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:
W]O@DS zR
Zlk,])9 Q 一、实现方法
5c]}G.NV /^'Bgnez 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:
MyH[v E^b 5 o#<`_=J #pragma data_seg("shareddata")
>I4p9y(u HHOOK hHook =NULL; //钩子句柄
^XBzZ!h| UINT nHookCount =0; //挂接的程序数目
^Ti_<<X static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
-^iUVO`z static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
$Ns,ts(ng static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
J%\- 1 static int KeyCount =0;
AfRW=&xdT static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
X&(<G #pragma data_seg()
eyT>wma0 PFS;/ 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
V06CCy8n tlV &eN DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
D0/DI veUa|Bx.(v BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
J3e:Y! cKey,UCHAR cMask)
/2;dH]o0 {
]cm6 |`pz BOOL bAdded=FALSE;
Xnv@H:$mxk for(int index=0;index<MAX_KEY;index++){
|(V?,^b^ro if(hCallWnd[index]==0){
&~~aAg hCallWnd[index]=hWnd;
+Qh[sGDdY HotKey[index]=cKey;
F$Im9T6 HotKeyMask[index]=cMask;
bVoU|`c bAdded=TRUE;
7}4'dW. KeyCount++;
, 3X: ) break;
#bT8QbJ( }
-AjH}A[! }
+T0op4 return bAdded;
"l@A[@R }
qoj^_s6 //删除热键
bMN@H\Ek BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
/!GKh5| {
7%}ay BOOL bRemoved=FALSE;
e~{^oM for(int index=0;index<MAX_KEY;index++){
FR
x6c if(hCallWnd[index]==hWnd){
_eJXi, if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
w6T[hZ 9 hCallWnd[index]=NULL;
&{%MjKJ._ HotKey[index]=0;
Ia629gi5s HotKeyMask[index]=0;
`)R?nVb bRemoved=TRUE;
AF^T~?t KeyCount--;
2_;] break;
HH)"]E5 }
9W!8gCs }
<B6[i*& }
yu)q4C7ek return bRemoved;
Q>.BQ;q] }
^Q0&.hL@ ?Jt$a; t5.`!3EO DLL中的钩子函数如下:
~>V-*NT8 } h[>U LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
5|ic3 {
s%~L4Wmcq BOOL bProcessed=FALSE;
RMoJz6^> if(HC_ACTION==nCode)
y
'Ol Q2U {
"EoDQT"0 if((lParam&0xc0000000)==0xc0000000){// 有键松开
3VmI0gsm.> switch(wParam)
b~7Jh:%@; {
1Cm~X$S. case VK_MENU:
s]U4B<q MaskBits&=~ALTBIT;
AZ[75> break;
)kYOHS case VK_CONTROL:
pb#mg^8 MaskBits&=~CTRLBIT;
b"``D ? break;
Nl@k*^ case VK_SHIFT:
WwuZ(>| MaskBits&=~SHIFTBIT;
W9Nmx3ve break;
JqEW=5 default: //judge the key and send message
u~W{RHClW break;
OifvUTl9b }
mN;+TN'?{ for(int index=0;index<MAX_KEY;index++){
?Gd sOg^ if(hCallWnd[index]==NULL)
_\.{6"" continue;
k#O,j pbB if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
mwh{ "FL( {
#~^btL'dHF SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
Ln.9|9 bProcessed=TRUE;
rK7W(D} }
$I@GUtzjp }
,CciTXf }
J$F nm\ else if((lParam&0xc000ffff)==1){ //有键按下
c<wavvfUo switch(wParam)
P;vxT}1 {
-Ep!- a case VK_MENU:
Z%}4bJ MaskBits|=ALTBIT;
{Oj7 break;
k=[pm5ZvT~ case VK_CONTROL:
q"akrI38 MaskBits|=CTRLBIT;
['cz;2{:W break;
4KXc~eF[M" case VK_SHIFT:
J8?2R^;{ MaskBits|=SHIFTBIT;
n9%]-s\Hn break;
>"v9iT default: //judge the key and send message
pMR,#[U< break;
1<.5ub*i4 }
RRADg^}l|" for(int index=0;index<MAX_KEY;index++){
$ rUSKm# if(hCallWnd[index]==NULL)
^~$\ g] continue;
^T6S()G if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
03=5Nof1 {
?]#OM_,8 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
A`[@8 bProcessed=TRUE;
W@.Ji B }
j8++R&1f] }
f'X9HU{Cz }
g #
S0V if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
hmpr%(c ` for(int index=0;index<MAX_KEY;index++){
5.vG^T0w if(hCallWnd[index]==NULL)
`&!k!FZY* continue;
1!1!PA9u if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
ZF6c{~D SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
Ipe n //lParam的意义可看MSDN中WM_KEYDOWN部分
0K`[,$Y }
ST1'\Eo }
