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:
6lU|mJ`M
)5i*/I\ 一、实现方法
d^SE)/j Qp 69Sk@H{ 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:
0^iJlR2 |uQ[W17^N #pragma data_seg("shareddata")
^Jtl;Q HHOOK hHook =NULL; //钩子句柄
"`]'ZIx[R/ UINT nHookCount =0; //挂接的程序数目
I=b'j5c static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
<UK5eVQn static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
Ld~4nc$H8 static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
pX]21&F static int KeyCount =0;
3Q$c'C static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
0.(Ml5&e #pragma data_seg()
S-P{/;c@ 5ZUy: 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。
65"uD7; J" wKR y 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:
GiqBzV3" jNqVdP]d\ BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
J(hA^;8: cKey,UCHAR cMask)
UC#"=Xd4 {
+
o{*r# BOOL bAdded=FALSE;
f-]><z for(int index=0;index<MAX_KEY;index++){
%(NN*o9"q if(hCallWnd[index]==0){
dk4D+*R hCallWnd[index]=hWnd;
5%qH7[dx HotKey[index]=cKey;
\!7*(&yly HotKeyMask[index]=cMask;
C$ hQN bAdded=TRUE;
!3?~#e{_ KeyCount++;
rBD2Si= break;
cl2ze }
NCxn^$/+>9 }
ul$omKI$} return bAdded;
HYFN?~G }
g`.{K"N>! //删除热键
Av[Ud
*~ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
H CuK {
2@5A&b BOOL bRemoved=FALSE;
N=<=dp( for(int index=0;index<MAX_KEY;index++){
Xiw@ if(hCallWnd[index]==hWnd){
64b<0;~ if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
JQH7ZaN hCallWnd[index]=NULL;
}_vM&.GFlL HotKey[index]=0;
tKX}Ok:V% HotKeyMask[index]=0;
Ir>2sTrm bRemoved=TRUE;
z^9E; KeyCount--;
\@:j break;
y\z*p&I }
u:eW0Ows" }
[^Q&suy }
[DL|Ht> return bRemoved;
[{/$9k-aF? }
)ZeLaa P Ki63Ox^O @Z"?^2 DLL中的钩子函数如下:
iU,/!IQ "bi != LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
:Ip~)n9t {
b+_hI)T BOOL bProcessed=FALSE;
YVJ+'
A=| if(HC_ACTION==nCode)
DUQ9AT#3 {
|thad!? if((lParam&0xc0000000)==0xc0000000){// 有键松开
0ovZ&l switch(wParam)
/xF 9:r {
rF'<r~Lw case VK_MENU:
$oc9
|Q 7 MaskBits&=~ALTBIT;
k|l5 "&K~. break;
{Bc#?n case VK_CONTROL:
.h a`)@MsZ MaskBits&=~CTRLBIT;
M-vC>u3Y break;
bbO+%-(X case VK_SHIFT:
wyNC|P;j$g MaskBits&=~SHIFTBIT;
h9U+%=^O break;
H[Cj7{V default: //judge the key and send message
q1P :^<[ break;
=J`gGDhGY- }
>Rr!rtc'x for(int index=0;index<MAX_KEY;index++){
qZ233pc if(hCallWnd[index]==NULL)
*qbRP"#[$ continue;
^b:Xo"q#H if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
y3Y2QC( {
Hl!1h% SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
$>|?k$(x bProcessed=TRUE;
(%Ng'~J\| }
1"M"h_4 }
=P)"NP7f' }
]|t9B/()i else if((lParam&0xc000ffff)==1){ //有键按下
@{'o#EJY switch(wParam)
~.FnpMDY {
j_(?=7Y3g case VK_MENU:
S'|lU@PCl MaskBits|=ALTBIT;
<Ak:8&$O break;
yg`E22 case VK_CONTROL:
/%-o.hT MaskBits|=CTRLBIT;
FzA{UO break;
f>p; siR) case VK_SHIFT:
/#@LRN<oCq MaskBits|=SHIFTBIT;
o}d2N/T break;
B%) zGTp6 default: //judge the key and send message
QXsfp break;
:l4^iSf }
cxL,]27Bu for(int index=0;index<MAX_KEY;index++){
s87 a% if(hCallWnd[index]==NULL)
vi^z5n continue;
33O)k*g if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
@Ap@m6K?q {
8TUF w@H% SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
)_X;9%L7 bProcessed=TRUE;
;g&7*1E }
YmZC?x_{M2 }
zI1(F67d` }
Z4=_k{* if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
N'I?fWN!;R for(int index=0;index<MAX_KEY;index++){
O.]_Ry\OXA if(hCallWnd[index]==NULL)
md.* continue;
}R4(B2vup if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
zwK g SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
t>XZ3 //lParam的意义可看MSDN中WM_KEYDOWN部分
fF\*v }
Y"r3i] }
