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:
THegPD67J
NZC<m$') 一、实现方法
]9!Gg G <} 7vF 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:
PW(_yB; ?S;et2f #pragma data_seg("shareddata")
h8Dtq5t4 HHOOK hHook =NULL; //钩子句柄
?h>(&HjWV UINT nHookCount =0; //挂接的程序数目
Gl3 `e&7 static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
ee__3>H"/ static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
$i5G7b static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
s.k`];wo static int KeyCount =0;
_rWTw+
L static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
(7
]\p #pragma data_seg()
AmUe0CQ:k' K6PC&+x 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
^MF=,U'8 >?:i6&4o DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
oW\Q>c7
= rzc 3k~@ BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
% B7?l cKey,UCHAR cMask)
_.s\qQ {
72BzvY. BOOL bAdded=FALSE;
# UP,;W for(int index=0;index<MAX_KEY;index++){
b*$o[wO9 if(hCallWnd[index]==0){
.pNq-T hCallWnd[index]=hWnd;
&**.naSo HotKey[index]=cKey;
i&AXPq>` HotKeyMask[index]=cMask;
exa}dh/uC bAdded=TRUE;
j[Hg] KeyCount++;
Lt#:R\;& break;
Bk@_]a }
A=@V LU4% }
'RN"yMv7l return bAdded;
Ezo" f }
3 8ls 4v3 //删除热键
"X!_37kQ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
-&HoR!af {
~h~r]tV*+ BOOL bRemoved=FALSE;
ZFd{q)qe for(int index=0;index<MAX_KEY;index++){
g
tSHy*3] if(hCallWnd[index]==hWnd){
g]TI8&tP!L if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
fitK2d hCallWnd[index]=NULL;
PdE)m/ HotKey[index]=0;
dzk?Zg HotKeyMask[index]=0;
'p{Y{
$Q bRemoved=TRUE;
E!oJ0*@ KeyCount--;
o 2$<>1^ break;
d<^6hF }
8?]%Qi }
=-#iXP@ }
_s=Pk[e return bRemoved;
ZS
7)(j$. }
))we\I__8 `04Y ;@w $4fjSSB~ DLL中的钩子函数如下:
//@sktHsw( ( kD?},Z LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
_j?=&tc {
b~N|DKj BOOL bProcessed=FALSE;
)l/C_WEK if(HC_ACTION==nCode)
kdZ-<O7@ {
Y7IlqC`i if((lParam&0xc0000000)==0xc0000000){// 有键松开
V0wC@? switch(wParam)
.(.G`aKnF {
gP"Mu#/D case VK_MENU:
SJY"]7 MaskBits&=~ALTBIT;
T<_1|eH break;
d#$i/&gE case VK_CONTROL:
FCw
VVF0y MaskBits&=~CTRLBIT;
2* cKFv{ break;
WLA_YMlA case VK_SHIFT:
RdpQJ)3F MaskBits&=~SHIFTBIT;
19.!$; break;
^9m^#"ZW` default: //judge the key and send message
[pyXX>:M break;
j4hUPL7
}
Q-3J0= for(int index=0;index<MAX_KEY;index++){
}F9?*2\/ if(hCallWnd[index]==NULL)
#)c;i<Q3S continue;
5la]l if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
rea}Uq+po {
[&k& $04_ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
%PNm7s4x2 bProcessed=TRUE;
> & lg }
F$pd]F!# }
& m ";D }
(Su2\x else if((lParam&0xc000ffff)==1){ //有键按下
9\;/-0P switch(wParam)
Y3F.hk}O {
41_sSqq;^ case VK_MENU:
,t,65@3+b MaskBits|=ALTBIT;
K,T]Fuy break;
MLDg).5 case VK_CONTROL:
nCmrt*&} MaskBits|=CTRLBIT;
d~oWu [F* break;
QRc=-Wu_( case VK_SHIFT:
bJ5z?? MaskBits|=SHIFTBIT;
Ab|NjY: break;
bTYP{x~ y default: //judge the key and send message
0GLB3I > break;
{;rpgc }
Xf/<.5A for(int index=0;index<MAX_KEY;index++){
7|?@\ZE if(hCallWnd[index]==NULL)
;`Ch2b1+ continue;
$/sZYsN~T if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
Q\th8/ / {
zAdVJ58H SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
?
