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:
2v"wWap-+
zd?bHcW/h 一、实现方法
$~
pr+Ei `Mo~EHso. 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:
r0~ 7v1rG 2Som0T<2 #pragma data_seg("shareddata")
B=Xnv*e HHOOK hHook =NULL; //钩子句柄
zi?qK?m UINT nHookCount =0; //挂接的程序数目
/IGrp.} static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
O{;M6U8C\ static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
RA*_&Ll&!C static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
M\:"~XW static int KeyCount =0;
?whRlh static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
3c1o,2 #pragma data_seg()
d[~au=b #]?,gwvTf 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。
o%kSR ]V| gg lNpzj 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:
&>d:ewM\ $=\oJ-(!@S BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
W)6U6 cKey,UCHAR cMask)
OU0xZ=G {
d/0/$Bz}P BOOL bAdded=FALSE;
X !&"&n for(int index=0;index<MAX_KEY;index++){
b|X>3( if(hCallWnd[index]==0){
y}(_SU hCallWnd[index]=hWnd;
FiV^n6-F` HotKey[index]=cKey;
>GdLEE'w HotKeyMask[index]=cMask;
\_iH4<#> bAdded=TRUE;
7VEt4 KeyCount++;
5O;/ lX!u break;
[i,5>YIk }
yrxx+z|wR }
0hHIz4( return bAdded;
m
_t(rn~f6 }
|_Naun=+~ //删除热键
o'x_g^ Y BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
n r'YWW {
>i><s>=I` BOOL bRemoved=FALSE;
"wc`fg"3 for(int index=0;index<MAX_KEY;index++){
+^^S'mP8 if(hCallWnd[index]==hWnd){
K1m!S9d`x if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
]pM5?^<~ hCallWnd[index]=NULL;
/u"
cl2| HotKey[index]=0;
S*~Na]nS0 HotKeyMask[index]=0;
a}^!TC>%1i bRemoved=TRUE;
4aIlzaA KeyCount--;
!Szgph"ul break;
/ieu)m:2 }
^L*VW
gi9 }
[# H8= }
)w}*PL return bRemoved;
z1}tC\9'% }
4YU 1Kr4 @&am!+z a=}">=]7 DLL中的钩子函数如下:
EkfGw/WDw 3rXL0&3w% LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
0{{p.n8a~ {
&gKP6ANx2 BOOL bProcessed=FALSE;
D_,_.C~O if(HC_ACTION==nCode)
.R<s<] {
erAZG) if((lParam&0xc0000000)==0xc0000000){// 有键松开
@=aq&gb switch(wParam)
>$k4@eg! {
!0d9<SVC case VK_MENU:
he#Tr'j MaskBits&=~ALTBIT;
OTy4"% break;
`#IT24! case VK_CONTROL:
W~W?<%@ MaskBits&=~CTRLBIT;
*aSR KY break;
T$>=+U case VK_SHIFT:
IdC k MaskBits&=~SHIFTBIT;
6):sO/es break;
3'gd'`Hn/ default: //judge the key and send message
g-T X;( break;
34O+#0<y~ }
f|[5&,2< for(int index=0;index<MAX_KEY;index++){
JydQA_ if(hCallWnd[index]==NULL)
lHj7O&+ continue;
9X^-)G> if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
J^<j=a|D {
epY;1,;> SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
b`;b}ug bProcessed=TRUE;
a#^4xy: }
c_DB^M!h }
K{[Fa,]' }
[{.\UkV@ else if((lParam&0xc000ffff)==1){ //有键按下
SqT"/e]b' switch(wParam)
@Tj
6!v {
*{4{<O<4 case VK_MENU:
sN[@mAoH MaskBits|=ALTBIT;
>P]I&S-. break;
`P)64So-1 case VK_CONTROL:
< 8W:ij.` MaskBits|=CTRLBIT;
A%sxMA!K, break;
Zj /H3,7 case VK_SHIFT:
y(p:)Iv MaskBits|=SHIFTBIT;
P[|BWNei break;
9iN!hy[ default: //judge the key and send message
A.'`FtV break;
hTNYjXj }
JY,l#?lM{ for(int index=0;index<MAX_KEY;index++){
,R9f;BR if(hCallWnd[index]==NULL)
@_tA"E continue;
y&O_Jyg< if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
dT0z^SG {
Zqe[2() SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
ph|2lLZ bProcessed=TRUE;
ph$&f0A6Xc }
(x*2BEn| }
|RbUmuj }
Lu$:,^ C if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
B )3SiU for(int index=0;index<MAX_KEY;index++){
9#=IrlV4 if(hCallWnd[index]==NULL)
V'|g continue;
`&&6-/ if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
<pa];k(IQL SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
eB1eUK> //lParam的意义可看MSDN中WM_KEYDOWN部分
HpgN$$\@ }
Vm5P@RU$w; }
