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:
$ uqB.f$
67T=ku 一、实现方法
#9CLIYJAd {W$K@vuV;? 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:
,'&H`h54 (qdvvu#E #pragma data_seg("shareddata")
LGT?/gup HHOOK hHook =NULL; //钩子句柄
5dkXDta[G UINT nHookCount =0; //挂接的程序数目
XN}^:j_2 static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
8ib%CYR static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
MkX=34oc^ static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
V?&P).5) static int KeyCount =0;
g[$4a4X static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
&AP`k
#pragma data_seg()
Zgt(zh_l TeNPuY~WP 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
Q?/qQ}nNw jj6yf.r6c DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
lGpci _kT{W] BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
@^Yr=d ba cKey,UCHAR cMask)
\@m^w"Ij {
3 @%XR8ss BOOL bAdded=FALSE;
<d~si^*\ch for(int index=0;index<MAX_KEY;index++){
?tx."MZ if(hCallWnd[index]==0){
{3!E8~ hCallWnd[index]=hWnd;
t[o_!fmxZ HotKey[index]=cKey;
a6!|#rt HotKeyMask[index]=cMask;
t4Pi <m:7 bAdded=TRUE;
e\r%"~v KeyCount++;
?@CbaX~+K break;
P(cy@P,D }
)W*A[c
2 }
p((a(Q/ return bAdded;
-_ <z_IL\% }
y3OF+;E //删除热键
vp(ow]Q BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
Eo>EK> {
v-DZW, BOOL bRemoved=FALSE;
Fs&r^ [/b for(int index=0;index<MAX_KEY;index++){
XeX`h_ if(hCallWnd[index]==hWnd){
d
r$E:kr if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
Dvm[W),(k hCallWnd[index]=NULL;
'8=/v*j>? HotKey[index]=0;
:*Y2na)qQ HotKeyMask[index]=0;
+
f,Kt9Cy bRemoved=TRUE;
kxmc2RH>nB KeyCount--;
lRR A2Kql break;
<nc6&+ }
Y`rli }
tmi)LRF
H }
u(i=-PN_< return bRemoved;
qyP={E9A }
v1z
d[jqk %rJ'DPs Q2[;H!" DLL中的钩子函数如下:
yt<h!k$ _P 9;NXzO27 LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
0ZJj5<U {
**JBZ \' BOOL bProcessed=FALSE;
sO{TGk]* if(HC_ACTION==nCode)
VS@e[, {
%~L"TK`? if((lParam&0xc0000000)==0xc0000000){// 有键松开
yMXf&$C switch(wParam)
wSi$.C2 {
|Wr$5r case VK_MENU:
f+1@mGt MaskBits&=~ALTBIT;
?AK`M #M break;
N-W>tng_x case VK_CONTROL:
H$.K
MaskBits&=~CTRLBIT;
LGK@taw^ break;
_!,Ees=b case VK_SHIFT:
@qEUp7W.? MaskBits&=~SHIFTBIT;
rn/~W[ break;
bEln.) default: //judge the key and send message
o59b#9 break;
i` Q&5KL }
-e"A)Bpl( for(int index=0;index<MAX_KEY;index++){
:kFPPx? if(hCallWnd[index]==NULL)
1)5$,+~lL continue;
tAsap}( if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
3g3f87[ {
W/g_XQ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
:W;eW%Y bProcessed=TRUE;
;Y0M]pC }
xpc{#/Nk }
'q?Y5@s }
voQJ!h1 else if((lParam&0xc000ffff)==1){ //有键按下
E^A S65%bL switch(wParam)
Lv#0-+]$Bt {
fUr%@&~l^ case VK_MENU:
<@P. 'rE MaskBits|=ALTBIT;
[+Fajo;0 break;
F?[1m2 case VK_CONTROL:
)F Nn MaskBits|=CTRLBIT;
CK1A$$gnz break;
uehu\umt= case VK_SHIFT:
HLOrDlj7 MaskBits|=SHIFTBIT;
f;AI4:#I break;
"$pbK: default: //judge the key and send message
`][vaLd`Q break;
h,n}=g+? }
.+kg1=s for(int index=0;index<MAX_KEY;index++){
Wf^sl if(hCallWnd[index]==NULL)
`mA;1S continue;
]6M,s0 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
p]ujip {
(;&}\OX6nm SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
QO^V@"N bProcessed=TRUE;
lX.-qCV"B }
Bal e_s^ }
3!$+N\ #w }
b3F KDm[ if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
< Sgc6>) for(int index=0;index<MAX_KEY;index++){
&>]U c%JK if(hCallWnd[index]==NULL)
%P D}VF/Y continue;
UI"UBZZ$ if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
2gh=0%|\gx SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
dr c-5{M //lParam的意义可看MSDN中WM_KEYDOWN部分
TW!OE"B }