.@#A|fgv }
6cz/n8M g return CallNextHookEx( hHook, nCode, wParam, lParam );
_c`K+o"3 }
<YB9Ac~}z (YPi&w~S 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:
"l7NWqfB aS84n.?vq BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
Io n~ BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
NBYH;h P x|i_P|Z 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:
k7@t{Cu0D& >Lft9e LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
8`=v. {
s@8w-]" if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
-TO\'^][X {
w_hHfZ9E //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
3Fs5RC~a SaveBmp();
&c>?~-!W return FALSE;
T 2F6)e }
,WDX( …… //其它处理及默认处理
nhT-Ido }
v+G=E2Lhv -F@L}| aC%&U4OS 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。
@n-r-Q )5_jmW`n 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。
^7^N}x@ !cSq+eD 二、编程步骤
- +>1r :o46rBs 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";
q?):oJ KC`q#&dt 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
=LkR!R= 'Gl&Pa1g? 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;
kD5!}+y jYRP8 Yi 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;
I_1e?\ _oG&OJ@ 5、 添加代码,编译运行程序。
bq>_qpr =K\r-'V 三、程序代码
*=AqM14 @ bD^b ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
;G\8jP'
#if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
as*4UT3 #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
-=`#fDvBn #if _MSC_VER > 1000
0@I S #pragma once
F@ Swe #endif // _MSC_VER > 1000
(wRgus #ifndef __AFXWIN_H__
6$\jAd| #error include 'stdafx.h' before including this file for PCH
.8(OT./ #endif
{vEOn-(7 #include "resource.h" // main symbols
m_+sR!\H8 class CHookApp : public CWinApp
U8.7>ENnP& {
vS\Nd1~ ? public:
SAYLG CHookApp();
":a\z(*t // Overrides
U*3J+Y // ClassWizard generated virtual function overrides
YNwp/Y //{{AFX_VIRTUAL(CHookApp)
Fz#X=gmG public:
bKg8rK u virtual BOOL InitInstance();
2i;7{7 virtual int ExitInstance();
/!h;c$ //}}AFX_VIRTUAL
VTy9_~q //{{AFX_MSG(CHookApp)
Xpe)PXb // NOTE - the ClassWizard will add and remove member functions here.
)R`x R,H // DO NOT EDIT what you see in these blocks of generated code !
[AMAa]^ //}}AFX_MSG
I$q]. B DECLARE_MESSAGE_MAP()
I/Jb!R ~ };
|a1{ve[ LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
BTgG4F/) BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
'R-3fO??? BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
@,Gxk
BOOL InitHotkey();
hj'(*ND7z BOOL UnInit();
CI353-` #endif
2 3OC2| 0}!\$"|D //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
*Kdda}
J+ #include "stdafx.h"
p
sL?Y #include "hook.h"
}\J2?Et{ #include <windowsx.h>
P3$Q&^? #ifdef _DEBUG
O nQdq^UB #define new DEBUG_NEW
>B]'fUt5a #undef THIS_FILE
x
}Ad_#q static char THIS_FILE[] = __FILE__;
'AN>`\mR$ #endif
=[b)1FUp #define MAX_KEY 100
q`-;AG|xF #define CTRLBIT 0x04
(x/k.& #define ALTBIT 0x02
X 1
57$ #define SHIFTBIT 0x01
,]bB9tid #pragma data_seg("shareddata")
[!!Q,S"
HHOOK hHook =NULL;
rj(T~d4 UINT nHookCount =0;
,eTU/Q>{,& static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
T5a*z}L5 static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
h1'\:N` static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
lpz2 m\ static int KeyCount =0;
PRHCrHs static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
Fu!RhsW5j #pragma data_seg()
CHe>OreiS HINSTANCE hins;
89r DyRJ; void VerifyWindow();
dFKM
8_jH BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
sI{ M //{{AFX_MSG_MAP(CHookApp)
0$,SF3K // NOTE - the ClassWizard will add and remove mapping macros here.