Yhv`IV-s }
!nD[hI8P return CallNextHookEx( hHook, nCode, wParam, lParam );
oCru 5F }
Z#E#P<&d TlZlE^EE< 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
6`PGV+3j {10+(Vl BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
7$!Bq# BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
5'}!v fqp7a1qQl 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:
FK,r<+h 0BU:(o& LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
]H@uuPT! {
(G b{ckzs if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
Q,LWZw~" {
L[9+xK^g //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
f>JzG,- SaveBmp();
ki/Lf4 return FALSE;
fVe-esAw }
:\HN?_?{4 …… //其它处理及默认处理
fJ+E46|4 }
-T="Ml& *{n,4d\.. 7Bb@9M?i 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。
uZ{xt6 f r?{LQWP>e 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。
ri.|EmH2:D KHC(MdZ 二、编程步骤
}jy7,+ Iw-6Z+ 94 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";
r-DD*'R 4xC6#:8 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
j1C0LP8 !7Q.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;
9"v ox JL*]9$o 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
O9 r44ww ?Pf
,5=*B 5、 添加代码,编译运行程序。
OaVL NA^{ <@2?2l+`X 三、程序代码
_rWXcK3cjr tbt9V2U:"n ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
_3?xIT #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
:zTj"P>"I #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
J'oz P^N #if _MSC_VER > 1000
I,q~*d #pragma once
TOP'Bmb #endif // _MSC_VER > 1000
m*WEge*$t #ifndef __AFXWIN_H__
NomK(%8m$ #error include 'stdafx.h' before including this file for PCH
,wy:RVv@e #endif
~1z8G>R #include "resource.h" // main symbols
NxRiEe#m class CHookApp : public CWinApp
ntUVhIE0 {
C]@B~X1H^ public:
PDiorW}]k CHookApp();
T%b^|="@ // Overrides
]7ZC>.t
// ClassWizard generated virtual function overrides
]?5@ObG //{{AFX_VIRTUAL(CHookApp)
':fbf7EL< public:
6}ewBAq% virtual BOOL InitInstance();
/IR5[67 virtual int ExitInstance();
[&59n,R` //}}AFX_VIRTUAL
)"Yah //{{AFX_MSG(CHookApp)
iw6M3g# // NOTE - the ClassWizard will add and remove member functions here.
+c2>j8e6 // DO NOT EDIT what you see in these blocks of generated code !
5_T>HHR6 //}}AFX_MSG
W`rE\P DECLARE_MESSAGE_MAP()
-CNv=vj 3 };
6#-; ,2i LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
S`PSFetC BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
0{@Ovc BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
:)S4MoG BOOL InitHotkey();
z^a?t<+ BOOL UnInit();
r]vBr^kq #endif
Z~:lfCK` &l)v' //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
*8HxJ+[,[ #include "stdafx.h"
[?(W7 #include "hook.h"
ziip*<a!_ #include <windowsx.h>
AZP>\Dq #ifdef _DEBUG
gI$`d?[0{ #define new DEBUG_NEW
Z%d4V<fn #undef THIS_FILE
RB@gSHOc? static char THIS_FILE[] = __FILE__;
@k;3$ #endif
^Rh ~+ #define MAX_KEY 100
:D7!6}% #define CTRLBIT 0x04
DO*C] #define ALTBIT 0x02
0([jD25J! #define SHIFTBIT 0x01
))zaL2UP. #pragma data_seg("shareddata")
`t"Kq+ HHOOK hHook =NULL;
&cejy>K UINT nHookCount =0;
[aUT # static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
) FsSXnZL static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
aPMM:RP` static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
%}MM+1eu static int KeyCount =0;
h(K4AiGE static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
`qEm5+` #pragma data_seg()
>}tG^ )os HINSTANCE hins;
LxGh *7K- void VerifyWindow();
B(NL3WJ BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
p 8rAtz>=J //{{AFX_MSG_MAP(CHookApp)
+OP' / // NOTE - the ClassWizard will add and remove mapping macros here.