zUe#Wp[ }
Tw?Pp8' return CallNextHookEx( hHook, nCode, wParam, lParam );
jM{qRfOrg }
" vv$%^ B8`R(vu; 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:
-Mr{+pf [O.LUR; BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
PY[Sz=[ BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
/,=Wy"0TJ \x3^ 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:
J11dqj 5hlJbWJa LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
kt;}]O2%R {
?aP1 if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
q]2}UuM|U {
Sr4dY`V*:z //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
UDhwnGTq(l SaveBmp();
W ]a7&S return FALSE;
Ej-=y2j{g }
V22q*/iV …… //其它处理及默认处理
#-l!`\@ }
`HE>%=]b T3=-UYx] .%-6&%1 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。
FcuEeca %:yHMEG]' 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。
}Z~pfm_S 8Sd?b5|G~ 二、编程步骤
z:0-aDeM $}^Rsv( 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
m0dFA<5- KfJ c 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
7vB9K _wCI |;xfe"] 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
}Bv30V2-( ~ex~(AWh 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
wFKuSd >\^N\& 5、 添加代码,编译运行程序。
'[7C~r{% >[A65q' 三、程序代码
Om &{4a\ GQEI f$ ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
oyi7YRvwd #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
e<ism?WG #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
*y":@T #if _MSC_VER > 1000
j TB<E=WC #pragma once
r"HbrQn #endif // _MSC_VER > 1000
X^?|Sz<^E #ifndef __AFXWIN_H__
gPA>*;?E;@ #error include 'stdafx.h' before including this file for PCH
V1UUAvN7s #endif
>"PqQO #include "resource.h" // main symbols
+35)=Uov class CHookApp : public CWinApp
'<*CD_2t- {
.:#_5K public:
0jip::x CHookApp();
h^.tomg8 // Overrides
//`cwnjp // ClassWizard generated virtual function overrides
.=et{\ //{{AFX_VIRTUAL(CHookApp)
r1^m#!=B public:
5bGjO&$l virtual BOOL InitInstance();
LZZ:P virtual int ExitInstance();
ba1$kU //}}AFX_VIRTUAL
l,^i5t' //{{AFX_MSG(CHookApp)
U{U:8== // NOTE - the ClassWizard will add and remove member functions here.
b7>,-O // DO NOT EDIT what you see in these blocks of generated code !
(}/.4xE //}}AFX_MSG
B6Wq/fl/ DECLARE_MESSAGE_MAP()
aHVdClD2o };
2Be ?5+ LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
zx_O"0{5 BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
-Ib+#pX BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
]ft~OqLg! BOOL InitHotkey();
E'Fv *UA BOOL UnInit();
=2vMw] #endif
S1x.pLHj8 *'AS^2' //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
h1G*y #include "stdafx.h"
Cnc\sMDJ\B #include "hook.h"
<?=mLOo= #include <windowsx.h>
n'0$>Q #ifdef _DEBUG
5pKvNLy.t #define new DEBUG_NEW
oZ\qT0*eb #undef THIS_FILE
tehI!->l static char THIS_FILE[] = __FILE__;
F'Y2f6B #endif
FJwZo}<6E #define MAX_KEY 100
6S&=OK^ #define CTRLBIT 0x04
9wDBC~. #define ALTBIT 0x02
@FnI?Rx #define SHIFTBIT 0x01
Ok~W@sYST #pragma data_seg("shareddata")
>TQBRA;' HHOOK hHook =NULL;
J4*:.8Ki UINT nHookCount =0;
w50Bq&/jX static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
JPoK\-9NT static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
I]WeZ,E static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
i?i7T` static int KeyCount =0;
?( dYW7S static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
#$vhC u<I #pragma data_seg()
]L%R[Z!3 HINSTANCE hins;
n'&`9M['%d void VerifyWindow();
SceCucT BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
aJa^~*N/Aa //{{AFX_MSG_MAP(CHookApp)
44fq1<.K // NOTE - the ClassWizard will add and remove mapping macros here.
