(m_hIcon, FALSE); // Set small icon =`{!" 6a
m_Key.SetCurSel(0); ~r=u1]z
RegisterHotkey(); N>@AsI
CMenu* pMenu=GetSystemMenu(FALSE); F-2HE><+
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); Oa*/jZjr
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); KaO8rwzDN
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); zQ7SiRt7*
return TRUE; // return TRUE unless you set the focus to a control F[Peil+|`
} fv)-o&Q#
<m9IZIY<
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) RJ@d_~%U
{ DGp'Xx_8
if ((nID & 0xFFF0) == IDM_ABOUTBOX) 7 +?
{ A*@!tz<
CAboutDlg dlgAbout; K\o!
dlgAbout.DoModal(); IDcu#Nz`
} (swP#t5S
else QK//bV)
{ R0{n0Br
CDialog::OnSysCommand(nID, lParam); Nnx"b 5I}n
} TN` pai0
} jtl7t59R
l HZf'P_Wx
void CCaptureDlg::OnPaint() $] w&`F-
{ 6nxf<1
if (IsIconic()) Rqu;;VI[
{ =@B9I<GKf
CPaintDC dc(this); // device context for painting ()XL}~I{!A
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); ou@Dd4
// Center icon in client rectangle t?{E_70W
int cxIcon = GetSystemMetrics(SM_CXICON); <r9J+xh*p
int cyIcon = GetSystemMetrics(SM_CYICON); 3/4xP|
CRect rect; {5_*tV<I
GetClientRect(&rect); 5P+3D{
int x = (rect.Width() - cxIcon + 1) / 2; V .$<