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:
!xR9I0V5
+kYp!00 一、实现方法
F::Ki4{jJ rL"]m_FK 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:
2%R.~9HtA [efU)O& #pragma data_seg("shareddata")
b?iPQ$NyQ HHOOK hHook =NULL; //钩子句柄
DDGDj)=` UINT nHookCount =0; //挂接的程序数目
b,+KXx static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
zT&"rcT"> static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
e
}C,) static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
*@#Gc%mGu static int KeyCount =0;
EFVZAY"+!; static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
ETU-6qFtO #pragma data_seg()
K{DmMi];I !=,zy 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
] WYub1 >/4[OPB0R DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
t~K[`=G\ex 5ta;C G BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
'do2n/ cKey,UCHAR cMask)
Uq'W<.v5 {
S{e3aqT#N BOOL bAdded=FALSE;
9<3}zwJ for(int index=0;index<MAX_KEY;index++){
dg#Pb@7a if(hCallWnd[index]==0){
iZnLgkk@ hCallWnd[index]=hWnd;
JSju4TQ4 HotKey[index]=cKey;
Gchs$^1`t HotKeyMask[index]=cMask;
;Krs*3
s bAdded=TRUE;
&W<9#RPK' KeyCount++;
RZ{O6~VH break;
Lks+FW }
v07A3oj }
pl@K"PRE return bAdded;
G?,3Zn0 }
?d?.&nt //删除热键
.J @mpJdY BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
~ PyS;L} {
#U%HGTE0 BOOL bRemoved=FALSE;
.kuNn-$ for(int index=0;index<MAX_KEY;index++){
ALF21e*n if(hCallWnd[index]==hWnd){
k.54lNl if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
U%@C<o
" hCallWnd[index]=NULL;
N3#^Ifn[ HotKey[index]=0;
3D@3jyo: HotKeyMask[index]=0;
5p~5-_JX bRemoved=TRUE;
p JF
9Z KeyCount--;
eA]8M^ break;
@,,G]4zZ! }
xWY\,'+Q }
kGnT4R*E }
q#8\BOTP | return bRemoved;
L |#0CRiN }
(m!kg uc"%uc' q~aj"GD DLL中的钩子函数如下:
}L|B@fW ; (}~m&p LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
lAo ~w {
7O|`\&RYR BOOL bProcessed=FALSE;
Q
-$)
H;, if(HC_ACTION==nCode)
f &NX~( {
MRo_An+ if((lParam&0xc0000000)==0xc0000000){// 有键松开
~cO iv switch(wParam)
vdUKIP
=|_ {
`IBNBJy case VK_MENU:
5cA:;{z];g MaskBits&=~ALTBIT;
v]Pyz<+ break;
k_u!E3{~ case VK_CONTROL:
7uw-1F5x7 MaskBits&=~CTRLBIT;
)n9,?F#l break;
KfVsnL_ case VK_SHIFT:
DEkv,e MaskBits&=~SHIFTBIT;
havmhS)O break;
G{X7;j e default: //judge the key and send message
C]JK'K<7- break;
Zz:%KUl3 }
M/[_~ for(int index=0;index<MAX_KEY;index++){
~AaEa,LQ if(hCallWnd[index]==NULL)
?ZC!E0] continue;
Ug0c0z!b if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
,{(XT7hr {
{*8G<& SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
e#}Fm;|d bProcessed=TRUE;
-\%5aXr }
(4q/LuP^d }
\@h$|nb }
nLk`W"irM else if((lParam&0xc000ffff)==1){ //有键按下
*a|575e< z switch(wParam)
`w4'DB-R) {
U8>4Cl J4 case VK_MENU:
K9 }Brhe MaskBits|=ALTBIT;
[P~7kNFOh break;
UB>BVBCt case VK_CONTROL:
6Xo "?f MaskBits|=CTRLBIT;
1K|F;p break;
x{ `{j' case VK_SHIFT:
ppLLX1S MaskBits|=SHIFTBIT;
M?P\ YAn$ break;
lJfk4 -;M default: //judge the key and send message
*a8 <cf break;
iYYuZ. }
,1CmB@ for(int index=0;index<MAX_KEY;index++){
b$nev[`{6 if(hCallWnd[index]==NULL)
2-UD^;0 continue;
$g VbeQ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
>;j&]]-& {
H~fF;
I SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
qG~6YCqii bProcessed=TRUE;
6q`)%"4k }
8n2;47 a }
_ 3>E+9TQ }
Q qj9o2 if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
>e-0A for(int index=0;index<MAX_KEY;index++){
w3b?i89 if(hCallWnd[index]==NULL)
y}={S,z%22 continue;
ZO<\rX ( if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
!or_CJ8% SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
g__s(
IJ //lParam的意义可看MSDN中WM_KEYDOWN部分
dOaCdnd~ }