;Q 6e&Ips/ // DO NOT EDIT what you see in these blocks of generated code!
p#NZ\qJ //}}AFX_MSG_MAP
ZSf+5{2m END_MESSAGE_MAP()
*38\&"s4_ ;\0RXirk CHookApp::CHookApp()
IKj1{nZvDc {
;hp; Rd // TODO: add construction code here,
'KrkCA // Place all significant initialization in InitInstance
cMKh+r }
}z:=b8} e6a8ad CHookApp theApp;
4H'&5 LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
BE;iC.rW {
ou4?`JF)- BOOL bProcessed=FALSE;
1@Gv`{v if(HC_ACTION==nCode)
dg<fUQ {
$*> _0{< if((lParam&0xc0000000)==0xc0000000){// Key up
KL{uhb0f switch(wParam)
\}c50}#0 {
lsf?R'1 case VK_MENU:
nQMN2j M MaskBits&=~ALTBIT;
-I<`!kH* break;
o?\Pw9Y case VK_CONTROL:
AX?6Q4Gq1 MaskBits&=~CTRLBIT;
oDK\v8w- break;
s_Gp +- case VK_SHIFT:
6YbSzx`?k MaskBits&=~SHIFTBIT;
cV,URUD break;
`_kRvpi default: //judge the key and send message
5T*7HC[ break;
pm|]GkM }
3j#F'M)s{ for(int index=0;index<MAX_KEY;index++){
<Z_`^~! if(hCallWnd[index]==NULL)
xJlq2cK continue;
m#P&Yd4T if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
[Y+bW#' {
eGg#=l= SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
;B@l0)7(x bProcessed=TRUE;
@[lr
F7`o }
YzVLa,[ }
n`1i k'x? }
*8+YR else if((lParam&0xc000ffff)==1){ //Key down
ru
Lcu] switch(wParam)
}Qo8Xps {
/GNYv* case VK_MENU:
Gd 9B MaskBits|=ALTBIT;
0cVXUTJ|W break;
K>~l6 case VK_CONTROL:
l1-FL-1 MaskBits|=CTRLBIT;
MR: {Ps&, break;
jiDYPYx;I case VK_SHIFT:
F[Up MaskBits|=SHIFTBIT;
m5*RB1 break;
sIe(;%[` default: //judge the key and send message
$Vh82Id^ break;
':@qE\( }
UNae&Zir for(int index=0;index<MAX_KEY;index++)
2sH5<5G' {
X8TZePh if(hCallWnd[index]==NULL)
[)?3Dp|MH continue;
75ob1h" if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
1:8: yFV {
9IMcp~zX SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
X88ZdM' bProcessed=TRUE;
)kUw,F=6 }
FB`HwE< }
Ek6W:Q:@ }
lw{|~m5` if(!bProcessed){
c+c^F/ for(int index=0;index<MAX_KEY;index++){
TUt)]"h< if(hCallWnd[index]==NULL)
fAi113q! continue;
d29HEu if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
A
|B](MW%O SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
u ""=9>0 }
|ouk;r24V }
Uw!v=n3#! }
WF7RMQ51j return CallNextHookEx( hHook, nCode, wParam, lParam );
8jk*N }
J\BdC]; |iI`p-L9 BOOL InitHotkey()
_!ed.h.r: {
82<!b]^1 if(hHook!=NULL){
pY@+.V`a nHookCount++;
hb{(r@[WHv return TRUE;
bB["Qd}Q }
|9h[Q[m else
"Y+`U hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
([|M,P6e)U if(hHook!=NULL)
+gkB nHookCount++;
g`1i[Iu2 return (hHook!=NULL);
B(5g&+{Lq~ }
h2nyP BOOL UnInit()
xN]bRr {
TV}SKvu if(nHookCount>1){
KK}&4^q nHookCount--;
B5hGzplS return TRUE;
bPEAG=l "- }