ZK>WW // DO NOT EDIT what you see in these blocks of generated code!
5[c^TJ3 //}}AFX_MSG_MAP
0PlO(",a END_MESSAGE_MAP()
w!fE;H8w6 /!c${W!sY CHookApp::CHookApp()
j4qJ.i {
%Dwk // TODO: add construction code here,
w.[ "p9tc // Place all significant initialization in InitInstance
YW7b)uYf }
>0"+4<72 ^]TVo\,N CHookApp theApp;
/`mks1:pK LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
<J^MCqp!v {
%i5M77#Z BOOL bProcessed=FALSE;
Hy^N!rBxfO if(HC_ACTION==nCode)
4^M {
gLOEh6 if((lParam&0xc0000000)==0xc0000000){// Key up
AvfNwE switch(wParam)
y&V@^"` {
zAiXo__x case VK_MENU:
rx] @A MaskBits&=~ALTBIT;
ax (c# break;
?#fu.YE\ case VK_CONTROL:
E{|W(z,
MaskBits&=~CTRLBIT;
"1%5, break;
EM[WK+9>I{ case VK_SHIFT:
+F^^c2E MaskBits&=~SHIFTBIT;
\--8lH -K break;
3.*8)NW default: //judge the key and send message
))"6ern break;
[n:<8ho }
U|IzXQX( for(int index=0;index<MAX_KEY;index++){
!O<)\)|g if(hCallWnd[index]==NULL)
"g1)f"pL continue;
k7T`bYv if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
neLAEHV {
>U[j]V] SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
%^ !,t:d bProcessed=TRUE;
JU)dr4S? }
v_DedVhe }
YB2VcF.LU }
?vbvBu{a else if((lParam&0xc000ffff)==1){ //Key down
$42{HFGq switch(wParam)
*2,VyY {
T( U_ case VK_MENU:
`~By)?cT_> MaskBits|=ALTBIT;
/w}u3|L$ break;
~5}*
d case VK_CONTROL:
De'_SD|= MaskBits|=CTRLBIT;
L6|oyf break;
ppVHLrUh case VK_SHIFT:
;EP:o%r MaskBits|=SHIFTBIT;
w|K'M?N14 break;
oY H^_V default: //judge the key and send message
,Ge"anO break;
z?R|Ok }
` 2V19s] for(int index=0;index<MAX_KEY;index++)
oYm[V<nIl {
nH[yJGZYSA if(hCallWnd[index]==NULL)
Wa{` VS continue;
@eKec1< if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
ddJe=PUb {
!
t?iXZ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
:%,:" bProcessed=TRUE;
#ML%ij 1 }
J;8IY= }
,)Znb= }
4\8+9b\9" if(!bProcessed){
).`1+b for(int index=0;index<MAX_KEY;index++){
jK& h~) if(hCallWnd[index]==NULL)
fof TP1 continue;
d,B:kE0Y if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
sN9&,&W1 SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
s;01u_ }
{#?N }
Ac2n }
*Doa*wQ return CallNextHookEx( hHook, nCode, wParam, lParam );
LnH ?dy }
CYY=R'1:G{ '!!CeDy BOOL InitHotkey()
!
