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:
}Pg'
vJW +~|AT+|iI 一、实现方法
bEr.nF cvAtw Q' 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:
IB7tAG8 VVrwOoCN #pragma data_seg("shareddata")
I Ru$oF} HHOOK hHook =NULL; //钩子句柄
.:;fAJPf UINT nHookCount =0; //挂接的程序数目
gf$HuCh| static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
J35l7HH static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
~Y/z=^ static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
2%]hYr; static int KeyCount =0;
9Nl*4 static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
8g5V,3_6 #pragma data_seg()
d7bjbJwu 4NVgOr: 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。
CT5Y/E?} y=o=1( 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:
)Ul&1UYA 8SD}nFQ BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
2_olT_# cKey,UCHAR cMask)
$k(9 U\y- {
o?R,0 - BOOL bAdded=FALSE;
tm xP Oe for(int index=0;index<MAX_KEY;index++){
`QCD$= if(hCallWnd[index]==0){
^~I @
spR4 hCallWnd[index]=hWnd;
c57b f HotKey[index]=cKey;
A. Nz_! HotKeyMask[index]=cMask;
9c5!\m1 bAdded=TRUE;
FYeEG KeyCount++;
._BB+G break;
@c"yAy^t }
ip5u_Xj? }
x[m'FsR4 return bAdded;
anZIB }
Y<ElJ>A2I //删除热键
u@"o[e': BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
0O['w<_ {
CI1m5g [P BOOL bRemoved=FALSE;
=w ,(M for(int index=0;index<MAX_KEY;index++){
?HxS)Pqq if(hCallWnd[index]==hWnd){
]EX--d<_` if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
LI$L9eNv;Y hCallWnd[index]=NULL;
WA$ p_% r= HotKey[index]=0;
(E]"Srwh HotKeyMask[index]=0;
wL|7mMM, bRemoved=TRUE;
o(SuUGW KeyCount--;
0-
Yeu5A break;
AuM:2N2 }
fsb=8>}63} }
]*h&hsS0 }
B(EtXB9 return bRemoved;
7#/|VQX<A }
[b pwg&Oo W.GN0(uG RQJ9MGw DLL中的钩子函数如下:
c( 8W8R 1#kawU6[] LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
u>
In(7\ {
z7$}#)Z7 BOOL bProcessed=FALSE;
4jD\]Q="1 if(HC_ACTION==nCode)
v @_?iC"` {
|<2JQ[] if((lParam&0xc0000000)==0xc0000000){// 有键松开
^8U6"O6|X switch(wParam)
R=DPeUy; {
O^D c&w case VK_MENU:
|3W3+Rn! MaskBits&=~ALTBIT;
s2%0#6c'c break;
>T$7{
~ case VK_CONTROL:
y#GCtkhi MaskBits&=~CTRLBIT;
f#2#g%x break;
Wpa$B
)xg case VK_SHIFT:
k@lXXII ? MaskBits&=~SHIFTBIT;
AzW%+ LUD break;
3Y=,r!F.h default: //judge the key and send message
|4LQ\'N& break;
(O<abB( }
!cv6 #: for(int index=0;index<MAX_KEY;index++){
iu+zw[f if(hCallWnd[index]==NULL)
]
+sSg=N7i continue;
.2{ 6h if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
T[mw}%3<v {
_;%.1H{N SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
Ty(yh(oYF` bProcessed=TRUE;
{m>~` }
+KYxw^k}"7 }
'G3+2hah }
?cA8P.?^A else if((lParam&0xc000ffff)==1){ //有键按下
o7hH9iY switch(wParam)
gA|!$EAM {
u_hE7#i case VK_MENU:
,OFq'}q MaskBits|=ALTBIT;
FL5ibg break;
MJpP!a^Q case VK_CONTROL:
QGu7D #%| MaskBits|=CTRLBIT;
c4S>_qH break;
#xD&z^o case VK_SHIFT:
[+Yl;3&] MaskBits|=SHIFTBIT;
8-W"4)@b break;
?T$*5d default: //judge the key and send message
7Q<Kha break;
&T5fH!?4 }
rytGr9S for(int index=0;index<MAX_KEY;index++){
Mt]=v}z if(hCallWnd[index]==NULL)
M^!C?(Hx^x continue;
m&(%&}g if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
u)N2 {
ski1f SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
/7!_un9 bProcessed=TRUE;
g!~-^_F }
58a)&s[+ }
KY;uO 8Te }
Po2_ 0uX if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
(xjoRbU* for(int index=0;index<MAX_KEY;index++){
.Bm ^3A if(hCallWnd[index]==NULL)
|*/uN~[ continue;
>e5q2U if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
G
"c&C SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
8YT_DM5iI //lParam的意义可看MSDN中WM_KEYDOWN部分
FB?q/ _ }
[esX{6,i }
1( QWt }