Kt!IyIa;Ht // DO NOT EDIT what you see in these blocks of generated code!
kUaGok? //}}AFX_MSG_MAP
ma]F%E+$ END_MESSAGE_MAP()
~QEXB*X-g'
8.;';[ CHookApp::CHookApp()
P9tQS"Rs {
SJ WP8+ // TODO: add construction code here,
M~{P',l* // Place all significant initialization in InitInstance
&Lt$a_y> }
:(?hLH.W[ 0Z);.l^ CHookApp theApp;
h,WY2Hr LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
:z0>H5 {
&8_#hne_ BOOL bProcessed=FALSE;
R{OE{8; if(HC_ACTION==nCode)
mJDKxgGK {
~=AKX(Q if((lParam&0xc0000000)==0xc0000000){// Key up
>$S,>d_k` switch(wParam)
,O&PLr8cJ? {
^ yukn*L case VK_MENU:
F#}1{$)%
/ MaskBits&=~ALTBIT;
DP6{HR$L break;
4gkV]"
H! case VK_CONTROL:
#Wc #fP MaskBits&=~CTRLBIT;
T
m@1q!G break;
=`\,2Nb case VK_SHIFT:
b#I*~ MaskBits&=~SHIFTBIT;
vo( j@+dz break;
}fZ=T4r default: //judge the key and send message
b-(UsY: break;
:kiO }
FskJyB[ for(int index=0;index<MAX_KEY;index++){
ng&EGM if(hCallWnd[index]==NULL)
8$<AxNR
continue;
J"2ODB5" if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
FG5c:Ep {
?"8A^
^ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
Y1E>T-Ma bProcessed=TRUE;
q[|`&6B }
rX>y>{w~ }
K%TKQ<R| }
<
8 Y<w|Hh else if((lParam&0xc000ffff)==1){ //Key down
]20"la5 switch(wParam)
>pH775I= {
tId !C case VK_MENU:
Rn~Xu)@e MaskBits|=ALTBIT;
Ualq>J5-m- break;
_hyxKrm'
6 case VK_CONTROL:
ATmqq)\s MaskBits|=CTRLBIT;
4@mXtA break;
M+R)P+ case VK_SHIFT:
On.x~t MaskBits|=SHIFTBIT;
xE-c9AH break;
GWqY$YT default: //judge the key and send message
dK;\`>8 break;
.kKwdqO+zB }
~!d)J for(int index=0;index<MAX_KEY;index++)
L|1zHDxQ {
C94UF7al if(hCallWnd[index]==NULL)
hHl-;%# continue;
ExP25T if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
6j"I5,-~! {
hC,-9c SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
\;:@=9` bProcessed=TRUE;
"`3^MvC }
,8o*!(uO2 }
:6k DUFj} }
7(g&z% if(!bProcessed){
q>:&xR"ra for(int index=0;index<MAX_KEY;index++){
rD
U6 5j if(hCallWnd[index]==NULL)
)4_6\VaM continue;
//5_E7Ehu$ if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
w$;*~Qc SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
Ufe }
:9
iOuu }
+ZA\M:^b }
Fx99"3`3 return CallNextHookEx( hHook, nCode, wParam, lParam );
n25tr'= }
(`y|AOs #M^Yh?~%w BOOL InitHotkey()
IZv, Wo {
s>``-
]3 if(hHook!=NULL){
yqb<<4I nHookCount++;
2d;xAX ] return TRUE;
`L*;58MA }
PW//8lsR else
>Wit"p hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
Qp{-!* if(hHook!=NULL)
I+d(r"N1 nHookCount++;
s&`XK$p
return (hHook!=NULL);
L8tLW09 }
r\ Yur BOOL UnInit()
>;r05,mc {
G{Enh<V if(nHookCount>1){
c2mt<DtWW nHookCount--;
Ru')X{]25 return TRUE;
,Ve@=< }
<$6'Mzf BOOL unhooked = UnhookWindowsHookEx(hHook);
z(X6%p0 if(unhooked==TRUE){
_%Ld
Ez nHookCount=0;
J9=0?^v-:B hHook=NULL;
N_k6UA9 }
UR2)e{RXg return unhooked;
eL?si!ZL^ }
yIf}b HgATH BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
$(L7/M {
Hpg;?xAT BOOL bAdded=FALSE;
|<
FCt-U for(int index=0;index<MAX_KEY;index++){
'I>#0VRr if(hCallWnd[index]==0){
[_hhC hCallWnd[index]=hWnd;
FYS83uq0 HotKey[index]=cKey;
Bg0cC HotKeyMask[index]=cMask;
_";pk _ bAdded=TRUE;
;/q6^Nk3A KeyCount++;
vl~ break;
}Q^a.`h }
*>$)#?t }
&p4<@k\L return bAdded;
KL"L65g& }
G5f57F _1c_TM h}9 BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
V"jnrNs3 {
5g>kr<K BOOL bRemoved=FALSE;
>b?)WNk for(int index=0;index<MAX_KEY;index++){