jbT{K|d- }
6v%ePFul }
]^wr+9zd return CallNextHookEx( hHook, nCode, wParam, lParam );
6#jql }
%B1TN#KoT mv,a>Cvs[ 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
[x=(:soEqC LN$T.r+ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
xf7YIhL^* BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
tV pXA'"!x X+u1p? 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:
=\)zb '\=d };P=|t(r LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
rxy5Nrue {
"dOQ)<; if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
d2U?rw_ {
/ET+`=n //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
LH_U#P`E SaveBmp();
?< yYm;B return FALSE;
8vR'<_>Q }
z9
#- …… //其它处理及默认处理
<ycR/X }
o F_{oV' k5Q1.;fW76 jxhZOLG 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。
}?6;;d# j5/|1N 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。
;iJxJX\+ >mMfZvxl% 二、编程步骤
Vom,^`} VhMVoW 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. \3K7)o^ 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
1BEc" C+`V?rp=s 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;
H{9P=l g6.I~oQj 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;
;:R2 P@6f ?-9uf\2_ 5、 添加代码,编译运行程序。
;0?OBUDO o>yXEg 三、程序代码
MwQt/Qv= d,
?GW ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
# SJJ@SM #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
?Oy0p8 #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
cCx{
") #if _MSC_VER > 1000
,-(D(J;}1 #pragma once
rADzJ#CU\ #endif // _MSC_VER > 1000
w0H#M)c #ifndef __AFXWIN_H__
LIz'hfS! #error include 'stdafx.h' before including this file for PCH
Kf$(7FT'` #endif
L5|g\Y` #include "resource.h" // main symbols
r>*+d|c4 class CHookApp : public CWinApp
HmU6:8V
*Z {
#D{Eq8dp public:
+`V<&
Y-5l CHookApp();
'+g[n // Overrides
6
A#xFPYY{ // ClassWizard generated virtual function overrides
suLC7x`Z //{{AFX_VIRTUAL(CHookApp)
FQ47j)p; public:
bBo>Y7% virtual BOOL InitInstance();
BOy&3.h5? virtual int ExitInstance();
;qWSfCt/^ //}}AFX_VIRTUAL
tgl 4pAc //{{AFX_MSG(CHookApp)
k w
// NOTE - the ClassWizard will add and remove member functions here.
x7i<dg& // DO NOT EDIT what you see in these blocks of generated code !
BE~-0g$W //}}AFX_MSG
_]D
6m2R DECLARE_MESSAGE_MAP()
R(P(G;#j };
0sme0"Sl LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
#QSSpsF@ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
Sx0{]1J BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
yn<J>e BOOL InitHotkey();
j]R[;8g BOOL UnInit();
TVSCjI #endif
BYa#<jXtAT a+~b3 //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
$o$WFV+h #include "stdafx.h"
/<k5"C%z #include "hook.h"
%Kp^wf#o9 #include <windowsx.h>
VUHf-bKl #ifdef _DEBUG
E
GZiWBr #define new DEBUG_NEW
7#9%,6Yi #undef THIS_FILE
$T7 qd
static char THIS_FILE[] = __FILE__;
Nvh&=%{g #endif
>w.%KVBJ #define MAX_KEY 100
Z6Kp-z(l3 #define CTRLBIT 0x04
@B(E&
#define ALTBIT 0x02
F:Ps> #define SHIFTBIT 0x01
L=C#E0{i #pragma data_seg("shareddata")
:!?Fq/! HHOOK hHook =NULL;
t6\--lk_ UINT nHookCount =0;
#mK?:O\-1 static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
Gui[/iY,F static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
uf (_<~ static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
hJk:&!M=T static int KeyCount =0;
%4YSuZg static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
Vw`Q:qo0:b #pragma data_seg()
-XwS?*O HINSTANCE hins;
%,ScGQE void VerifyWindow();
E m +&I BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
Rxlv: //{{AFX_MSG_MAP(CHookApp)
+`ov1h // NOTE - the ClassWizard will add and remove mapping macros here.