Gu_UW bProcessed=TRUE;
_O71r}4 }
29E@e]Y,` }
o\Vt $ }
IF21T if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
G6g=F+X2 for(int index=0;index<MAX_KEY;index++){
"I1M$^8n if(hCallWnd[index]==NULL)
in|7ucSlg continue;
At_Y$N: if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
s)ajy^6'M SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
RwLdV+2\R` //lParam的意义可看MSDN中WM_KEYDOWN部分
^oZs&+z }
,lG wW8$R }
?;kc%Rz }
%>}7$Y% return CallNextHookEx( hHook, nCode, wParam, lParam );
Z["nY&.sI }
>]N0w i!-sbwd7 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:
,Onm!LI= SNV+.xN BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
gKH"f%lK BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
GHrT?zEX z Clm'X/ 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:
S:T>oFUot * =N6_ LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
Y:Tt$EQ {
:jp$X| if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
`v+O5 {
{Q3#]Vu //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
5m;wMW< SaveBmp();
i3!$M/_] return FALSE;
?At-
}
m<HjL …… //其它处理及默认处理
N=Yi:+ }
}U1{&4Ph
vX )Y%I ap_+C~%+ 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
?B4QTx9B KTREOOu .t 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
S~9kp?kR$ w3hL.Z,kV 二、编程步骤
|?Uc:VFF B_G7F[/K 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";
5?Ao9Q]@ s9dBXfm 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
!f2>6}hE OnJSu
z>- 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;
P+l^Ep8P +:8YMM#9V 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;
O&RHCR-\ >R0j<:p : 5、 添加代码,编译运行程序。
?(hQZR
0e f
}e7g d]M 三、程序代码
`I<|*vW
u #FM 'S| ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
O!yn
`<l #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
^^(ZK 6 d #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
_!Q\Xn #if _MSC_VER > 1000
-$p-o
Z) #pragma once
Zdz GJ[$ #endif // _MSC_VER > 1000
4vJIO{m #ifndef __AFXWIN_H__
mTbPzZ4 #error include 'stdafx.h' before including this file for PCH
LKG|S<s #endif
YZJP7nN #include "resource.h" // main symbols
RH 0a\RC!G class CHookApp : public CWinApp
+N!{(R:"v} {
he6)
L6T public:
Ct33S+y CHookApp();
j;vaNg|vQ // Overrides
bHG>SW\]`? // ClassWizard generated virtual function overrides
:
s3Vl //{{AFX_VIRTUAL(CHookApp)
lO@Ba;x public:
Z@umbyM virtual BOOL InitInstance();
gQGiph | virtual int ExitInstance();
eT?LMBn\ //}}AFX_VIRTUAL
.
2Q/D?a //{{AFX_MSG(CHookApp)
o8"xoXK5xf // NOTE - the ClassWizard will add and remove member functions here.
<6 $%Y2 // DO NOT EDIT what you see in these blocks of generated code !
]<_+uciP5[ //}}AFX_MSG
#bH[UId[ DECLARE_MESSAGE_MAP()
a}{! %5 };
pr?(5{BL LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
9(]j
e4Cn BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
]d(}b>gR~( BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
$SgD|
9 BOOL InitHotkey();
nwVtfsb BOOL UnInit();
] lTfi0}g_ #endif
)9,"~P2[R Hn.UJ4V //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
`Nr7N#g+u #include "stdafx.h"
Qgi:q #include "hook.h"
6U]7V #include <windowsx.h>
6<6_W# #ifdef _DEBUG
iDN,}:<V #define new DEBUG_NEW
s*Ll\# #undef THIS_FILE
],4LvIPD static char THIS_FILE[] = __FILE__;
s| oU$?eA #endif
- d6> #define MAX_KEY 100
OkXOV #define CTRLBIT 0x04
~:Nyv+g,$ #define ALTBIT 0x02
v}i}pQ\DK #define SHIFTBIT 0x01
XCoOs<O:@ #pragma data_seg("shareddata")
&GAx*.L HHOOK hHook =NULL;
d_hcv|% UINT nHookCount =0;
Aed"J5[a static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
fba3aId[ static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
*4E,|IJ static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
o~ed0>D-LS static int KeyCount =0;
"f+2_8%s+ static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
\x}UjHYIc& #pragma data_seg()
:4d7%q HINSTANCE hins;
6;DPGx void VerifyWindow();
@TDcj~oR? BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
FT=>haN //{{AFX_MSG_MAP(CHookApp)
[5-5tipvWp // NOTE - the ClassWizard will add and remove mapping macros here.
