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:
:*#rRQ>t
A_@I_V$ 一、实现方法
p=2zS. <F ew<r2 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:
-<|Y 1PQ VF\{ra; #pragma data_seg("shareddata")
l`DtiJ?$$0 HHOOK hHook =NULL; //钩子句柄
Y=9qJ`q UINT nHookCount =0; //挂接的程序数目
F@<O;b#Ip static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
i[PvDv"n static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
mU50pM~/i static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
]+mjOks~ static int KeyCount =0;
3u*82s\8T static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
jH(&oV #pragma data_seg()
JwjI{,jY Rl1$?l6Rf 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
` ovgWv \N? 7WQ DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
FtN}]@F 5!tb$p#z BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
10?qjjb& cKey,UCHAR cMask)
!z?0 :Jg {
.xEJaID\N BOOL bAdded=FALSE;
`-o5&>'nf for(int index=0;index<MAX_KEY;index++){
{>/)5AGs if(hCallWnd[index]==0){
&2Q*1YXj hCallWnd[index]=hWnd;
b"Zq0M0l HotKey[index]=cKey;
s_xV-C#q@ HotKeyMask[index]=cMask;
J,RDTXqn bAdded=TRUE;
!I~C0u KeyCount++;
n3'dLJH| break;
lw s(/a*c }
{$0&R$v3 }
!Qcir&]C> return bAdded;
]Dh1~k.Kp }
te)n{K", //删除热键
8`*`nQhWa BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
\2j|=S6 {
A?DB#-z.r BOOL bRemoved=FALSE;
xkM] J)C for(int index=0;index<MAX_KEY;index++){
T(JuL<PB if(hCallWnd[index]==hWnd){
$6#
lTYN~ if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
Rnr#$C% hCallWnd[index]=NULL;
+ZclGchw HotKey[index]=0;
"?P[9x} HotKeyMask[index]=0;
L@nebT;\' bRemoved=TRUE;
{M[~E|@D KeyCount--;
^Z#@3= break;
:&9TW]*g }
Ge^Qar }
~H u"yAR }
f|#8qiUS return bRemoved;
Fom>'g* }
Z["BgEJ Pr`s0J%m \"'\MA DLL中的钩子函数如下:
S.W^7Ap ck$M(^)l LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
)km7tA
0a {
x/xb1" BOOL bProcessed=FALSE;
L%XXf3;c if(HC_ACTION==nCode)
'y.JcS!| {
ab@=cL~^ if((lParam&0xc0000000)==0xc0000000){// 有键松开
{OCJ(^8i switch(wParam)
qU -!7=}7 {
3b@VY'P case VK_MENU:
};r|}v !~_ MaskBits&=~ALTBIT;
1A^1@^{m' break;
Ig9d#c case VK_CONTROL:
84^[/d;! MaskBits&=~CTRLBIT;
GD&htob( break;
ZE
rdt:w case VK_SHIFT:
bK4&=#Zh MaskBits&=~SHIFTBIT;
x,\!DLq:p break;
R*bmu default: //judge the key and send message
B)6#Lp3 break;
t.)AggXj# }
3fp> 4;ym' for(int index=0;index<MAX_KEY;index++){
m2 O&2[g if(hCallWnd[index]==NULL)
UOt8Q0)} continue;
'_0 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
5ITq?%{M {
^)0 9OV+hF SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
5kn+
>{jh` bProcessed=TRUE;
|1Hc& }
0%
+' }
:6D0j }
!y. $J< else if((lParam&0xc000ffff)==1){ //有键按下
.YR8v1Cp switch(wParam)
'I v_mig {
MMgx|" case VK_MENU:
4,~tl~FD MaskBits|=ALTBIT;
C
) ?uE' break;
5g>wV
case VK_CONTROL:
CT p!di| MaskBits|=CTRLBIT;
7$7n71o break;
H\#:,s {1 case VK_SHIFT:
\bold" MaskBits|=SHIFTBIT;
3D_"yZ
break;
){ gAj default: //judge the key and send message
M{E{N K break;
NXI[q'y }
hcyO97@r for(int index=0;index<MAX_KEY;index++){
S-!=NX&C if(hCallWnd[index]==NULL)
0
iRR{a< continue;
"hPCQp`Tj if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
<lj\#'G3 {
R ]P;sk5 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
>1ZJ{se bProcessed=TRUE;
6 P*O&1hv }
sS9%3i/> }
TzKK;(GX }
wkBL=a if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
3?`" for(int index=0;index<MAX_KEY;index++){
?WHy0x20 if(hCallWnd[index]==NULL)
#epy%> continue;
p`P~i&_ if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
mCdgKr|n SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
e&1\'Zq?> //lParam的意义可看MSDN中WM_KEYDOWN部分
Mu2`ODe] }
OCK>%o$[ }
pM2a(\K,k^ }