SK 5]7C2 // DO NOT EDIT what you see in these blocks of generated code!
|m@>AbR5dk //}}AFX_MSG_MAP
+StsSZ END_MESSAGE_MAP()
8?: 2< +|5 O b CHookApp::CHookApp()
D+~*nc ~
g {
e5 zi "~ // TODO: add construction code here,
V*Xr}FE // Place all significant initialization in InitInstance
)"6"g9A }
v.u 5% e+VE FWz CHookApp theApp;
C>,> _ LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
! R3P@,j {
|Sua4~yL( BOOL bProcessed=FALSE;
=#<bB)59 if(HC_ACTION==nCode)
y"U)&1 c% {
CY[3%7fv if((lParam&0xc0000000)==0xc0000000){// Key up
mh SknyqT switch(wParam)
dZb;`DjTH {
5dD8s-;^T case VK_MENU:
/<(-lbq, MaskBits&=~ALTBIT;
KHJ wCv break;
C=cn.CX case VK_CONTROL:
VhAJ1[k4! MaskBits&=~CTRLBIT;
pQC|_T#u break;
s| Q1;%Tj case VK_SHIFT:
*n[B Bz MaskBits&=~SHIFTBIT;
7^LCP* break;
CQrP%}`r default: //judge the key and send message
_p'@.P break;
-"H0Qafm }
19!;0fe= for(int index=0;index<MAX_KEY;index++){
X(3| (1;sV if(hCallWnd[index]==NULL)
Y>
}\'$\b continue;
EIyFGCw|U if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
uZ>q$
F {
gMkSl8[ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
0G33hIOS bProcessed=TRUE;
M_2>b:#A* }
"Ehh9 m1& }
KtH^k&z.f }
zpeCT3Q5O else if((lParam&0xc000ffff)==1){ //Key down
d~h;|Bl[ switch(wParam)
u=vBjaN2_w {
gG}H5uN case VK_MENU:
E'(nJ MaskBits|=ALTBIT;
ZU+_nWnl break;
p|dn&<kd case VK_CONTROL:
Hz==,NR-W MaskBits|=CTRLBIT;
#:/27 break;
FH$q,BI!R case VK_SHIFT:
_G'A]O/BZD MaskBits|=SHIFTBIT;
6KXW]a ` break;
c14d0x{ default: //judge the key and send message
B
I3fk break;
<hTHY E= }
r3-<~k- for(int index=0;index<MAX_KEY;index++)
PB5h5eX {
.]JIo&>5 if(hCallWnd[index]==NULL)
H270)Cwn+ continue;
k*\)z\f if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
4gNN " {
J]{<Z?% SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
z,2*3Be6V bProcessed=TRUE;
-o{ x
;:4 }
) jvI Nb }
=NI?Jk*iAq }
1,Mm+_)B if(!bProcessed){
hiA\~}sl n for(int index=0;index<MAX_KEY;index++){
UL>2gl4s/ if(hCallWnd[index]==NULL)
>w,jaQ continue;
M+HhTW;I= if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
XuHR SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
Wi>m}^}9 }
v-q-CI?B# }
6akI5\b }
"19#{yX4 return CallNextHookEx( hHook, nCode, wParam, lParam );
*FZav2]- }
4#]g852 8~s0%%{,M BOOL InitHotkey()
d,Oagx {
WVOj;c if(hHook!=NULL){
%iEdU V\$ nHookCount++;
]7yxXg return TRUE;
3(,m(+J[S }
tY!l}:E[ else
udBIEW,` hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
J[hmY= , if(hHook!=NULL)
'g'RXC}D> nHookCount++;
c_M[>#` return (hHook!=NULL);
jWi~Q o+ }
BmccSC;o4 BOOL UnInit()
:
xggo {
"e8EA!Ipte if(nHookCount>1){
qBh@^GxY), nHookCount--;
oSkQ/5hg. return TRUE;
-1v9 }
&ni#( BOOL unhooked = UnhookWindowsHookEx(hHook);
6DK).|@$r if(unhooked==TRUE){
UntFkoO nHookCount=0;
Q@>1z*'I hHook=NULL;
C<I?4WM }
cg17e return unhooked;
d^!k{Qx' }
?~t5>PEonv !k*B-@F BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
e!gNd>b { {
_X;,,VEV! BOOL bAdded=FALSE;
Kl%[f jI) for(int index=0;index<MAX_KEY;index++){
wCR! bZ w if(hCallWnd[index]==0){
ecoI-@CAI hCallWnd[index]=hWnd;
T#E$sZ HotKey[index]=cKey;
YGLq~A HotKeyMask[index]=cMask;
v~T)g"_| bAdded=TRUE;
/ Wjc\n$' KeyCount++;
<2&qIvHL break;
&B[*L+-E }
DrV[1Z }
}zsIp, return bAdded;
.