Fei$94a BOOL unhooked = UnhookWindowsHookEx(hHook);
"x)W3C%*S if(unhooked==TRUE){
C/JFg-r nHookCount=0;
ZJqmD hHook=NULL;
IM+PjYJ }
#"|Ey6& return unhooked;
cVMTT]cj1 }
~H.;pJ{ 8 \a#2Wm BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
8I'?9rt2M {
e)M1$ BOOL bAdded=FALSE;
MD,-<X)Qy for(int index=0;index<MAX_KEY;index++){
|N*>K a; if(hCallWnd[index]==0){
sYL+;(#t hCallWnd[index]=hWnd;
=J,:j[D( HotKey[index]=cKey;
z'm;H{xf HotKeyMask[index]=cMask;
5BZ5Gl3 bAdded=TRUE;
d@<XR~); KeyCount++;
'"&?u8u) break;
A8?>V%b[Y }
Z-:`{dns/ }
F{[Q return bAdded;
8[k-8h| }
|7 argk+ j'W)Nyw$[ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
_>*"6 {
KLk37IY2\ BOOL bRemoved=FALSE;
eNNK;xXe# for(int index=0;index<MAX_KEY;index++){
zK&`&("4C if(hCallWnd[index]==hWnd){
Je/R'QP^8 if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
Y<B| e91C hCallWnd[index]=NULL;
^l9S5
{ HotKey[index]=0;
y~\z_') <> HotKeyMask[index]=0;
B\6\QQ;rUo bRemoved=TRUE;
hE; KeyCount--;
pJmn;XbME break;
\%)p7PNY }
ojaZC,} }
B\Uj }
w/UsEIr return bRemoved;
+mY(6|1 }
p(Sfw>t( lr1i DwZV void VerifyWindow()
^^v!..V]J {
.hvIq
.vr for(int i=0;i<MAX_KEY;i++){
>7n(*M if(hCallWnd
!=NULL){ vXc<#X9
if(!IsWindow(hCallWnd)){ N;htKcZ
hCallWnd=NULL; pCq{F*;
HotKey=0; )XD_Yq@E
HotKeyMask=0; )Z62xK2
KeyCount--; 9]Y@eRI<
} UZyo:*yB
} uB%`Bx'OW
} mGIS[_dcs
} G B15
xd*kNY
BOOL CHookApp::InitInstance() ]8RcZn
{ {h2D}F
AFX_MANAGE_STATE(AfxGetStaticModuleState()); J~==<?j:
hins=AfxGetInstanceHandle(); TY?Fs-
InitHotkey(); +=||c\'
return CWinApp::InitInstance(); g;-CAd5
} u~K4fP
7&X^y+bMe6
int CHookApp::ExitInstance() 9N9;EY-U
{ =KX:&GU
VerifyWindow(); NK#f Gz*,(
UnInit(); k?_Miqr
return CWinApp::ExitInstance(); qp7>_B
} NJ|8##Z>
GSk;~^l
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file -G{}8GM
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) #{0c01JZ
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ RJ0w3T]7
#if _MSC_VER > 1000 wqw$6"~
#pragma once 5@i/4%S
#endif // _MSC_VER > 1000 %zWtPxAf
C\1Dy5
class CCaptureDlg : public CDialog =!Ok079{[
{ U5" C"+
3
// Construction /
JlUqC
public: I(C_}I>Wb
BOOL bTray; LNe-]3wB
BOOL bRegistered; !dZC-U~
BOOL RegisterHotkey(); N/Z<v* i"
UCHAR cKey; g4Tc (k#
UCHAR cMask; +YP,LDJ!v
void DeleteIcon(); NO'-HKHj
void AddIcon(); [~x
Ql
UINT nCount; ,<%],-Lt[
void SaveBmp(); O<fbO7.-
CCaptureDlg(CWnd* pParent = NULL); // standard constructor 9'}m797I'
// Dialog Data q$K^E
//{{AFX_DATA(CCaptureDlg) PQ1\b-I
enum { IDD = IDD_CAPTURE_DIALOG }; .Zo8KwkFY
CComboBox m_Key; 18F7;d N8
BOOL m_bControl; lrK5q
BOOL m_bAlt; ^"l4
BOOL m_bShift; I"r*p?