,E
n(gm return CallNextHookEx( hHook, nCode, wParam, lParam );
*Xf[b)FR }
%M4XbSN| v '"1/% L 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:
@ ~0G$ J, (U<%n BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
|e.3FjTH BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
QI
:/,w TV$\v@\ = 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
M+;!]tbc3 ImT+8pa LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
\ _-kOS {
[TpA26#TTO if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
Q
KDb {
)edU <1P //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
7><*
9iOW SaveBmp();
&)fhlp5 return FALSE;
Rd;~'gbG }
f0HV*%8 …… //其它处理及默认处理
^bY^x+d }
->RF`SQu hhh: rmEZl \M3NasZ 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
s$+: F$Y0 b@Mng6R 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。
GakmROZ@9 f;_K}23 二、编程步骤
tSh}0N) MU^xu&MB 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";
D,m&^P=%e hD9'`SQ 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
:g]HB,78
~[
ks| 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;
Pvb+
G-Ml+@e> 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;
x:&L?eOT 41fm} 5、 添加代码,编译运行程序。
qkR,<"C|` \I o?ul}za 三、程序代码
41+E U Mc "YdDaj</ ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
|
xErA #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
aaa#/OWQZ #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
Zia|`}peW #if _MSC_VER > 1000
zdpLAr #pragma once
T\b";+!W #endif // _MSC_VER > 1000
4-?`# #ifndef __AFXWIN_H__
JNA}EY^2I. #error include 'stdafx.h' before including this file for PCH
J1v0
\ #endif
~%!U,)- #include "resource.h" // main symbols
RWm Q] class CHookApp : public CWinApp
z6>ZV6(d2^ {
(qc!-Isd~[ public:
bZ@53 CHookApp();
0g*r!aa // Overrides
eMPQ|
W // ClassWizard generated virtual function overrides
.WPR}v,.Z //{{AFX_VIRTUAL(CHookApp)
w]P7!t public:
gm%bxr@X~ virtual BOOL InitInstance();
F~0%j}ve virtual int ExitInstance();
576-X_a, //}}AFX_VIRTUAL
i!+3uHWu`) //{{AFX_MSG(CHookApp)
p/^\(/\]) // NOTE - the ClassWizard will add and remove member functions here.
L|xen*O // DO NOT EDIT what you see in these blocks of generated code !
3x;y}:wQa //}}AFX_MSG
]bU'G$Qm&s DECLARE_MESSAGE_MAP()
F8r455_W" };
:\=
NH0M LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
uP'w.nA&2 BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
\oZUG BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
5]n<%bP\ BOOL InitHotkey();
Rb>RjHo S BOOL UnInit();
uJ5%JB("E #endif
k2,oyUT=S `0WA!(W //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
{O,M}0Eg #include "stdafx.h"
M[3w EX^ #include "hook.h"
Ch&]<#E>` #include <windowsx.h>
7(+ZfY~w" #ifdef _DEBUG
N(/<qv #define new DEBUG_NEW
$Aoqtz d\ #undef THIS_FILE
WHj4#v( static char THIS_FILE[] = __FILE__;
x]01j4HJ #endif
pj-HLuZR #define MAX_KEY 100
tJF~Xv2L! #define CTRLBIT 0x04
r^tXr[} #define ALTBIT 0x02
oZcwbo8 #define SHIFTBIT 0x01
<|.! Px86 #pragma data_seg("shareddata")
lNeF>zz HHOOK hHook =NULL;
nX aX= UINT nHookCount =0;
?g#t3j>zoF static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
j I@$h_n static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
8!`.%)- 4 static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
t
}C
^E static int KeyCount =0;
F?AfB[PM static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
yl+)I #pragma data_seg()
iwx0V HINSTANCE hins;
v?"ee&Y6 void VerifyWindow();
2o}G<7r BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
r!gCh`PiK //{{AFX_MSG_MAP(CHookApp)
^dKaa // NOTE - the ClassWizard will add and remove mapping macros here.