yFqC-t-i // DO NOT EDIT what you see in these blocks of generated code!
gw^+[}U# //}}AFX_MSG_MAP
MIJ~j><L END_MESSAGE_MAP()
SqQB>;/p I&c#U+-A' CHookApp::CHookApp()
on$a]zx'@ {
nm.d.A/]Z // TODO: add construction code here,
%{"STbO #> // Place all significant initialization in InitInstance
hW&UG#PY> }
.}wir, !NtY4O/ CHookApp theApp;
m~A/.t%= LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
t=#)3C`Q} {
-D(!B56_ BOOL bProcessed=FALSE;
E83nEUs if(HC_ACTION==nCode)
w8Yff[o {
|Sq>uC) if((lParam&0xc0000000)==0xc0000000){// Key up
$G[##j2 switch(wParam)
b :00w[" {
JZ
[&: case VK_MENU:
E%N]t} }[ MaskBits&=~ALTBIT;
)ej8vm break;
`1gsrHi4N case VK_CONTROL:
lVHJ}(<'p MaskBits&=~CTRLBIT;
WP9=@X Z break;
:C5N(x case VK_SHIFT:
o-_a0j MaskBits&=~SHIFTBIT;
-u{:39y{n break;
Z)~2{) default: //judge the key and send message
Z "u/8 break;
$9/r*@bu8d }
TEtZPGFl for(int index=0;index<MAX_KEY;index++){
B=7L+6 if(hCallWnd[index]==NULL)
WD:5C3; continue;
Wu(GC]lTG if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
6gXc-}dp {
F(9T;F SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
<Coh
&g_ bProcessed=TRUE;
#XZ?,neY }
`4MPXfoBL }
'
BpRi N }
R0WJdW# else if((lParam&0xc000ffff)==1){ //Key down
"d'@IN switch(wParam)
eJ'ojc3 {
jiat5 case VK_MENU:
p5\b&~
g MaskBits|=ALTBIT;
tx.sUu6 break;
'4iu0ie>D case VK_CONTROL:
'E9jv4E$n MaskBits|=CTRLBIT;
i \~4W$4I break;
o9CB
,c7] case VK_SHIFT:
?`xId;}J#7 MaskBits|=SHIFTBIT;
Tym!7H2 break;
'@FKgy;B)- default: //judge the key and send message
sx;1V{|g break;
y<
84Gw_ }
8Vx'sJ>r4 for(int index=0;index<MAX_KEY;index++)
R=l/EK {
.gB*Y!c7 if(hCallWnd[index]==NULL)
c72/e7gV continue;
c!c!;( if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
3HD=)k {
b3ZPlLx6 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
?^5x
d1>E bProcessed=TRUE;
<q|19fH-5 }
]Q+Tm2{ }
<_5z^@N3$ }
?AEpg.9R- if(!bProcessed){
^t"\PpmK<d for(int index=0;index<MAX_KEY;index++){
<m!\Ma if(hCallWnd[index]==NULL)
@m6E*2Gg continue;
_<8n]0lX3 if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
\*7Tj-# SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
`k+k&t }
lH[N*9G( }
e>[QF+e)y }
QL3%L8 return CallNextHookEx( hHook, nCode, wParam, lParam );
#/aWGx_ }
^J327 ^U52
*6 BOOL InitHotkey()
F=cO=5Iz {
g#e"BBm=A if(hHook!=NULL){
IzG7!K nHookCount++;
q8U]Hyp(` return TRUE;
1t6UI4U!$ }
/2c?+04+ else
^;'3(m= hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
n`6vM4rM) if(hHook!=NULL)
_\[Zr.y nHookCount++;
3Cpix,Dc return (hHook!=NULL);
/<@oUv }
?D#Vh a BOOL UnInit()
']V 2V)t {
a 3HS!/ if(nHookCount>1){
XG0,@Ly nHookCount--;
2`;
0y M return TRUE;