zF: j return CallNextHookEx( hHook, nCode, wParam, lParam );
Uu'dv#4Iw }
$Q/Ya@o -5k2j^r; 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
#SnvV Uf$i3 BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
Hg+
F^2<y BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
2f,2rW^i %Q~CB7ILK 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:
jO8k6<l u|fXP)>. LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
8\Hr5FqB( {
wC`
R>) if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
1mH\k5xu {
SlaDt //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
CDdkoajBa SaveBmp();
-^SA8y return FALSE;
|/T43ADW }
?KP}#>Ba@ …… //其它处理及默认处理
>|*yh~ }
Y7SacRO CdZ BG v\%G|8+] 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。
RiR:69xwR* e;ty !)] 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。
>EP(~G3u
4["&O=:d 二、编程步骤
-JV~[-, (
u`W!{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";
HOZRYIQB !'0S0a8 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
>NM\TLET~ Bs!4H2@{(] 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;
FxRXPt
FK r;gP}H ? 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;
y%cO#P@ -F1-
e+= 5、 添加代码,编译运行程序。
(OmH~lSO. #YK5WTn5 三、程序代码
b,<9 )/|6'L-2 ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
nE|@IGH #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
Em^( #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
yL1CZ_ #if _MSC_VER > 1000
2]WE({P #pragma once
mT.e>/pa #endif // _MSC_VER > 1000
+ WDq=S #ifndef __AFXWIN_H__
[j9E pi( #error include 'stdafx.h' before including this file for PCH
0KvVw rWJ #endif
,1UZv>}S #include "resource.h" // main symbols
Qa`hR class CHookApp : public CWinApp
^b-18 ~s {
m,_d^ public:
t"AzI8O CHookApp();
e/ s(ojDW // Overrides
]%dnKP~ // ClassWizard generated virtual function overrides
:}q\tNY< //{{AFX_VIRTUAL(CHookApp)
\a|L/9% public:
pq!%?m] virtual BOOL InitInstance();
#"f'7'TE virtual int ExitInstance();
ZafboqsDL //}}AFX_VIRTUAL
r\M9_s8 //{{AFX_MSG(CHookApp)
N "Wqy // NOTE - the ClassWizard will add and remove member functions here.
Hs(D/&6% // DO NOT EDIT what you see in these blocks of generated code !
.v\\Tq&"| //}}AFX_MSG
~;#MpG;e DECLARE_MESSAGE_MAP()
"!UVs+)] };
R;}22s LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
xWX*tJ4 BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
eon!CE0 BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
b ,^*mx= BOOL InitHotkey();
;<wS+4, BOOL UnInit();
mpay^.(% #endif
-J0WUN$2* #exss=as/ //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
7Z,/g|s}z #include "stdafx.h"
1np^(['ih #include "hook.h"
U4,2 br> #include <windowsx.h>
TMVryb #ifdef _DEBUG
=
+Xc4a #define new DEBUG_NEW
KEr\nKT1 #undef THIS_FILE
Ufid%T' static char THIS_FILE[] = __FILE__;
{ T]?o~W #endif
=zg:aTMti #define MAX_KEY 100
X% {'<baR #define CTRLBIT 0x04
W WG /k17 #define ALTBIT 0x02
pW?&J>\6 #define SHIFTBIT 0x01
.[s2zI #pragma data_seg("shareddata")
qE7R4>5xjO HHOOK hHook =NULL;
u{f*
M,k UINT nHookCount =0;
)Y]/^1hx static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
5#JJ? static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
;/8 {N0 static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
[=TCEU{"~ static int KeyCount =0;
SU%DW 46 static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
UlovXb #pragma data_seg()
!?FK We HINSTANCE hins;
1s7^uA$}6 void VerifyWindow();
2k
-+^}r BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
sz95i|@/ //{{AFX_MSG_MAP(CHookApp)
n!ok?=(kQ // NOTE - the ClassWizard will add and remove mapping macros here.
9w4sSj` // DO NOT EDIT what you see in these blocks of generated code!