*9(1:N;# if(hCallWnd[index]==hWnd){
jyH_/X5i7 if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
ykhCt\t[ hCallWnd[index]=NULL;
jF_I4H HotKey[index]=0;
",V5*1w HotKeyMask[index]=0;
iQ"F`C bRemoved=TRUE;
~WXxVm*@ KeyCount--;
F/>Pvq] break;
^tcBxDC"] }
X )s7_ }
Hbc&.W;g7[ }
+##I4vP return bRemoved;
Bic {
H }
&it/@8yH `2+e\%f/0 void VerifyWindow()
I'b]s~u {
ymX,k|lh for(int i=0;i<MAX_KEY;i++){
wR$8drn]Rq if(hCallWnd
!=NULL){ }c5`~ LLK
if(!IsWindow(hCallWnd)){ 7zZ|=W?&{
hCallWnd=NULL; l8Qi^<i/
HotKey=0; Y<fXuj|&
HotKeyMask=0; g"?D>}@=
KeyCount--; A_|FsQ6$P
} ta.,4R&K
} NYvj?>[y
} 82!GM.b
} bI(98V,t
H5 hUY'O
BOOL CHookApp::InitInstance() }_;!E@
{ yE,o~O
AFX_MANAGE_STATE(AfxGetStaticModuleState()); =W*`HV-w
hins=AfxGetInstanceHandle(); @0'|Uygn
InitHotkey(); ;}'<`(f&nX
return CWinApp::InitInstance(); -V<"Ay
} j)qh>y)
{U-EBXV
int CHookApp::ExitInstance() Mu%,@?zM^/
{ VW`=9T5%@
VerifyWindow(); *G41%uz
UnInit(); F
&}V65
return CWinApp::ExitInstance(); * =@pdQkR
} s9Z2EjQV
8:fiO|~%
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file >;W(Jb7e
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) mDfWR
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ ]t;5kj/
#if _MSC_VER > 1000 ]bweQw@i
#pragma once TeqsP1{?
#endif // _MSC_VER > 1000 Q*(o;\s
Mwc3@
class CCaptureDlg : public CDialog {2@96o2}
{ _I4sy=tYXK
// Construction q:.BY}X9
public: dxWw%_Q
BOOL bTray; =
g}yA=.
BOOL bRegistered; ]#n4A|&H
BOOL RegisterHotkey(); NLY5L7
UCHAR cKey; w,9F riW
UCHAR cMask; 3v U (4}@
void DeleteIcon(); \]%U?`A
void AddIcon(); Y&:i^k
UINT nCount; 3/FB>w gt
void SaveBmp(); oD\+ 5[x
CCaptureDlg(CWnd* pParent = NULL); // standard constructor O_^h 7
// Dialog Data >O~5s.1u
//{{AFX_DATA(CCaptureDlg)
?~IZ{!
enum { IDD = IDD_CAPTURE_DIALOG }; '7s!NF2
CComboBox m_Key; UI;{3Bn
BOOL m_bControl; L ai"D[N
BOOL m_bAlt; Hp!F?J7sx
BOOL m_bShift; P7-3Vf_L
CString m_Path; R0}%
CString m_Number; {8RGW0Y
//}}AFX_DATA %A3Jd4DH
// ClassWizard generated virtual function overrides +)SX
//{{AFX_VIRTUAL(CCaptureDlg) p;Kr664
public: q?&&:.H"?5
virtual BOOL PreTranslateMessage(MSG* pMsg); 'zK*?= ^jk
protected: %>TdTt
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support {IWb:p#I]
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); K>y+3HN[6
//}}AFX_VIRTUAL +E4_^
// Implementation {wI0 =U
protected: Lt_]3go
HICON m_hIcon; cDg27xOUi
// Generated message map functions ^ a:F*<D
//{{AFX_MSG(CCaptureDlg) &bQ^J%\
virtual BOOL OnInitDialog(); 2uVm?nm
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); soF ^G21N
afx_msg void OnPaint(); x5ia<V>=d
afx_msg HCURSOR OnQueryDragIcon(); m='OnTeOE
virtual void OnCancel(); B|v
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afx_msg void OnAbout(); Sf9+TW
afx_msg void OnBrowse(); kWFR(J&R
afx_msg void OnChange(); uypD`%pC
//}}AFX_MSG o;fQ,rP%
DECLARE_MESSAGE_MAP() x%1Rp[
}; RS~oSoAE
#endif I /g]9
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////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file R<-KXT9
#include "stdafx.h" v|6fqG+Q\
#include "Capture.h" I$$!YMm.N
#include "CaptureDlg.h" C$8=HM3
#include <windowsx.h> e
6*=Si}V
#pragma comment(lib,"hook.lib") S:gP\Atf>
#ifdef _DEBUG # V+e
#define new DEBUG_NEW !SnpesTn
#undef THIS_FILE 8Ex0[e
static char THIS_FILE[] = __FILE__; ",a
fv{C
#endif PyYe>a;.