)|:|.`H }
1\1o65en BOOL unhooked = UnhookWindowsHookEx(hHook);
(+_Amw!W if(unhooked==TRUE){
2a{eJ89f nHookCount=0;
)Aj~ xA hHook=NULL;
f@yST z;u }
"*UHit;"+{ return unhooked;
1iUy*p65: }
6d_l[N {W0@lMrD BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
`.n[G~*w~1 {
E@?jsN7 BOOL bAdded=FALSE;
]LD@I;(_ for(int index=0;index<MAX_KEY;index++){
RAe:$Iv$!v if(hCallWnd[index]==0){
GDk/85cv0$ hCallWnd[index]=hWnd;
X{)M}WO+r HotKey[index]=cKey;
2D
"mq~V HotKeyMask[index]=cMask;
^uYxeQY[ bAdded=TRUE;
[;c#LJ/y KeyCount++;
[Ga9^e$Zv break;
_9<Ko.GVq }
3]wV`mD }
c1c0b|B!U return bAdded;
;yH/GN#O }
K]RkKMT, >J4_/p>Qs BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
*-2u0 %
{
wsM5TB BOOL bRemoved=FALSE;
$Cte$jg{; for(int index=0;index<MAX_KEY;index++){
`74A'(u_ if(hCallWnd[index]==hWnd){
(HY|0Bgr if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
x;ujR< hCallWnd[index]=NULL;
&D/_@\ 0 HotKey[index]=0;
yHCBf)N7\ HotKeyMask[index]=0;
/7*u!CNm bRemoved=TRUE;
Tmq:,.^} KeyCount--;
BONM:(1 break;
&0M^UvO }
98x(2fCvF( }
WFtxEIrl3j }
GX\/2P7CZ return bRemoved;
=\tg$ }
% nJ'r?+h zc(-dMlK void VerifyWindow()
t0/fF'GZD {
N~SG=\rP;o for(int i=0;i<MAX_KEY;i++){
"xw2@jGpG if(hCallWnd
!=NULL){ Z[|(}9v?~
if(!IsWindow(hCallWnd)){ !IP[C?(nB
hCallWnd=NULL; k)'c$
HotKey=0; =8[HC}s|$
HotKeyMask=0; aVd{XVE
KeyCount--; ~W!sxM5(*
} w+PbT6;
} 1'M<{h<sP
} --y.q~d
} I( pU_7mw
C5F}*]E[y
BOOL CHookApp::InitInstance() hb`(d_= 7F
{ $BCqz! 4K
AFX_MANAGE_STATE(AfxGetStaticModuleState()); ;[&g`%-H<
hins=AfxGetInstanceHandle(); $$AKz\
InitHotkey(); WnA]gyc
return CWinApp::InitInstance(); ^oM*f{9
} +b
1lCa_
aM~M@wS
int CHookApp::ExitInstance() iz>a0~(K
{ pS9CtQqvgy
VerifyWindow(); Ju+r@/y%
UnInit(); v]c1|?9p'
return CWinApp::ExitInstance(); M++*AZ
} A-uEZj_RD=
r'-)@|
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file LDO@$jg
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) s>^*GQw
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ (Zx;GS
#if _MSC_VER > 1000 zkB_$=sbn#
#pragma once R:zjEhH)
#endif // _MSC_VER > 1000 8z\WyDz
cvi+AZ=
class CCaptureDlg : public CDialog C^]bXIb
{ ,Epg&)wC]
// Construction I
91`~0L*
public: Qr$uFh/y
BOOL bTray; W.{#Pg1Da
BOOL bRegistered; HX?5O$<<N
BOOL RegisterHotkey(); EPW
Iu)A
UCHAR cKey; b>?X8)f2e
UCHAR cMask; WnU"&XZ
void DeleteIcon(); + ,0RrD )
void AddIcon(); G
?H`9*y
UINT nCount; OP{ d(~+
void SaveBmp(); -&y{8<bu4H
CCaptureDlg(CWnd* pParent = NULL); // standard constructor ]Ocf %(
// Dialog Data a'rN&*P
//{{AFX_DATA(CCaptureDlg) ^!!@O91T
enum { IDD = IDD_CAPTURE_DIALOG }; RR*<txdN
CComboBox m_Key; =DUsQN!