;!G#Y
Oe }
3n)$\aBE }
j1A%LS;c_ return CallNextHookEx( hHook, nCode, wParam, lParam );
r-go921 }
6<T:B[a- Il Qk W< 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
J]#rh5um Z,O*p,Gzn BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
FzcXSKHV% BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
zyhM*eM.7 ]A5Y/dd 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
>KL=(3:":p L9N}lH LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
n}_}#(a {
2Z%n
"z68 if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
-gm5Eqi {
-fXQ62:S //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
1ANFhl(l SaveBmp();
y*ZA{ return FALSE;
:"MHmm=uU8 }
fgeh;cD …… //其它处理及默认处理
ti (Hx }
57EX#:a Le:C8^ [^s;Ggi9 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
H`'a|Y w7.,ch 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
1Acs0`3 #>("(euXMF 二、编程步骤
f}"eN/T 3>^]r jFw 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
2|=hF9
,h*N9}xYTi 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
rJkJ/9s :\JCxS=EW 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
\
a,}1FS ZnRT$ l 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;
*Z^`H!& A&)2m 5、 添加代码,编译运行程序。
cM3B5Lp Q"C*j'n 三、程序代码
{0w2K82 f)j*P<V ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
@fYVlHT%E #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
r
dSL #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
Y(bB7tR #if _MSC_VER > 1000
r'j88)^ #pragma once
2H}y1bkW #endif // _MSC_VER > 1000
Vj 9X6u}{ #ifndef __AFXWIN_H__
^!\AT!OT #error include 'stdafx.h' before including this file for PCH
JPAjOcmU/ #endif
g i6s+2 #include "resource.h" // main symbols
L7;~4_M9.V class CHookApp : public CWinApp
S'8+jY {
+^+'.xQ public:
\c4jGJ CHookApp();
Q5T3 // Overrides
d\nXK#)Q // ClassWizard generated virtual function overrides
OPDT:e86Y= //{{AFX_VIRTUAL(CHookApp)
zmGHI!tP public:
n|)((W virtual BOOL InitInstance();
%K4M`R|2] virtual int ExitInstance();
R|$AcNp //}}AFX_VIRTUAL
p|.5;)%| //{{AFX_MSG(CHookApp)
\.}T_,I // NOTE - the ClassWizard will add and remove member functions here.
XQ9W
y // DO NOT EDIT what you see in these blocks of generated code !
V%s7*`U //}}AFX_MSG
)f|`mM4DW! DECLARE_MESSAGE_MAP()
+1YEOOfVY };
W/bW=.d
Jd LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
-
[h[ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
#i@f%Bq- BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
TDDMx |{ BOOL InitHotkey();
yy=hCjQ) BOOL UnInit();
O^`EuaL #endif
0S$k;q (&Rk#i U
2 //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
NGSts\D'} #include "stdafx.h"
d/
^IL*O #include "hook.h"
M%`CzCL
u #include <windowsx.h>
/HLI9 #ifdef _DEBUG
sFz0:SqhE #define new DEBUG_NEW
DOJydYds #undef THIS_FILE
9>w~B|/ static char THIS_FILE[] = __FILE__;
3\@2!:> #endif
&Y?t #define MAX_KEY 100
B6
(\1 #define CTRLBIT 0x04
rL1yq|]I #define ALTBIT 0x02
<`uu e #define SHIFTBIT 0x01
|Q3d7y #pragma data_seg("shareddata")
&L$9Ii HHOOK hHook =NULL;
ZI!: UINT nHookCount =0;
}6%XiP| static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
r[i^tIv6As static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
9=ygkP Y static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
$ ubU" static int KeyCount =0;
I U" static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
MGm*({% #pragma data_seg()
7-K8u HINSTANCE hins;
mG\QF0h void VerifyWindow();
'G l~P><e BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
c%/b*nQ(= //{{AFX_MSG_MAP(CHookApp)
>|A,rE^Ojt // NOTE - the ClassWizard will add and remove mapping macros here.