#define IDM_SHELL WM_USER+1 @y +Wl*:
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); H,'c&
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); 2.yzR DfZ
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; U/>5C:
class CAboutDlg : public CDialog
l}JVRU{
{ RaAq>B
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public: pS0T>r
CAboutDlg(); JmkJ^-A 6
// Dialog Data d=[.
//{{AFX_DATA(CAboutDlg) gIeo7>u
enum { IDD = IDD_ABOUTBOX }; [eImP
V]
//}}AFX_DATA \gdd
// ClassWizard generated virtual function overrides VrpYBU
//{{AFX_VIRTUAL(CAboutDlg) BtspnVBez
protected: 3iB8QO;pp
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support Nbr{)h
//}}AFX_VIRTUAL <T['J]k%
// Implementation Ks4TBi&J
protected: m35G;
//{{AFX_MSG(CAboutDlg) ZP1EO Z
//}}AFX_MSG V%))%?3x_
DECLARE_MESSAGE_MAP() @B+];lr/-
}; rVLA"x 9u
/Mv'fich(
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
m{~r6@
{ Js'|N%pi
//{{AFX_DATA_INIT(CAboutDlg) >QYxX<W
//}}AFX_DATA_INIT @I%m}>4Jm
} :M Md@
bkb}M)C
void CAboutDlg::DoDataExchange(CDataExchange* pDX) {+!_; zzZ
{ PqfH}d0l
CDialog::DoDataExchange(pDX); ^pn:SV
//{{AFX_DATA_MAP(CAboutDlg) gbvBgOp
//}}AFX_DATA_MAP t^q/'9Ai&J
} il:""x7^y
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BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) qFay]V(O|
//{{AFX_MSG_MAP(CAboutDlg) &kP>qTI^p~
// No message handlers h<?Vzl
//}}AFX_MSG_MAP kHJjdgV
END_MESSAGE_MAP() i+OyBDkJM!
Q?~l=}2
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) ~!@a
: CDialog(CCaptureDlg::IDD, pParent) fSj^/>
{ f.!cR3XgV
//{{AFX_DATA_INIT(CCaptureDlg) 0'gJSrgNI
m_bControl = FALSE; )9}z^+TH
m_bAlt = FALSE; }RXm=ArN
m_bShift = FALSE; wDn5|F}i&
m_Path = _T("c:\\"); "F=O
m_Number = _T("0 picture captured."); zDX-}t_'q
nCount=0; m$]?Jq
bRegistered=FALSE; XWkYhTaY
bTray=FALSE; HR4^+x
//}}AFX_DATA_INIT <|v]9`'
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 YS/4<QA[
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); w!61k \
} /MA4Er r
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void CCaptureDlg::DoDataExchange(CDataExchange* pDX) g1Aq;Ah /
{ `Do-!G+W
CDialog::DoDataExchange(pDX); -q[?,h
//{{AFX_DATA_MAP(CCaptureDlg) J
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DDX_Control(pDX, IDC_KEY, m_Key); bEM-^SR
DDX_Check(pDX, IDC_CONTROL, m_bControl); h9No'!'!