BOOL m_bControl; 0~Z2$`(
BOOL m_bAlt; =#SKN\4
BOOL m_bShift; YB.r-c"Y
CString m_Path; ZmU S}
CString m_Number; 9-I;'
//}}AFX_DATA P*Uu)mG)G
// ClassWizard generated virtual function overrides K'7i$bl%
//{{AFX_VIRTUAL(CCaptureDlg) mq do@
public: tNoo3&
virtual BOOL PreTranslateMessage(MSG* pMsg); /EA4-#uw
protected: =&< s*-l[
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support i` n,{{x&4
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); rV54-K;`0
//}}AFX_VIRTUAL pu=Q;E_f[
// Implementation 32:q'
protected: 8it|yK.G@&
HICON m_hIcon; M n3cIGL
// Generated message map functions JO1KkIV
//{{AFX_MSG(CCaptureDlg) :TxfkicN\
virtual BOOL OnInitDialog(); M8Q-x-7
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); dt<PZ.
afx_msg void OnPaint(); [wi "
afx_msg HCURSOR OnQueryDragIcon(); v_En9~e^n
virtual void OnCancel(); P] ouLjyq
afx_msg void OnAbout(); zsc8Lw
afx_msg void OnBrowse(); \|L@
afx_msg void OnChange(); \ 2*<Pq
//}}AFX_MSG VrrCW/o
DECLARE_MESSAGE_MAP() fYl$$.
}; A!x_R {,yH
#endif NyFa2Ihd
Jr==AfxyT
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file S2@[F\|r
#include "stdafx.h" 120<(#
#include "Capture.h" D9 OS,U/l
#include "CaptureDlg.h" 8yF15['
#include <windowsx.h> .TSj8,
#pragma comment(lib,"hook.lib") t=d~\_Oa
#ifdef _DEBUG _A;jtS)SY
#define new DEBUG_NEW r*OSEzGUz
#undef THIS_FILE r\.1=c#"bP
static char THIS_FILE[] = __FILE__; u yzc"di
#endif 7AX<>^
#define IDM_SHELL WM_USER+1 /xWkP{
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); jxm.x[1ki^
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); (>%Ddj6_>
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; eo24I0`N
class CAboutDlg : public CDialog k*\WzBTd
{ != _:*U)-'
public: uI}S9
CAboutDlg(); m>yk4@a
// Dialog Data y4t M0h
//{{AFX_DATA(CAboutDlg) =)
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enum { IDD = IDD_ABOUTBOX }; f
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//}}AFX_DATA Kzb&aOw
// ClassWizard generated virtual function overrides b54<1\&
//{{AFX_VIRTUAL(CAboutDlg) ?kI-o0@O.
protected: 6@t4pML
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support U"v(9m@
//}}AFX_VIRTUAL No=Ig-It
// Implementation G^ZL,{
protected: zQMsS
//{{AFX_MSG(CAboutDlg) a]>gDDF
//}}AFX_MSG 7<<pP
DECLARE_MESSAGE_MAP() ;O}%_ef@
}; bjmUU6VLT
Ia=wf"JS)
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) Xw(e@:
{ Z2_eTC
u
//{{AFX_DATA_INIT(CAboutDlg) ),(ejRP'r
//}}AFX_DATA_INIT cZuZfMDM
} (wdE@/V
RY8;bUSR
void CAboutDlg::DoDataExchange(CDataExchange* pDX) q.yS j
{ &cV$8*2b^
CDialog::DoDataExchange(pDX); VLQDktj&
//{{AFX_DATA_MAP(CAboutDlg) /V+N
//}}AFX_DATA_MAP tO~DA>R
} M}k )Ep9
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-[R
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) >0k7#q}O
//{{AFX_MSG_MAP(CAboutDlg) 7hZCh,O
// No message handlers 'ejuzE9
//}}AFX_MSG_MAP m\(4y Gj
END_MESSAGE_MAP() B$1e AwT9
cKEf- &~
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) B.-5$4*s
: CDialog(CCaptureDlg::IDD, pParent) 9<I@}w
{ F #Uxl%h
//{{AFX_DATA_INIT(CCaptureDlg) >eQ;\j
m_bControl = FALSE; (YVl5}V
m_bAlt = FALSE; W$O^IC
m_bShift = FALSE; %*wJODtB|
m_Path = _T("c:\\"); H$>D_WeJ
m_Number = _T("0 picture captured."); !@{_Qt1
nCount=0; ^>gRK*,
bRegistered=FALSE; s3HwBA
bTray=FALSE; [u;]J*
//}}AFX_DATA_INIT kj~)#KDN
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 -==@7*x!Z
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); ~
'
81
} LyH8T'C~
p%EU,:I6
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) .Qg!_C
{ kSv?p1\@&P
CDialog::DoDataExchange(pDX); 6Xb\a^q
//{{AFX_DATA_MAP(CCaptureDlg) z'=*pIY5f
DDX_Control(pDX, IDC_KEY, m_Key); iT1"Le/N
DDX_Check(pDX, IDC_CONTROL, m_bControl); $v#Q'?jE
DDX_Check(pDX, IDC_ALT, m_bAlt); JR|yg=E
DDX_Check(pDX, IDC_SHIFT, m_bShift); D|/Azy.[
DDX_Text(pDX, IDC_PATH, m_Path); I&l 1b>
DDX_Text(pDX, IDC_NUMBER, m_Number); 2+M(!FHfy
//}}AFX_DATA_MAP -l+&Bkf
} R/R[r> 1)6
\[Op:^S
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) i;;CU9`E2q
//{{AFX_MSG_MAP(CCaptureDlg) gV1&b
(h
ON_WM_SYSCOMMAND() 4-^|e
ON_WM_PAINT() ;2q;RT`h
ON_WM_QUERYDRAGICON() M p:c.