]~eWr2uG? // DO NOT EDIT what you see in these blocks of generated code!
}Fe{s; //}}AFX_MSG_MAP
JkDZl?x5 END_MESSAGE_MAP()
HD^~4\% z"C(#Y56 x CHookApp::CHookApp()
>} (*s^!k {
jY6=+9Jz5 // TODO: add construction code here,
?(UXK hs // Place all significant initialization in InitInstance
_llaH }
[|O6n"' 1gK3=Ys CHookApp theApp;
q x }fn/: LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
BQ)43Rr> {
#;\;F PuZ BOOL bProcessed=FALSE;
KKJ [ if(HC_ACTION==nCode)
84\o7@$# {
6]49kHgMhe if((lParam&0xc0000000)==0xc0000000){// Key up
CP#MNNvgrw switch(wParam)
d"a7{~l {
n.>'&<H>9 case VK_MENU:
t[ocp;Q MaskBits&=~ALTBIT;
5Cka."bQ break;
1h0ohW case VK_CONTROL:
l q9h Dn[p MaskBits&=~CTRLBIT;
Io X9yGq break;
o*BI^4 case VK_SHIFT:
FLOJ MaskBits&=~SHIFTBIT;
)O(Gw-jWE break;
zXPj7K* default: //judge the key and send message
.]l2)OlLQ break;
l@jJJ)Qyk }
_j
tS-CnO for(int index=0;index<MAX_KEY;index++){
," R_ve if(hCallWnd[index]==NULL)
FJiP>S[] continue;
X*):N] if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
EmoU7iy {
DYl{{L8@ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
/T'nY{ bProcessed=TRUE;
bv];Gk*Z- }
W5g!`f }
oABPGyv }
0P
>dXd)T else if((lParam&0xc000ffff)==1){ //Key down
] 6B!eB
! switch(wParam)
q0<`XDD` {
~`fB\7M case VK_MENU:
O,6!`\N D MaskBits|=ALTBIT;
r\`m[Q break;
[!
BH3J! case VK_CONTROL:
Z:Am\7 I MaskBits|=CTRLBIT;
cv1L!Ce, break;
"G(/MT^C case VK_SHIFT:
!d_A? q'hN MaskBits|=SHIFTBIT;
t9{EO#o'k break;
dj]N59< default: //judge the key and send message
C" WZsF^3 break;
gH.^NO5\' }
$sJfxh
r for(int index=0;index<MAX_KEY;index++)
r2w7lf66! {
nVD
YAg' if(hCallWnd[index]==NULL)
&[pwLYf7 continue;
?Fv(4g if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
-]%@,L^@ {
(5
hu
W7v SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
@I:&ozy }= bProcessed=TRUE;
,Fiiw }
,//=yW }
_>I5Ud8(- }
LPF?\mf ^4 if(!bProcessed){
rK wkj) for(int index=0;index<MAX_KEY;index++){
IuD<lMeJJ if(hCallWnd[index]==NULL)
:8
:>CHa continue;
;<H2N0qJ( if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
KG@hjO SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
_L>n!"E/ }
iYkNtqn/ }
(z{xd }
vD t?N9 return CallNextHookEx( hHook, nCode, wParam, lParam );
gw:BKR'o }
<D}k@M
Z 5N0H^ BOOL InitHotkey()
j/&7L@Y {
XlPy(> if(hHook!=NULL){
00+5a
TrE nHookCount++;
TuL(
/ return TRUE;
`^ok5w"oi }
X,~C else
mDUS9> hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
4<|]k?@ if(hHook!=NULL)
t|%ul6{gz nHookCount++;
;7}*Xr| return (hHook!=NULL);
NT 'Y h }
ko$R%W&T BOOL UnInit()
t)h3G M {
::6@mFL R if(nHookCount>1){
{1[8,Ho nHookCount--;
ifUgj8i_ return TRUE;