[`_io>*g //}}AFX_MSG_MAP
cma*Dc END_MESSAGE_MAP()
@R2at 4Yjx{5QSAG CHookApp::CHookApp()
HAB#pd9 {
$#NQ<3 // TODO: add construction code here,
F}
DUEDND* // Place all significant initialization in InitInstance
eiMH['X5 }
6[dur'x ,^s CHookApp theApp;
edC4BHE LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
kODK@w V- {
n \G Ry' BOOL bProcessed=FALSE;
$1Nd_pD= if(HC_ACTION==nCode)
&jQ?v@|1c {
rR{,)fX; if((lParam&0xc0000000)==0xc0000000){// Key up
4sFv?W switch(wParam)
":W%,`@$ {
GH4iuPh] case VK_MENU:
!.X.tc MaskBits&=~ALTBIT;
)@g;j> break;
2XSHZ|; case VK_CONTROL:
e$/B_o7( MaskBits&=~CTRLBIT;
\NL+}cL/ break;
b= PVIZ case VK_SHIFT:
3smM,fi MaskBits&=~SHIFTBIT;
":;@Hnb/ break;
i6PM<X,{; default: //judge the key and send message
'/%zi,0 break;
UVuDQ }
)mcEQ -!b for(int index=0;index<MAX_KEY;index++){
fys if(hCallWnd[index]==NULL)
MXh
"Y*} continue;
]Yyia.B if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
t-e5ld~a {
peVq+(=. SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
[J#1Ff; bProcessed=TRUE;
(M-ZQ
- }
=_TaA(79 }
i8pU|VpA }
{U11^w1"3 else if((lParam&0xc000ffff)==1){ //Key down
C? Zw6M+ switch(wParam)
Sr.;GS5i {
kJK,6mN case VK_MENU:
2 YxT MT MaskBits|=ALTBIT;
rjWLMbd.< break;
wsfd8T4 case VK_CONTROL:
7,$z;Lr0S MaskBits|=CTRLBIT;
2&(sa0*y break;
?/#}ZZK^ case VK_SHIFT:
quu*xJ;Ci MaskBits|=SHIFTBIT;
\+PIe7f_ break;
BN_7Ay/k default: //judge the key and send message
!
T9]/H? break;
Yx d X#3 }
-p,x&h,p for(int index=0;index<MAX_KEY;index++)
dKhA$f~ {
C*6S@4k if(hCallWnd[index]==NULL)
!Jfs?Hy continue;
Xh+ia#K if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
hZ\+FOx; {
8nNsrat SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
QL7>;t; bProcessed=TRUE;
Hgc=M }
Oxx^[ju~ }
,w)p"[^b }
F
phDF if(!bProcessed){
}E^S]hdvz for(int index=0;index<MAX_KEY;index++){
X=X\F@V:u if(hCallWnd[index]==NULL)
$ItF])Bj5N continue;
76fIC if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
L#h:*U{@40 SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
B/uniR^x }
m>&HuHf }
~4,I7c7 }
q!,zq return CallNextHookEx( hHook, nCode, wParam, lParam );
|BU+:+ }
K`:=]Z8 f6=w3RS BOOL InitHotkey()
Q}AE.Ef@< {
x2VBm$> if(hHook!=NULL){
/'DwfX nHookCount++;
V~{
_3YY return TRUE;
2h^WYpCm }
e&It else
rJfqA@ hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
- 0HkT Y if(hHook!=NULL)
uV6g[J nHookCount++;
,5k-.Md>2* return (hHook!=NULL);
I0= NaZ7 }
[\ )Ge BOOL UnInit()
ffDc6*.Q {
mXWTm%'[ if(nHookCount>1){
< a rZbM nHookCount--;
&x:JD1T} return TRUE;
ztM<J+ }
+*nGp5=^GE BOOL unhooked = UnhookWindowsHookEx(hHook);
@!tVr3;N$ if(unhooked==TRUE){
9L eNe}9v nHookCount=0;
v[k5.\No hHook=NULL;
\&xl{64 }
J QKdW return unhooked;
V2&^!#=s
}
25{ uz **_&i!dtL BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
")#<y@Rv {
ak:v3cQR BOOL bAdded=FALSE;
<|6%9@ for(int index=0;index<MAX_KEY;index++){