|<Fo'U {
H4&lb} if(hHook!=NULL){
L.*M&Ry nHookCount++;
gG(fQ
89U" return TRUE;
U`, 6 * MS }
"Q@ronP(~ else
-g*4(w hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
1mOh{:1u if(hHook!=NULL)
eg;~zv nHookCount++;
Z`ID+ return (hHook!=NULL);
5B3G
@KR }
o ,AAC BOOL UnInit()
aBNc(?ri {
dx MOn if(nHookCount>1){
7:plQ!7^ nHookCount--;
oAODp!_c return TRUE;
v3~? ;f,l }
_=F=`xu BOOL unhooked = UnhookWindowsHookEx(hHook);
cPyE 6\lN if(unhooked==TRUE){
<Tzrj1"Q3 nHookCount=0;
D9^h;
8 hHook=NULL;
-*X a3/kQ }
*x@Onj return unhooked;
.WA-&b_ }
p6>Svcc 8lvV4yb BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
g+vva" {
mHdA2 BOOL bAdded=FALSE;
i&bA2p3+d for(int index=0;index<MAX_KEY;index++){
S&Zm0Ku if(hCallWnd[index]==0){
v_+{'F hCallWnd[index]=hWnd;
@E7DyU| HotKey[index]=cKey;
Z'`<5A%; HotKeyMask[index]=cMask;
M ?Y;a5{ bAdded=TRUE;
n'n/Tu KeyCount++;
;K:zmH break;
bzBEX mC }
x<tb }
s~ a"4~f return bAdded;
^}/PGG\~r }
le|~BG hL 89pEfl j2 BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
%g{X ? {
h7G"G" BOOL bRemoved=FALSE;
_|kxY'_[8 for(int index=0;index<MAX_KEY;index++){
J=9FRC if(hCallWnd[index]==hWnd){
P{kur} T if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
/M1ob: m hCallWnd[index]=NULL;
;DqWh0 HotKey[index]=0;
!;q&NHco HotKeyMask[index]=0;
q9KHmhUD bRemoved=TRUE;
0L2 F[TN KeyCount--;
x-WmMfcz& break;
o4G ?nvK- }
CGW.I$u }
T*Y~\~Jhu }
oK6tTK return bRemoved;
?GKb7Oj }
>)fi^ q/4J.jL void VerifyWindow()
SoW9p^HJ {
[M]
for(int i=0;i<MAX_KEY;i++){
=upeRY@u5 if(hCallWnd
!=NULL){ u^@f&BIG]:
if(!IsWindow(hCallWnd)){ }eCw6
hCallWnd=NULL; > kGGR
HotKey=0; '\l"
HotKeyMask=0; "jeb%k
KeyCount--; j/323Za+
} Vz~{UHH6
} ?8npG]L)
} tU }h~&M
} @K &GJ
%a>&5V
BOOL CHookApp::InitInstance() Si2k"<5U
{ @>r._~
AFX_MANAGE_STATE(AfxGetStaticModuleState()); >c1qpk/
hins=AfxGetInstanceHandle(); `x+ B+)0X
InitHotkey(); *'Sd/%8{
return CWinApp::InitInstance(); n`? py
} n,vct<&z@
xK *b1CB
int CHookApp::ExitInstance() Qf~vZtJ+J
{ ~Z\8UsVN
VerifyWindow(); c,np2myd
UnInit(); u@Ih GME
return CWinApp::ExitInstance(); \pa"%c)
} I:R[;TB?y
?ZV/U!y
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file 6KXtcXQ
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) /hr7NT{e%v
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ hQ,ch[j'
#if _MSC_VER > 1000 RuLi,'u
#pragma once ity & v9
#endif // _MSC_VER > 1000 <T` 7%$/E
($q-_m
class CCaptureDlg : public CDialog "Gsc;X'id
{ *>Ns_su7W
// Construction TH%Qhv\]
public: ;v}GJ<3
BOOL bTray; j$M h+5
BOOL bRegistered; q }i]'7
BOOL RegisterHotkey(); F|SXn\
UCHAR cKey; U$O\f18
UCHAR cMask; m ifxiV
void DeleteIcon(); \r/rBa\
void AddIcon(); ? ^0:3$La
UINT nCount; Z)I+@2
void SaveBmp(); [g7L&`f9
CCaptureDlg(CWnd* pParent = NULL); // standard constructor g;H=6JeG/
// Dialog Data Lu?C-$a C
//{{AFX_DATA(CCaptureDlg) .p<:II:6
enum { IDD = IDD_CAPTURE_DIALOG }; nD_GL
CComboBox m_Key; |U:k,YH
BOOL m_bControl; r<9Iof4
BOOL m_bAlt; L7n D|
BOOL m_bShift; L O}@dL
CString m_Path; f}o\*|k_|
CString m_Number; td(li.,
//}}AFX_DATA >~''&vdsk\
// ClassWizard generated virtual function overrides AHD=<7Rs
//{{AFX_VIRTUAL(CCaptureDlg) ]0Y4U7W
public: ,82S=N5V!