cqDnZ`|6 }
7JbrIdDl| BOOL unhooked = UnhookWindowsHookEx(hHook);
t [f] if(unhooked==TRUE){
Yhfk{ CI nHookCount=0;
lCXo+|$?s hHook=NULL;
lUmaNZ }
V!p;ME return unhooked;
I5{SC-7 }
PYGHN
T Zr3KzY9 BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
ZC"p^~U_e[ {
~9=g" v BOOL bAdded=FALSE;
t V</x0# for(int index=0;index<MAX_KEY;index++){
?]S*=6 if(hCallWnd[index]==0){
iM-@?!WF hCallWnd[index]=hWnd;
bA:abO HotKey[index]=cKey;
6Y=)12T HotKeyMask[index]=cMask;
8l6R.l
bAdded=TRUE;
7y!{lr=n KeyCount++;
@L0.Z1 ). break;
%VgR * }
\O56!,k }
K\#+;\V return bAdded;
6v-h!1p{u }
UWz<~Vy 09r.0Ks BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
bLg1Dd7Q {
)9s[-W,e BOOL bRemoved=FALSE;
yfj<P/aA+ for(int index=0;index<MAX_KEY;index++){
]'{<O3:7 if(hCallWnd[index]==hWnd){
Lq:Z='Kc if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
wNn6".S hCallWnd[index]=NULL;
(c;$^xZK HotKey[index]=0;
>5\rU[H> HotKeyMask[index]=0;
r!+)U#8 bRemoved=TRUE;
|2Q;SaI^\ KeyCount--;
5bk5EE` break;
O3S_P]{*ny }
."${.BPn~ }
)l^w _; }
4q2aVm return bRemoved;
C+_ NG }
%%*t{0!H+ xRb-m$B}L void VerifyWindow()
6 LC*X {
[!"u&iu` for(int i=0;i<MAX_KEY;i++){
."dmL= if(hCallWnd
!=NULL){ CQS34&G$a
if(!IsWindow(hCallWnd)){ IYd)Vv3'j
hCallWnd=NULL; )!'SSVaRs
HotKey=0; 7yK
>
HotKeyMask=0; E1=]m
KeyCount--; ;sDFTKf
} H13|bM<
} !RV}dhI
} 94Z~]C
} 0e&Vvl4DK
6#v"+V
BOOL CHookApp::InitInstance() YoJN.],gf
{ aB.`'d)V
AFX_MANAGE_STATE(AfxGetStaticModuleState()); -3A#a_fu
hins=AfxGetInstanceHandle(); +h"RXwlBM
InitHotkey(); jvA]EN6$;~
return CWinApp::InitInstance(); D3$}S{Yw1
} VB\oK\F5z
sa{X.}i%E
int CHookApp::ExitInstance() ~!\n
{ L9(fa+$+#
VerifyWindow(); Ji gc@@B.
UnInit(); -
3kg,=HU;
return CWinApp::ExitInstance(); 52=?!
JM
} vk&C'&uV9@
b k 30d
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file =JY9K0S~
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) .>_p7=a
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ F|9
W7
#if _MSC_VER > 1000 wjDLsf,
#pragma once 5\lOZYHX
#endif // _MSC_VER > 1000 'Tj9btM*cL
qdWsP9}q
class CCaptureDlg : public CDialog l-g+E{ZM
{ =otJf~
// Construction 8V?O=3<a
public: 3+rud9T
BOOL bTray; pbt/i+!
BOOL bRegistered; 6x7pqHM
BOOL RegisterHotkey(); f
0D9Mp
UCHAR cKey; LNPwb1)
UCHAR cMask; =y.? =`"
void DeleteIcon(); hKj"Lb9]
void AddIcon(); `C9/=
UINT nCount; _Gvn1"l
void SaveBmp(); {
<f]6
CCaptureDlg(CWnd* pParent = NULL); // standard constructor
Ep)rEq6
// Dialog Data V*U{q%p(
//{{AFX_DATA(CCaptureDlg) .-Yhpw>f
enum { IDD = IDD_CAPTURE_DIALOG }; BxVo>r
CComboBox m_Key; ~RgO9p(dY
BOOL m_bControl; e@|/, W
BOOL m_bAlt; k` cz$>
BOOL m_bShift; Hx5t![g2K!