_|=Btoo }
L8f+uI FA)ot)] BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
0Ui_Trlc {
ecJjE
56P BOOL bRemoved=FALSE;
X1a~l|$h for(int index=0;index<MAX_KEY;index++){
CrL9|78 if(hCallWnd[index]==hWnd){
]BbV\# if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
?QJx!'Y,p hCallWnd[index]=NULL;
kc P ZIP: HotKey[index]=0;
W)/f5[L HotKeyMask[index]=0;
e@0|fB%2 bRemoved=TRUE;
knG:6tQ KeyCount--;
O TlqJ break;
1+N'cB!y }
i7r)9^y }
@-\=`#C** }
'iZwM>l\ return bRemoved;
[ij) k@. }
\ moLQ {nUmlP=mS void VerifyWindow()
U+ik& R# {
xt pY* for(int i=0;i<MAX_KEY;i++){
1v.#ndk if(hCallWnd
!=NULL){ Fs $FR-x
if(!IsWindow(hCallWnd)){ |gP) lR
hCallWnd=NULL; *P/A&"i[E
HotKey=0; l9=Ka{$^*
HotKeyMask=0; ;w"h n*
KeyCount--; tugIOA
} -bOtF%
} CkNR{?S
} yx-"&K=`
} H%U
t`|Rn9-
BOOL CHookApp::InitInstance() @YH>|{S&
{ #TR!x,Hc
AFX_MANAGE_STATE(AfxGetStaticModuleState()); *K$a;2WjzG
hins=AfxGetInstanceHandle(); qg`ae
InitHotkey(); bF_0',W
return CWinApp::InitInstance(); $poIWJM c
} OhCdBO
m)pHCS
int CHookApp::ExitInstance() +[uh);vD`G
{ 1
Vt,5o5
VerifyWindow(); >W-xDzJry
UnInit(); 3I( n];
return CWinApp::ExitInstance(); juWXB+d2Y
} p qpsa'
?#: ']q
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file vvxD}p=y
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) Lv/}&'\(
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ u;rmqo1
#if _MSC_VER > 1000 5~DKx7P!Z
#pragma once L3wj vq^
#endif // _MSC_VER > 1000 8WP"~Js!
^K1mh9O
class CCaptureDlg : public CDialog 27c0wzq
{ wk8fa
// Construction kjV>\e
public: VgYy7\?p
BOOL bTray; {[Ri:^nHgL
BOOL bRegistered; T?!SEblP]
BOOL RegisterHotkey(); l6w\E=K
UCHAR cKey; e#h&Xa
UCHAR cMask; P(7el
void DeleteIcon(); Qfy_@w]
void AddIcon(); Ji!i}UjD7!
UINT nCount; i_AD3Jrs
void SaveBmp(); i>h3UIx\
CCaptureDlg(CWnd* pParent = NULL); // standard constructor O*?^a7Z)4
// Dialog Data gTTKjlI[
//{{AFX_DATA(CCaptureDlg) R,PN?aj
enum { IDD = IDD_CAPTURE_DIALOG }; 3-:^mRPJ
CComboBox m_Key; t/O^7)%
BOOL m_bControl; ?;P6#ByR
BOOL m_bAlt; We}9'X}
BOOL m_bShift; }DjVZ48
CString m_Path; oowofi(E
CString m_Number; {%>~
]9E
//}}AFX_DATA
=
E_i
// ClassWizard generated virtual function overrides Y]`=cR`/"
//{{AFX_VIRTUAL(CCaptureDlg) XZ@+aG_%q
public: _('
@'r
virtual BOOL PreTranslateMessage(MSG* pMsg); .@nfqv7{
protected: zFO0l).