0&Gl@4oZ" if(hCallWnd[index]==0){
E;\M1(\u hCallWnd[index]=hWnd;
y&T&1o HotKey[index]=cKey;
(g8*d^u#PO HotKeyMask[index]=cMask;
|KCOfVh?|. bAdded=TRUE;
m7]hJ,0 KeyCount++;
[G|mY6F^ break;
Y#V8(DTyH }
P<dy3; }
VkmRh,T return bAdded;
D@Da0 }
J@"utY6N t@zdmy BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
'w/qcD- {
2i=H"('G)+ BOOL bRemoved=FALSE;
PK6iY7Qp) for(int index=0;index<MAX_KEY;index++){
!-]C;9Zd if(hCallWnd[index]==hWnd){
~XM[>M\qB if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
8}p8r|d!ls hCallWnd[index]=NULL;
<EX7WA HotKey[index]=0;
|(IO=V4P HotKeyMask[index]=0;
0OZ Mlt%z bRemoved=TRUE;
LC69td& KeyCount--;
w:=V@-S8 break;
!F4;_A`X }
JMV50 y }
3 pWM~(#>- }
{[G`Z9]z&- return bRemoved;
lPq\=V }
gvavs+H% cA`4:gp void VerifyWindow()
~4 #B'Gy[ {
Wsz0yHD[` for(int i=0;i<MAX_KEY;i++){
.jg0a if(hCallWnd
!=NULL){ `$;+g ,
if(!IsWindow(hCallWnd)){ 2OBfHO~D
hCallWnd=NULL; m9$:9yRm
HotKey=0; D9ufoa&ua
HotKeyMask=0; cSD{$B:
KeyCount--; a=]Wzlz
} LgqGVh3\s
} 3!9Z=-tD
} ^JeMuU
} HD`>-E#
F3E[wdT
BOOL CHookApp::InitInstance() AHh#Fx+K
{ a' FN 3
AFX_MANAGE_STATE(AfxGetStaticModuleState()); }<m{~32M
hins=AfxGetInstanceHandle(); ~hX-u8Ul'N
InitHotkey(); ;2`sN
return CWinApp::InitInstance(); }7/e8 O2
} UGKaOol.
?bX
int CHookApp::ExitInstance() ~5aE2w0K
{ m\0cE1fir
VerifyWindow(); mw$Y
UnInit(); .J.vC1 4gi
return CWinApp::ExitInstance(); b[^{)$(
} 6vs3O
`aSM8C\
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file Y*YFB|f?
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) eD#XDK
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ [I+9dSM1t
#if _MSC_VER > 1000 cnNOZ$)
#pragma once v"lf-c
#endif // _MSC_VER > 1000 gT52G?-
4YA./j%'
class CCaptureDlg : public CDialog ur%$aX)
{ y;`eDS'0.N
// Construction wz(K*FP
public: 'imU`zeo
BOOL bTray; p]|LV)R n
BOOL bRegistered; *o?i:LE]
BOOL RegisterHotkey(); Fz"ff4Bx [
UCHAR cKey; f05d ;
UCHAR cMask; #gZ|T
M/h
void DeleteIcon(); ~9M!)\~
void AddIcon(); ;IP~Tb]&
UINT nCount; D!3{gV#
void SaveBmp(); &w\I<J`T
CCaptureDlg(CWnd* pParent = NULL); // standard constructor yXfMzG
// Dialog Data
P'[<AZ
//{{AFX_DATA(CCaptureDlg) m#@_8_ M
enum { IDD = IDD_CAPTURE_DIALOG }; hl/itSl$
CComboBox m_Key; a|qsQ'1,;
BOOL m_bControl; :{}_|]>K
BOOL m_bAlt; .KA V) So"
BOOL m_bShift; |ng%PQq)
CString m_Path; s@@1
*VQ
CString m_Number; Ob@Hng%v
//}}AFX_DATA BW K IbG
// ClassWizard generated virtual function overrides f6ZZ}lwaV
//{{AFX_VIRTUAL(CCaptureDlg) A|RR]CFJ
public: D(XqyN-P
virtual BOOL PreTranslateMessage(MSG* pMsg); 4('JwZw\!
protected: 9C}qVoNu
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support {U @3yB
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); +<(a}6dt
//}}AFX_VIRTUAL &^QPkX@p
// Implementation ^X?D#\
protected: Ie_I7YJ
HICON m_hIcon; y?:dE.5p|
// Generated message map functions YMzBAf
//{{AFX_MSG(CCaptureDlg) Go8F5a@j
virtual BOOL OnInitDialog(); !D:k!