CString m_Path; /{QR:8}-Q
CString m_Number; !N ua
//}}AFX_DATA )%FRBO]
// ClassWizard generated virtual function overrides '[g@A>xDvW
//{{AFX_VIRTUAL(CCaptureDlg) kqdF)Wa am
public: s~V%eq("}
virtual BOOL PreTranslateMessage(MSG* pMsg); d[eN#<
protected: ~;>
psNy
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support I*hCIy#;
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); OFH!z{*
//}}AFX_VIRTUAL aAJ'0xnj
// Implementation n o).70K
protected: d)d\h`=Z
HICON m_hIcon; D;
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// Generated message map functions XqX6UEVR4
//{{AFX_MSG(CCaptureDlg) tj<a , l
virtual BOOL OnInitDialog(); m$6u K0
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); ZxW4 i
afx_msg void OnPaint(); `0'Bg2'
afx_msg HCURSOR OnQueryDragIcon(); Twl>Pn>
virtual void OnCancel(); (nL''#Ka
afx_msg void OnAbout(); 4K{<R!2I
afx_msg void OnBrowse(); a8$gXX-2
afx_msg void OnChange(); ti%uyXfja
//}}AFX_MSG ,z8<[Q-#
DECLARE_MESSAGE_MAP() JzI/kH~
}; E3%:7MB
#endif $=) i{kGS@
%VZQX_
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file N3 O~_=/v?
#include "stdafx.h" n_ORD@$]
#include "Capture.h" z;fi
#include "CaptureDlg.h" EkWipF(
#include <windowsx.h> rsSE*(T
t
#pragma comment(lib,"hook.lib") 0 1~&H8 =
#ifdef _DEBUG WJD1U?`
#define new DEBUG_NEW 1"7Rs}l7
#undef THIS_FILE GP|G[
static char THIS_FILE[] = __FILE__; T;{M9W+
#endif s{q)P1x
#define IDM_SHELL WM_USER+1 >M1m(u84#
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); .~>Uh3S
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); e(t,~(
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; ^dc~hD
class CAboutDlg : public CDialog KNH.4A ,
{ /1s|FI$-L
public: _@-D/g
CAboutDlg(); YSQB*FBz
// Dialog Data KB3zQJY
//{{AFX_DATA(CAboutDlg) 4|PNsHXt
enum { IDD = IDD_ABOUTBOX }; ah1DuTT/G
//}}AFX_DATA ^##tk
// ClassWizard generated virtual function overrides qhNY<
//{{AFX_VIRTUAL(CAboutDlg) Y bX3_N&
protected: DH@})TN*O
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support $%*E)~
//}}AFX_VIRTUAL b ] W^_
// Implementation k Z^}
protected: \Pv_5LAo
//{{AFX_MSG(CAboutDlg) Cq-d,
//}}AFX_MSG qJ\tc\
DECLARE_MESSAGE_MAP() Mwm=r//
}; HkH!B.H]
IO, kGUS
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) E Z^eEDZ
{ 2d%j6D
//{{AFX_DATA_INIT(CAboutDlg) H\BhAf
//}}AFX_DATA_INIT !`S`%\"
} 0H|U9
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void CAboutDlg::DoDataExchange(CDataExchange* pDX) _3G;-iNX;
{ d~lB4
CDialog::DoDataExchange(pDX); ~hJ/&,vH!
//{{AFX_DATA_MAP(CAboutDlg) }=d]ke9_
//}}AFX_DATA_MAP *)PCPYB^
} A..,.
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BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) ]6PX4oK_t
//{{AFX_MSG_MAP(CAboutDlg) n9qO;X4&
// No message handlers ct,Iu+HJ
//}}AFX_MSG_MAP Y6_%HYI$
END_MESSAGE_MAP() K2=`.