virtual BOOL PreTranslateMessage(MSG* pMsg); A!od9W6
protected: 52@C9Q,
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support ]i|h(>QWP
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); cq,S P&T~
//}}AFX_VIRTUAL p)KheLiZ
// Implementation &y\prip
protected: Gw}%{=D9
HICON m_hIcon; n<Z({\9&H
// Generated message map functions tIWmp30S
//{{AFX_MSG(CCaptureDlg) |6.l7u?d
virtual BOOL OnInitDialog(); p2hB8zL
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); =mO vs
afx_msg void OnPaint(); $h+1u$po
afx_msg HCURSOR OnQueryDragIcon(); .T}Wdng
virtual void OnCancel(); QVv#fy1"6
afx_msg void OnAbout(); P}Gj%4/G
afx_msg void OnBrowse(); M,j U}yD3
afx_msg void OnChange(); aZH:#lUlj
//}}AFX_MSG eQ$Y0qH1E
DECLARE_MESSAGE_MAP() Yk'XGr)
}; /MIe(,>Uh
#endif 0CZ:Bo[3
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////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file AuvkecuIh
#include "stdafx.h" G~F b
#include "Capture.h" _('=b/
#include "CaptureDlg.h" .eS<Dbku<
#include <windowsx.h> ST|x23|O]
#pragma comment(lib,"hook.lib") ~k"=4j9
#ifdef _DEBUG piJu+tUy
#define new DEBUG_NEW ~Q Oe##
#undef THIS_FILE F|IAiE
static char THIS_FILE[] = __FILE__; lS"T4 5
#endif Jf{*PgP
#define IDM_SHELL WM_USER+1 <ykU6=
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); E~DQ-z
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); uu-PJTNZ
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; -"R2
class CAboutDlg : public CDialog #Vnkvvv
{ kDEXN
public: x,'(5*
CAboutDlg(); &u]8IEv}u
// Dialog Data } +TORR?
//{{AFX_DATA(CAboutDlg) a[>/h3
enum { IDD = IDD_ABOUTBOX }; Q0)#8Rcm
//}}AFX_DATA IQAZuN"<
// ClassWizard generated virtual function overrides 4svBzZdr
//{{AFX_VIRTUAL(CAboutDlg) HCIU!4rH
protected: 1rNzJ;'
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support )\1@V+!E%
//}}AFX_VIRTUAL '50OgF'
// Implementation K='z G*$l
protected: /74QMx?
//{{AFX_MSG(CAboutDlg) ;nI] !g:
//}}AFX_MSG F3y9@dA]
DECLARE_MESSAGE_MAP() /,BD#|
}; zUt'QH7E.
EB0TTJR?#
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) ]RZ|u*l=x
{ &9.C l;I
//{{AFX_DATA_INIT(CAboutDlg) Wjo[ENHM
//}}AFX_DATA_INIT vt/x
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} cb@?}(aFl
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void CAboutDlg::DoDataExchange(CDataExchange* pDX) 6`&a&%,O
{ fnpYT:%fG
CDialog::DoDataExchange(pDX); Y@NNrGDkT*
//{{AFX_DATA_MAP(CAboutDlg) \e:7)R2<!x
//}}AFX_DATA_MAP wVvF^VHV^
} %h hfU6[
]RwpX ^ 1
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) ,bZL C
//{{AFX_MSG_MAP(CAboutDlg) N,<uf@LQ
// No message handlers <]6SN
//}}AFX_MSG_MAP UBv,=v
END_MESSAGE_MAP() df*#!D7oz
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CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) 59 h]UX=
: CDialog(CCaptureDlg::IDD, pParent) Ka'=o?'B5
{ C0sX gM
//{{AFX_DATA_INIT(CCaptureDlg) C>]0YO
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m_bControl = FALSE; xI{)6t$`
m_bAlt = FALSE; *zaQx+L
m_bShift = FALSE; p99]
m_Path = _T("c:\\"); <3oWEm
m_Number = _T("0 picture captured."); <KJ/<0l
nCount=0; ;/bewivNJ
bRegistered=FALSE; H/"-Z;0{
bTray=FALSE; vRznw&^E
//}}AFX_DATA_INIT q?H|o(
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 Ve8=b0&Y#j
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 2pZXZ
} R
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void CCaptureDlg::DoDataExchange(CDataExchange* pDX) H!@kO]?n
{ %7QV&[4!