CString m_Path; uA,K}sNRZ
CString m_Number; dqcfs/XhP
//}}AFX_DATA &ceZu=*
// ClassWizard generated virtual function overrides Qd$d*mwg:
//{{AFX_VIRTUAL(CCaptureDlg) PX+$Us
public: z1s9[5
virtual BOOL PreTranslateMessage(MSG* pMsg); x#U?~6.6
protected: WG9x_X&XJ
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support zDC-PHFHQ
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); rqifjsv
//}}AFX_VIRTUAL [9X1;bO#f
// Implementation mim]nRd2v
protected:
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HICON m_hIcon; gwNv;g
// Generated message map functions hV_0f_Og
//{{AFX_MSG(CCaptureDlg) 9^XT,2Wwf
virtual BOOL OnInitDialog(); zcDVvP
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); st~f}w@
afx_msg void OnPaint(); p,U.5bX
afx_msg HCURSOR OnQueryDragIcon(); Wo\NX05-?
virtual void OnCancel(); D.X%wJ8
afx_msg void OnAbout(); "QA!z\0\
afx_msg void OnBrowse(); 5ZUqCl(PX)
afx_msg void OnChange(); 8
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//}}AFX_MSG dnH?@K
DECLARE_MESSAGE_MAP() s<tdn[d
}; yo3'\I
#endif FK0nQ{uB"
RaKL KZn
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file VcA87*pel
#include "stdafx.h" YaDr6)
#include "Capture.h" Sky!ZN'I
#include "CaptureDlg.h" Xrc0RWXB8
#include <windowsx.h> 7\<#z|
#pragma comment(lib,"hook.lib") c)+IX;q-C
#ifdef _DEBUG 0Kq\ oMn
#define new DEBUG_NEW ~#N^@a
#undef THIS_FILE MYDAS-
static char THIS_FILE[] = __FILE__; M{1't
#endif ]=7}Y%6
#define IDM_SHELL WM_USER+1 l\JoWL
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); )FYz*:f>&
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); NbSkauF~b
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; X^7bOFWE
class CAboutDlg : public CDialog =T!iM2
{ U8;k6WT|
public: C([TolZ
CAboutDlg(); ]&jXD=a"
// Dialog Data |s+y]3-_
//{{AFX_DATA(CAboutDlg) C&D!TR!K
enum { IDD = IDD_ABOUTBOX }; RKx"
}<#+
//}}AFX_DATA YOd0dKe
// ClassWizard generated virtual function overrides 7jvf:#\LtL
//{{AFX_VIRTUAL(CAboutDlg) }]'Z~5T
protected: Quqts(Q) +
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support C5$1K'X@
//}}AFX_VIRTUAL \GEFhM4)
// Implementation "o+<
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protected: I5
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//{{AFX_MSG(CAboutDlg) ?l
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//}}AFX_MSG +' QX`
DECLARE_MESSAGE_MAP() "l"zbW WOH
}; De6WC*trq
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CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) D<$,v(-
{ g/)mbL>=
//{{AFX_DATA_INIT(CAboutDlg) fq48>"g*
//}}AFX_DATA_INIT o+r?N5
} r8A
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void CAboutDlg::DoDataExchange(CDataExchange* pDX) (Z fY/
{ YAYPof~A$l
CDialog::DoDataExchange(pDX); @2na r<
//{{AFX_DATA_MAP(CAboutDlg) g ]e^;
//}}AFX_DATA_MAP YKlYo~fGN9
} ]6bh #N;.
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BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) v[E*K@6f
//{{AFX_MSG_MAP(CAboutDlg) L'iENZI$
// No message handlers tURjIt,I
//}}AFX_MSG_MAP j'R{llZW
END_MESSAGE_MAP() kI<;rP1S|
J^m#984
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) E_[|ZrIO&*
: CDialog(CCaptureDlg::IDD, pParent) dkVF
{ dDK4I3a
//{{AFX_DATA_INIT(CCaptureDlg) #N.W8mq
m_bControl = FALSE; ]%>7OH'
m_bAlt = FALSE; aAhXHsZ|26
m_bShift = FALSE; t6(LO9 Qc
m_Path = _T("c:\\"); [H<![Z1*r
m_Number = _T("0 picture captured."); OGpy\0%
nCount=0; ">_<L.,I
bRegistered=FALSE; %
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bTray=FALSE; @ qy
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//}}AFX_DATA_INIT SaceIV%(
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 V3r1|{Z(
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); lI~T>Lel2
} ZfsM($|a
7}>Zq`]~
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) h8B:}_Cu
{ _IYd^c
CDialog::DoDataExchange(pDX); T#KF@8'-
//{{AFX_DATA_MAP(CCaptureDlg) <#/r.}.x
DDX_Control(pDX, IDC_KEY, m_Key); (&t741DN|
DDX_Check(pDX, IDC_CONTROL, m_bControl); #;~`+[y?\
DDX_Check(pDX, IDC_ALT, m_bAlt); ?-C=_eZJ
DDX_Check(pDX, IDC_SHIFT, m_bShift); g?&_5)&
DDX_Text(pDX, IDC_PATH, m_Path); 1?%Q"*Y&
DDX_Text(pDX, IDC_NUMBER, m_Number); s&&8~
)H
//}}AFX_DATA_MAP 5-qk"@E W
} v<CZ.-r\j
&B?TX.