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); F@SG((`
afx_msg void OnPaint(); *@M3p}',M
afx_msg HCURSOR OnQueryDragIcon(); %J P!{mqj
virtual void OnCancel(); Da,Tav%b
afx_msg void OnAbout(); 8 njuDl
afx_msg void OnBrowse(); X#J6Umutm
afx_msg void OnChange(); \ lr/;-zP
//}}AFX_MSG 8F6h#%9
DECLARE_MESSAGE_MAP() ^#SBpLw
}; zy)i1d
#endif 'D6
bmz
sBjXE>_#)
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file I,P!@
#include "stdafx.h" J W"
#include "Capture.h" uLW/f=7L
#include "CaptureDlg.h" L#j/0IHD
#include <windowsx.h> i\x~iP&F$
#pragma comment(lib,"hook.lib") Alu5$6X
#ifdef _DEBUG $WaZ_kt
#define new DEBUG_NEW /tC9G@Hl
#undef THIS_FILE ]Z@k|Nw
static char THIS_FILE[] = __FILE__; gxM[V>[
#endif Slx2z%'>
#define IDM_SHELL WM_USER+1 ;'1Apy
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); /H&aMk}J@y
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); myvh@@N
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; ]N}]d
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class CAboutDlg : public CDialog Q_}n%P:u
{ j
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public: ^ KOzCLC
CAboutDlg(); 9q|7<raS
// Dialog Data dU+0dZdKO
//{{AFX_DATA(CAboutDlg) &o.iUk
enum { IDD = IDD_ABOUTBOX }; otq,R6 ^
//}}AFX_DATA g!^J ,e=
// ClassWizard generated virtual function overrides In(NF#
//{{AFX_VIRTUAL(CAboutDlg) Mq+<mX7
protected: Bl4 dhBZoO
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support fN[n>%)VO<
//}}AFX_VIRTUAL {j@+h%sF>+
// Implementation -Enbcz(B
protected: jsm0kz
//{{AFX_MSG(CAboutDlg) P9yw&A
//}}AFX_MSG #s^s_8#&e
DECLARE_MESSAGE_MAP() mQ,{=C=D
}; Xp^$
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:~-i&KNk
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) Lz6*H1~
{ 2oB?Dn
//{{AFX_DATA_INIT(CAboutDlg) <7RfBR.9
//}}AFX_DATA_INIT <.$,`m,
} ;,`]O!G:P
s`vSt*
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void CAboutDlg::DoDataExchange(CDataExchange* pDX) ITvHD-,\
{ -tP.S1D
CDialog::DoDataExchange(pDX); |[WL2<
//{{AFX_DATA_MAP(CAboutDlg) Q
X):T#^V
//}}AFX_DATA_MAP V.j#E1 P
} FO^24p
;Jo*|pju
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) qw0~*0}
//{{AFX_MSG_MAP(CAboutDlg) cG(0q[
// No message handlers |_I[1%&`N
//}}AFX_MSG_MAP |Gc&1*$
END_MESSAGE_MAP() npj5U/
88YC0!Ni
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) _LsYMUe
: CDialog(CCaptureDlg::IDD, pParent) L9J;8+ge
{ gvr]]}h:O
//{{AFX_DATA_INIT(CCaptureDlg) .+uVgSN
m_bControl = FALSE; j4vB`Gr]
m_bAlt = FALSE; S)Mby
m_bShift = FALSE; Ij,Yuo
m_Path = _T("c:\\"); I+~\
w N
m_Number = _T("0 picture captured."); 1>;6x^_h0S
nCount=0; !7Uu]m69n
bRegistered=FALSE; kaC+I"4c
bTray=FALSE; B[7A
//}}AFX_DATA_INIT PL!tk^;6-
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 J~'~[,K
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); S5/p=H:
} Bxt_a.LthH
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void CCaptureDlg::DoDataExchange(CDataExchange* pDX) dcP88!#5-
{ 'tSnH&c
CDialog::DoDataExchange(pDX); Q'C4pn@
//{{AFX_DATA_MAP(CCaptureDlg) Xky@[Td*
DDX_Control(pDX, IDC_KEY, m_Key); wOM<XhZ