CDialog::DoDataExchange(pDX); }cM}Oavh
//{{AFX_DATA_MAP(CCaptureDlg) V~UN
DDX_Control(pDX, IDC_KEY, m_Key); "0$a)4]
DDX_Check(pDX, IDC_CONTROL, m_bControl); >;jZa
DDX_Check(pDX, IDC_ALT, m_bAlt); 3(``#7
DDX_Check(pDX, IDC_SHIFT, m_bShift); `b?R#:G
DDX_Text(pDX, IDC_PATH, m_Path); Av$]|b
DDX_Text(pDX, IDC_NUMBER, m_Number); Vk`h2BV
//}}AFX_DATA_MAP mJ<=n?{Z
} ajve~8/&
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BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) o m!!Sl 3
//{{AFX_MSG_MAP(CCaptureDlg) 50"pbzW
ON_WM_SYSCOMMAND() W= ig.-
ON_WM_PAINT() <'}YyU=
ON_WM_QUERYDRAGICON() *HU &4E\a
ON_BN_CLICKED(ID_ABOUT, OnAbout) l(yZO$
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) adlV!k7RG
ON_BN_CLICKED(ID_CHANGE, OnChange) r^2p*nr}
//}}AFX_MSG_MAP "N;`1ce
END_MESSAGE_MAP() ?K1/ <PE+
"H2EL}3/]
BOOL CCaptureDlg::OnInitDialog() ,1hxw<sNR
{
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CDialog::OnInitDialog(); e*sfPHt
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); HsxVZ.dS
ASSERT(IDM_ABOUTBOX < 0xF000); GmK^}=frj
CMenu* pSysMenu = GetSystemMenu(FALSE); +|*IZ:w)
if (pSysMenu != NULL) <:_wbVn-
{ 1kz\IQ{
CString strAboutMenu; ] ;KJ6
strAboutMenu.LoadString(IDS_ABOUTBOX); G%BjhpL
if (!strAboutMenu.IsEmpty()) 2L!u1
{ V#v`(j%
pSysMenu->AppendMenu(MF_SEPARATOR); b}\N;D.{
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); evenq$
H
} %]\kgRr
}
#+JG(^%B
SetIcon(m_hIcon, TRUE); // Set big icon 4d"r^y'
SetIcon(m_hIcon, FALSE); // Set small icon SfA\}@3
m_Key.SetCurSel(0); \S_Ou
RegisterHotkey(); G3txj
CMenu* pMenu=GetSystemMenu(FALSE); eFipIn)b
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); ag;Q F
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); qjc8fP2
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); Y&`=jDI
return TRUE; // return TRUE unless you set the focus to a control W'els)WJ|x
} hC:n5]K
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void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) q~
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{ 88Ey12$
if ((nID & 0xFFF0) == IDM_ABOUTBOX) 6e (Qwt
{ 8<5]\X
CAboutDlg dlgAbout; rW<KKGsRWQ
dlgAbout.DoModal(); +\x,HsUc"
} [2>yYr s_=
else Y2|#V#
{ 3s5z
UT;
CDialog::OnSysCommand(nID, lParam); RPwbTAl}
} C,wL0Yj[
} }q`ts=dlGt
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void CCaptureDlg::OnPaint() UMv.{iEj
{ dA#Q}.*r
if (IsIconic()) DP[IZC
{ s:?SF.
CPaintDC dc(this); // device context for painting +ndaLhj'
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); Y)1PB+
// Center icon in client rectangle lvdf^b/
j
int cxIcon = GetSystemMetrics(SM_CXICON); A8xvo/n$
int cyIcon = GetSystemMetrics(SM_CYICON); P|^f0Rw3.
CRect rect; 09|K>UC)v
GetClientRect(&rect); >q#rw
int x = (rect.Width() - cxIcon + 1) / 2; _uWpJhCT
int y = (rect.Height() - cyIcon + 1) / 2; B3: ez
jj
// Draw the icon B#exHf8
dc.DrawIcon(x, y, m_hIcon); w2;eh]k
} ]5mn ew
else }\hVy(\c
{ x`U^OLV
CDialog::OnPaint(); d+<G1w&