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support PZV>A!7C8n
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); <HRPloVKo
//}}AFX_VIRTUAL ,{q#U3
// Implementation 0.R3(O
protected: &XCd2
HICON m_hIcon; Jf7H;ZM<
// Generated message map functions U
^O4HJ
//{{AFX_MSG(CCaptureDlg) 2Q@na@s
virtual BOOL OnInitDialog(); iExKi1knx
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); dba_(I~y
afx_msg void OnPaint(); MYara;k
afx_msg HCURSOR OnQueryDragIcon(); 420K6[
virtual void OnCancel(); vD9.X}l]
afx_msg void OnAbout(); |/l] ]+
afx_msg void OnBrowse(); By7lSbj
afx_msg void OnChange(); p.(+L^-=
//}}AFX_MSG 0H +nVR
DECLARE_MESSAGE_MAP() Rh"O$K~
}; _$IWr)8f
#endif zB+e;x f |
)3e_Hs+
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file oupWzjo
#include "stdafx.h" yxpv;v:)=
#include "Capture.h" 5,f`5'$
#include "CaptureDlg.h" o!+'<IQ'
#include <windowsx.h> !fAvxR
#pragma comment(lib,"hook.lib") + XBF,<P
#ifdef _DEBUG A ?V-Sz#
#define new DEBUG_NEW v
))`U,Gm
#undef THIS_FILE {RI^zNgs[
static char THIS_FILE[] = __FILE__; -;"A\2_y
#endif N@<-R<s^
#define IDM_SHELL WM_USER+1 ;2g.X(Ra
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); Il@K8?H@
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); >ZPu$=[W
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; [Nm?qY
class CAboutDlg : public CDialog 4x+[?fw
{ kkHK~(>G
public: [vb#W!M&|
CAboutDlg(); &${| o@
// Dialog Data o?M ;f\Fy
//{{AFX_DATA(CAboutDlg) ;t9_*)[
enum { IDD = IDD_ABOUTBOX }; Y}.f&rLe
//}}AFX_DATA 4j'rbbs/
// ClassWizard generated virtual function overrides AdDR<IW
//{{AFX_VIRTUAL(CAboutDlg) }I}GA:~$%
protected: [N4N7yF
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support 8o,0='U
//}}AFX_VIRTUAL h0~<(3zC
// Implementation rf+}J_
protected: S\I+UeFkf
//{{AFX_MSG(CAboutDlg) 4PS|
//}}AFX_MSG p</t##]3ks
DECLARE_MESSAGE_MAP() 8kU(>' ^_:
}; l>
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CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) n9&fH
{ [=cbzmX[
//{{AFX_DATA_INIT(CAboutDlg) &*O'qOO<2
//}}AFX_DATA_INIT GcO:!b*YMp
} oM@%2M_O(
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void CAboutDlg::DoDataExchange(CDataExchange* pDX) RJDk7{(
{ A-myY30
CDialog::DoDataExchange(pDX); $d-yG553
//{{AFX_DATA_MAP(CAboutDlg) v?3xWXX,
//}}AFX_DATA_MAP o\Fv~^
} 6A>bm{`c:
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BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) uInI{>
//{{AFX_MSG_MAP(CAboutDlg) (?,jnnub
// No message handlers ESIJ QM-[+
//}}AFX_MSG_MAP _f>)G3p
END_MESSAGE_MAP() .@;5"
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CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) 751Qi
: CDialog(CCaptureDlg::IDD, pParent) qycf;Kl:6
{ nZNS}|6
//{{AFX_DATA_INIT(CCaptureDlg) tNZZCdB
m_bControl = FALSE; <Mo{o2F=
m_bAlt = FALSE; 8VG~n?y
m_bShift = FALSE; G;/>
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m_Path = _T("c:\\"); +[i r7?Y.
m_Number = _T("0 picture captured."); 5HbJE'
nCount=0; +B+cN[d
bRegistered=FALSE; O<>+l*bk
bTray=FALSE; I}y6ke!