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) 3>asl54
//{{AFX_MSG_MAP(CCaptureDlg) Bu7Ztt*
ON_WM_SYSCOMMAND() {,xI|u2R
ON_WM_PAINT() $23*:)&J4
ON_WM_QUERYDRAGICON() Bp&7:snGt
ON_BN_CLICKED(ID_ABOUT, OnAbout) mqe83 k%
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) .\)`Xj[?
ON_BN_CLICKED(ID_CHANGE, OnChange) Ya~*e;CW2
//}}AFX_MSG_MAP M~/7thP{
END_MESSAGE_MAP() &BTgISYi
i82sMN1jl7
BOOL CCaptureDlg::OnInitDialog() 9BR/zQ2
{ R. :~e
CDialog::OnInitDialog(); -7-r~zmr
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ^#i3JMq
ASSERT(IDM_ABOUTBOX < 0xF000); 9lXjB_wG>
CMenu* pSysMenu = GetSystemMenu(FALSE); } V *
if (pSysMenu != NULL) d?[gd(O
{ 0#Ivo<V
CString strAboutMenu; 8k~$_AT>u
strAboutMenu.LoadString(IDS_ABOUTBOX); @>:V?
if (!strAboutMenu.IsEmpty()) ["O/%6b9+
{ +\Uq=@
pSysMenu->AppendMenu(MF_SEPARATOR); 4f~ c#0?
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); "-
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} WX~:Y,l+u
} ]]Bqte
SetIcon(m_hIcon, TRUE); // Set big icon _UP=zW
SetIcon(m_hIcon, FALSE); // Set small icon c+S<U*
m_Key.SetCurSel(0); a9LK}xc={
RegisterHotkey(); 2:[
-
CMenu* pMenu=GetSystemMenu(FALSE); J:D{5sE<|
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); [7Fx#o=da
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); r{LrQ
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); }`fFzb
return TRUE; // return TRUE unless you set the focus to a control "2'4b
} XS#Jy
n
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void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) )}!Z^ND*
{ oz8z%*9(
if ((nID & 0xFFF0) == IDM_ABOUTBOX) 3 bK.8
{ |NMf'$
CAboutDlg dlgAbout; 3g79pw2w=
dlgAbout.DoModal(); Y9<N#h#
}
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else {4]sJT
{ vD-m FC)
CDialog::OnSysCommand(nID, lParam); K x4_`;>
} YzA6*2
} yV.E+~y
#!.26RM:P
void CCaptureDlg::OnPaint() wqnrN6$jf
{
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if (IsIconic()) sh#hDU/</
{ \:mZ)f3K=
CPaintDC dc(this); // device context for painting TKH!,Ow9A
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); %>io$ o
// Center icon in client rectangle npCiqO
int cxIcon = GetSystemMetrics(SM_CXICON); ,vcg%~-
int cyIcon = GetSystemMetrics(SM_CYICON); Q$bi:EyJXc
CRect rect; ]&b>P ;j:
GetClientRect(&rect); hnYL<<AA
int x = (rect.Width() - cxIcon + 1) / 2; r'F)8%
int y = (rect.Height() - cyIcon + 1) / 2; /`kM0=MMa
// Draw the icon {D{'
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dc.DrawIcon(x, y, m_hIcon); 18eB\4NlD
} 9B)<7JJX!J
else V|\dnVQ'-%
{ q 3nF\Me0
CDialog::OnPaint(); l/i7<