DDX_Check(pDX, IDC_ALT, m_bAlt); j#29L"
DDX_Check(pDX, IDC_SHIFT, m_bShift); gP`8hNwR
DDX_Text(pDX, IDC_PATH, m_Path); X[R/j*K
DDX_Text(pDX, IDC_NUMBER, m_Number); DEs/?JZG
//}}AFX_DATA_MAP >XBLm`a
} $cjidBi`):
&Prx=L`
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) Nx~8]h1(
//{{AFX_MSG_MAP(CCaptureDlg) y:xZ(RgfF
ON_WM_SYSCOMMAND() l2xM.vR
ON_WM_PAINT() r.[9/'>
ON_WM_QUERYDRAGICON() O>UR\l|+:2
ON_BN_CLICKED(ID_ABOUT, OnAbout) J@52<.>6
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) Ok9XC <Xu
ON_BN_CLICKED(ID_CHANGE, OnChange) ;asB@Q
//}}AFX_MSG_MAP >=wlS\:"
END_MESSAGE_MAP() ri6_u;Ch
TeQpmhN
BOOL CCaptureDlg::OnInitDialog() K"eW.$
{ QD<f)JZK
CDialog::OnInitDialog(); /mmCqP
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); |[8&5[);
ASSERT(IDM_ABOUTBOX < 0xF000); IG
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CMenu* pSysMenu = GetSystemMenu(FALSE); k\A8Z[
if (pSysMenu != NULL) ]"^U
{ q* +}wP
CString strAboutMenu; G >bQlZG
strAboutMenu.LoadString(IDS_ABOUTBOX); LXrnAt
if (!strAboutMenu.IsEmpty()) >a[)F
{ fs\l*nBig
pSysMenu->AppendMenu(MF_SEPARATOR); +[ !K
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); LyH{{+V
} -|T.APxB
} SO9j/
SetIcon(m_hIcon, TRUE); // Set big icon FgLV>#)-
SetIcon(m_hIcon, FALSE); // Set small icon 2]hQ56Yv3
m_Key.SetCurSel(0); 1Jt5|'tl
RegisterHotkey(); _dj_+<Y?
CMenu* pMenu=GetSystemMenu(FALSE); Tmqtj
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); `|[Q]+Mx
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); u`3J2,.
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); h49|x&03
return TRUE; // return TRUE unless you set the focus to a control 3 cu`U`
} M#UW#+*g!
lo Oh }y+
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) $)mK]57
{ eVS6#R]'m
if ((nID & 0xFFF0) == IDM_ABOUTBOX) 2/3,%5j_
{ uL`;KD
CAboutDlg dlgAbout; b|P[\9
dlgAbout.DoModal(); ,dP-sD;<
} >:WnCkbp
else |\Nu+w
{ !ffdeWHR
CDialog::OnSysCommand(nID, lParam); {%*,KB>b
} ,E<(K8
} R_`i=>Z-
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void CCaptureDlg::OnPaint() 8HDYA$L
{ (
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if (IsIconic()) }KcvNK (
{ \9N1:
CPaintDC dc(this); // device context for painting Z_Qs^e$
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); FWNWOU
// Center icon in client rectangle 07`hQn)Gc
int cxIcon = GetSystemMetrics(SM_CXICON); &Ba` 3V\M
int cyIcon = GetSystemMetrics(SM_CYICON); f%<kcM2
CRect rect; PRg^E4
GetClientRect(&rect); JHC 6l
int x = (rect.Width() - cxIcon + 1) / 2; J'jwRn
int y = (rect.Height() - cyIcon + 1) / 2; BIqZg$
// Draw the icon TCWy^8LA
dc.DrawIcon(x, y, m_hIcon); F
jsnFX;
} 0Z$=2c?xT
else K-vG5t0$\/
{ fMgB!y"Em
CDialog::OnPaint(); -^yb[b,
} ya.!zGH
} *mwHuGbZed
d e)7_pCF|
HCURSOR CCaptureDlg::OnQueryDragIcon() K Rs
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{ 4>x]v!d
return (HCURSOR) m_hIcon; OeLM*Zi
} E{'{fo!#)
'#pY/,hVB
void CCaptureDlg::OnCancel() Myaj81
{ Ws$<B
b
if(bTray) 7L)edR[
DeleteIcon(); Oh)s"f\N
CDialog::OnCancel(); (xxNQ]
l-(
} R9bsl.e
dnRbt{`jP
void CCaptureDlg::OnAbout() HGM ?
?=
{ sxc^n
aK0
CAboutDlg dlg; nE;^xMOK!
dlg.DoModal(); IdTatE|^
} qmQ}
vMG >Xb
void CCaptureDlg::OnBrowse() %c:v70*h=
{ [&y