//}}AFX_DATA_INIT W!9~bBF',
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 8>vNa
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); {uZ|Oog(p
} 5\JV }
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void CCaptureDlg::DoDataExchange(CDataExchange* pDX) "k"+qR`fH
{ /s(PFN8#Y
CDialog::DoDataExchange(pDX); n2c(x\DA&
//{{AFX_DATA_MAP(CCaptureDlg) d= vD Pf
DDX_Control(pDX, IDC_KEY, m_Key); v=dN$B5y3
DDX_Check(pDX, IDC_CONTROL, m_bControl); q:jv9eL.O
DDX_Check(pDX, IDC_ALT, m_bAlt); lQ[JA[
DDX_Check(pDX, IDC_SHIFT, m_bShift); K'"s9b8
DDX_Text(pDX, IDC_PATH, m_Path); 6b` Jq>v
DDX_Text(pDX, IDC_NUMBER, m_Number); =7: }/&
//}}AFX_DATA_MAP 6oq^n
s-
} NX;{L#lQ
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BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) SZ4@GK
//{{AFX_MSG_MAP(CCaptureDlg) ,@N.v?p>
ON_WM_SYSCOMMAND() ojj
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ON_WM_PAINT() ]5ibg"{S
ON_WM_QUERYDRAGICON() T# tFzbr
ON_BN_CLICKED(ID_ABOUT, OnAbout) /d}5R@Oy
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) 0&&P+adk
ON_BN_CLICKED(ID_CHANGE, OnChange) drwxrZt
//}}AFX_MSG_MAP [%Dh0hOg
END_MESSAGE_MAP() Bz:Hp{7&
d|UH AX
BOOL CCaptureDlg::OnInitDialog() ,gkWksl9
{ U&$I!80.
CDialog::OnInitDialog(); <A\g*ld
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); JiA1yt
ASSERT(IDM_ABOUTBOX < 0xF000); >:
@\SU
CMenu* pSysMenu = GetSystemMenu(FALSE); kY4h-oZ
if (pSysMenu != NULL) l`j@QP
{ >E,/|K*
CString strAboutMenu; n|QA\,=
strAboutMenu.LoadString(IDS_ABOUTBOX); Cf<TDjU`|
if (!strAboutMenu.IsEmpty()) xw1,Wbu]
{ EW)r/Av:,
pSysMenu->AppendMenu(MF_SEPARATOR); kAxJ#RG
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); OWYY2&.h
} dj 6Lf
} 4h}\Kl
SetIcon(m_hIcon, TRUE); // Set big icon IL*MB;0>
SetIcon(m_hIcon, FALSE); // Set small icon J04R,B
m_Key.SetCurSel(0); \naG
RegisterHotkey(); 6,R<8a;Wn
CMenu* pMenu=GetSystemMenu(FALSE); >Ij#+=
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); l,b_'
m@
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); qX[C%
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); +$^[r
return TRUE; // return TRUE unless you set the focus to a control [R~@#I P!
} M&/e*Ta5
k5)IBO
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) 3VQmo\li
{ oye/tEMG
if ((nID & 0xFFF0) == IDM_ABOUTBOX) +fMW B
{ Jx4~ o{Z}c
CAboutDlg dlgAbout; 7:.!R^5H
dlgAbout.DoModal(); ;:)u
rI?
} |IWm:[H3
else \/y&l\ k)
{ %+
MYg^
CDialog::OnSysCommand(nID, lParam); |ew:}e: k<
} " M&zW&
} {N-*eV9#
:3}K$
void CCaptureDlg::OnPaint() R*vfp?x
{ b0/[+OY
if (IsIconic()) =D 5!Xq'|
{ Zk gj_
CPaintDC dc(this); // device context for painting ].gC9@C:$i
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); pl 1CEoe
// Center icon in client rectangle +k
int cxIcon = GetSystemMetrics(SM_CXICON); 7H[.o~\
int cyIcon = GetSystemMetrics(SM_CYICON); 6SSrkj }U
CRect rect; ?Y$3R"p@3`
GetClientRect(&rect); /q`f3OV"
int x = (rect.Width() - cxIcon + 1) / 2; ia-&?
int y = (rect.Height() - cyIcon + 1) / 2; ,=}+.ax
// Draw the icon wqXo]dX
dc.DrawIcon(x, y, m_hIcon); baf@"P9@\A
} V Z60
else 6lxZo_
{ Fi+,omB&
CDialog::OnPaint(); E{}eYU
} gLg\W3TOi
} g aXF3v*j
p*Hf<)}
HCURSOR CCaptureDlg::OnQueryDragIcon() C2J@] &