ON_BN_CLICKED(ID_ABOUT, OnAbout) vmK<_xbwd
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) @+h2R
ON_BN_CLICKED(ID_CHANGE, OnChange) 5gARGA
//}}AFX_MSG_MAP /Mb?dVwA
END_MESSAGE_MAP() izsAn"v
s
Z(LT'}
BOOL CCaptureDlg::OnInitDialog() 2hdi)C,7Y
{ E]WammX c
CDialog::OnInitDialog(); N3g[,BE
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); _m;0%]+
ASSERT(IDM_ABOUTBOX < 0xF000); EKZ40z`
CMenu* pSysMenu = GetSystemMenu(FALSE); ?vPw I
if (pSysMenu != NULL) zuUf:%k}I
{ D{'x7!5r
CString strAboutMenu; FiMP_ y*S
strAboutMenu.LoadString(IDS_ABOUTBOX); "2;$?*hO#
if (!strAboutMenu.IsEmpty()) X&nkc/erx
{ 5|f[evQj<S
pSysMenu->AppendMenu(MF_SEPARATOR); 7r 07N'
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); ?6+GE_VZ
} 6[,*2a8
} sJg-FVe2
SetIcon(m_hIcon, TRUE); // Set big icon uy)iB'st&
SetIcon(m_hIcon, FALSE); // Set small icon >DVjO9Kf
m_Key.SetCurSel(0); u4bPj2N8I
RegisterHotkey(); ..V6U"/
CMenu* pMenu=GetSystemMenu(FALSE); ]Cnj=\'
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); #x$.
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); nF0$
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); 8~AO~
return TRUE; // return TRUE unless you set the focus to a control $J"}7+
} "P\k_-a'
Y,I0o{,g
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) Q<B=m6~
{ P$S>=*`n
U
if ((nID & 0xFFF0) == IDM_ABOUTBOX) 6f,#O8]#5
{ [_*%
CAboutDlg dlgAbout;
YqX/7b+
dlgAbout.DoModal(); VFz(U)._
} *i|O!h1St
else NlXHOUw)u
{ x!fvSoHp
CDialog::OnSysCommand(nID, lParam); \gaGTc2&
} Ug*:o d
} YQe9g>G&
Rd|};-
void CCaptureDlg::OnPaint() GV#"2{t
j
{ O&!>C7
if (IsIconic()) S~0 mY}
m
{ Ta`=c0
CPaintDC dc(this); // device context for painting YbB8D-
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); J5h;~l!y
// Center icon in client rectangle ]n1@!qa48
int cxIcon = GetSystemMetrics(SM_CXICON); .9{Sr[P
int cyIcon = GetSystemMetrics(SM_CYICON); [U@#whE O
CRect rect; unKTa*U^q
GetClientRect(&rect); |_/q0#"
int x = (rect.Width() - cxIcon + 1) / 2; 5VdF^.:u
int y = (rect.Height() - cyIcon + 1) / 2; :\9E%/aAD
// Draw the icon sYM3&ikyHI
dc.DrawIcon(x, y, m_hIcon); DcaVT]"
} Tn,'*D@l
else XBe!9/'k>
{ W}#eQ|oCV
CDialog::OnPaint(); }D/0&