DDX_Check(pDX, IDC_CONTROL, m_bControl); w'XSb.\)_m
DDX_Check(pDX, IDC_ALT, m_bAlt); x{j+}'9
DDX_Check(pDX, IDC_SHIFT, m_bShift); ++gPv}:$X
DDX_Text(pDX, IDC_PATH, m_Path); ZR2\dH*
DDX_Text(pDX, IDC_NUMBER, m_Number); l3\9S#3-^
//}}AFX_DATA_MAP R/rcXX7%
} 9Q=>MOB-
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BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) 1sMV`qv>
//{{AFX_MSG_MAP(CCaptureDlg) !,R
ON_WM_SYSCOMMAND() /O_0=MLp
ON_WM_PAINT() +> ^[W~[2
ON_WM_QUERYDRAGICON() w4aiI2KFq
ON_BN_CLICKED(ID_ABOUT, OnAbout) Uv'uqt
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) 9QZ}Hn`p
ON_BN_CLICKED(ID_CHANGE, OnChange) 5@iy3olP
//}}AFX_MSG_MAP H!#5!m&
END_MESSAGE_MAP() A` =]RJ
4a1BGNI%SW
BOOL CCaptureDlg::OnInitDialog() v$Dh.y
{ ^X$
I= ro
CDialog::OnInitDialog(); T77)Np
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); [e1\A&T
ASSERT(IDM_ABOUTBOX < 0xF000); #yX^?+Rc
CMenu* pSysMenu = GetSystemMenu(FALSE); y]MWd#U
if (pSysMenu != NULL) [ns&Y0Y`t
{ ^Jn|*?+l
CString strAboutMenu; <G&WYk%u*
strAboutMenu.LoadString(IDS_ABOUTBOX); ~V!EtZG$
if (!strAboutMenu.IsEmpty()) v(a9#bMZU
{ Le_CIk 5YL
pSysMenu->AppendMenu(MF_SEPARATOR); Od*v5qT;$
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); P mC82"
} VBhE{4J
} ?3n=m%W,J*
SetIcon(m_hIcon, TRUE); // Set big icon qPp]K?.
SetIcon(m_hIcon, FALSE); // Set small icon 2,+@#q
m_Key.SetCurSel(0); rdFs?hO
RegisterHotkey(); Hc>([?P%t
CMenu* pMenu=GetSystemMenu(FALSE); 8R&z3k;!t
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); XpOCQyFnM
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); ~;TV74~rr
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); E8+8{
#f;
return TRUE; // return TRUE unless you set the focus to a control vsjM3=
} gp%tMTI1
Bk@bN~B4
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) |%n|[LP'
{ 3SmqXPOw
if ((nID & 0xFFF0) == IDM_ABOUTBOX) HH+TjX/b
{ ER/\ +Z#Z
CAboutDlg dlgAbout; B>1M$3`E
dlgAbout.DoModal(); 0H;"5
} R,uJK)m
else Wn b)*pPP
{ <JG Yr 4V
CDialog::OnSysCommand(nID, lParam); H+nr5!`kz
} kWI]fZ_n
} Qh/lT$g
TeOFAIU
void CCaptureDlg::OnPaint() FW/6{tm
{ 1a \=0=[
if (IsIconic()) M_yZR^;^-
{ _CHKh*KHML
CPaintDC dc(this); // device context for painting |.^^|@+
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); FLw[Mg:L
// Center icon in client rectangle k&n\
=tKN
int cxIcon = GetSystemMetrics(SM_CXICON); 4U_rB9K$
int cyIcon = GetSystemMetrics(SM_CYICON); o-~-F+mj#
CRect rect; gGF$M
`
GetClientRect(&rect);
GE{8I<7c
int x = (rect.Width() - cxIcon + 1) / 2; %
E<FB ;h
int y = (rect.Height() - cyIcon + 1) / 2; 3L%Y"4(mm
// Draw the icon D
"JMSL4r
dc.DrawIcon(x, y, m_hIcon); ;]|m((15G
} BASO$?jf4
else N)`tI0/W
{ Ufyxw5u5F
CDialog::OnPaint(); Z?vY3)
} lv*Wnn@k
} 4KN0i
A;K{ &x
HCURSOR CCaptureDlg::OnQueryDragIcon() AEBw#v!,o
{ *9\oD~2Y
return (HCURSOR) m_hIcon; #1gTpb+t
} 9?EY.}~
NHst7$Y<
void CCaptureDlg::OnCancel() >?H_A
{ :0i#=ODR
if(bTray) wI|bBfd(
DeleteIcon(); jJiCF,m
CDialog::OnCancel(); g`y/_
} b#bO=T$e-
TiwHLb9
void CCaptureDlg::OnAbout() :FEd:0TS
{ Lqy|DJ%
CAboutDlg dlg; gEX:S(1QP
dlg.DoModal(); FZ;YvdX6
} &