IV"OzQONx
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) pv:7kgod
: CDialog(CCaptureDlg::IDD, pParent) .kv/db
{ ;B8#Nf
//{{AFX_DATA_INIT(CCaptureDlg) =N_7DT
m_bControl = FALSE; 35 Y#eU2]
m_bAlt = FALSE; H<^*V8J 'w
m_bShift = FALSE; 3 #fOrNU2
m_Path = _T("c:\\"); 1KH]l336D"
m_Number = _T("0 picture captured."); mPl2y3m%
nCount=0; +Lq;0tRC
bRegistered=FALSE; d+
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bTray=FALSE; Q}a, f75
//}}AFX_DATA_INIT |*~=w J_
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 Bl)znJ^
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); rZ.,\ X_
} R"j6 w[tn
mp^;8??;
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) F4!,8)}
{ c&A;0**K,
CDialog::DoDataExchange(pDX); <NIg`B@ 's
//{{AFX_DATA_MAP(CCaptureDlg) ^X&`:f
DDX_Control(pDX, IDC_KEY, m_Key); 5if4eitS
DDX_Check(pDX, IDC_CONTROL, m_bControl); n@3(bl5{
DDX_Check(pDX, IDC_ALT, m_bAlt); R@h@@lSf
DDX_Check(pDX, IDC_SHIFT, m_bShift); x~7_`=}rO
DDX_Text(pDX, IDC_PATH, m_Path); |FF"vRi8a7
DDX_Text(pDX, IDC_NUMBER, m_Number); |sM#nhxK
//}}AFX_DATA_MAP 9u3~s<
} XHKVs
jU 4*fzsZI
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) %s]l^RZ
//{{AFX_MSG_MAP(CCaptureDlg) s_(%1/{
ON_WM_SYSCOMMAND() 9J"Y
ON_WM_PAINT() nm[ yp3B
ON_WM_QUERYDRAGICON() Jk$XL<t
ON_BN_CLICKED(ID_ABOUT, OnAbout) 1wx&/#a
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) TEgmE9^`)7
ON_BN_CLICKED(ID_CHANGE, OnChange) c$<7&{Pb
//}}AFX_MSG_MAP M4;A4V=W
END_MESSAGE_MAP() IIN"'7Z^R
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BOOL CCaptureDlg::OnInitDialog() ] Q}z-U
{ Ivw+U-Mz
CDialog::OnInitDialog(); 4r@dV%:%<
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); \M]w I
ASSERT(IDM_ABOUTBOX < 0xF000); DYvi1X6
CMenu* pSysMenu = GetSystemMenu(FALSE); $EHnlaG8r
if (pSysMenu != NULL) UOWOOdWSB
{ ;l]OmcL
CString strAboutMenu; $(2c0S{ 1
strAboutMenu.LoadString(IDS_ABOUTBOX); [zO
if (!strAboutMenu.IsEmpty()) 0:W*_w0Ge
{ :#M(,S"Qq
pSysMenu->AppendMenu(MF_SEPARATOR); Vt_NvPB`
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); /MS*_
} Sb&sW?M
} R/H?/
SetIcon(m_hIcon, TRUE); // Set big icon cZ(7/Pl
SetIcon(m_hIcon, FALSE); // Set small icon :!vDX2o)\
m_Key.SetCurSel(0); (n&Hjz,Fv
RegisterHotkey(); .uAOk0^z
CMenu* pMenu=GetSystemMenu(FALSE); x\ :x`k@
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); G0sg\]
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); 'ADaz75`*r
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); W\{gBjfE
return TRUE; // return TRUE unless you set the focus to a control =rj5 q
} MC5M><5\
DzLm~
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void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) & A=q _
{ H6<\7W89y
if ((nID & 0xFFF0) == IDM_ABOUTBOX) `pp"htm
{ &`7tX.iMlh
CAboutDlg dlgAbout; ~o:lh],~
dlgAbout.DoModal(); 2?LZW14$d
} xACAtJ'gc
else .tB[8Y =J
{ whW"cFg
CDialog::OnSysCommand(nID, lParam); /easmf]
} C7%+1w'D8
} f\oB/
V@jR8zv|_
void CCaptureDlg::OnPaint() 89F^I"Im(
{ ]A;zY%>
if (IsIconic()) A7.$soI\
{ imdfin?=
CPaintDC dc(this); // device context for painting 9C5w!_b@
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); kV7c\|N9
// Center icon in client rectangle /nEh,<Y)
int cxIcon = GetSystemMetrics(SM_CXICON); |F36^
int cyIcon = GetSystemMetrics(SM_CYICON); zBWn*A[4
CRect rect; PTe8,cD>
GetClientRect(&rect); ya]CxnKR3
int x = (rect.Width() - cxIcon + 1) / 2; pg69mKZ$
int y = (rect.Height() - cyIcon + 1) / 2; `.+_}.m
// Draw the icon l -~HY*
dc.DrawIcon(x, y, m_hIcon); h?2qX
} F9q<MTh
else \p"`!n
{ e7/ b@
CDialog::OnPaint(); CuPZ0
} lz X0B&:
} yG?,8!/]
iXtar;%
HCURSOR CCaptureDlg::OnQueryDragIcon() }<w/2<