S[3"?$3S // DO NOT EDIT what you see in these blocks of generated code!
]6^<VC`5D //}}AFX_MSG_MAP
{IJ;)<>&VE END_MESSAGE_MAP()
"u7[[.P) 49Jnp>h CHookApp::CHookApp()
=0d|F
8 {
n8<?<-2 // TODO: add construction code here,
[[IMf-] // Place all significant initialization in InitInstance
Pl/ dUt_ }
XYzaSp=bb lf7bx}P* CHookApp theApp;
F)hj\aHm k LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
\t7yH]:>@ {
RH;ulAD6(~ BOOL bProcessed=FALSE;
\s&Mz;: if(HC_ACTION==nCode)
b!@PS$BTxq {
HXa[0VOx if((lParam&0xc0000000)==0xc0000000){// Key up
]@Zv94Z( switch(wParam)
6i[Ts0H%<! {
>N Bc-DX^ case VK_MENU:
'NlhLu MaskBits&=~ALTBIT;
nU>P%|loXx break;
pNb2t/8%% case VK_CONTROL:
Sk|e#{ MaskBits&=~CTRLBIT;
HJAiQ[m5s break;
0qJ (RB case VK_SHIFT:
:>fT=$i@ MaskBits&=~SHIFTBIT;
=:s`C,l.4 break;
SUUNC06V default: //judge the key and send message
o4kLgY !Q break;
&" t~d}Rg }
<l5i%? for(int index=0;index<MAX_KEY;index++){
=tP9n ;D if(hCallWnd[index]==NULL)
nv:Qd\UM continue;
v]V N'Hs? if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
le'RU1k {
NbU`_^oC SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
=o##z5j
K bProcessed=TRUE;
jjV'`Vy) }
\s*M5oN]] }
d. vNiq,` }
e3;& else if((lParam&0xc000ffff)==1){ //Key down
%v8& switch(wParam)
v@Uk% O/ {
7{F\b case VK_MENU:
R!j # MaskBits|=ALTBIT;
OZxJDg break;
@.W; 3|~qc case VK_CONTROL:
M
5sk&> MaskBits|=CTRLBIT;
[LnPV2@e break;
Vn^GJ'^ case VK_SHIFT:
0P5VbDv$r7 MaskBits|=SHIFTBIT;
1c0'i break;
X,v.1#[ default: //judge the key and send message
U.<j2Kum break;
x
7by|G( }
z{L'7 for(int index=0;index<MAX_KEY;index++)
4{uQ}ea {
=-si|
1Z if(hCallWnd[index]==NULL)
Nbpn"*L, continue;
dBXiLrEbs if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
e3 v^j$ {
72sqt5C] SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
2o?j{K bProcessed=TRUE;
U80=f2 }
,j*9 ) }
.|O T#"LP }
/q IQE&V- if(!bProcessed){
|_TiF;^ for(int index=0;index<MAX_KEY;index++){
>
ubq{' if(hCallWnd[index]==NULL)
5b}w continue;
S&!(h
{O if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
>.Gmu SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
uBRlvNJ }
_c>ww<*3 }
Fe0M2%e;| }
*-9i<@|(U^ return CallNextHookEx( hHook, nCode, wParam, lParam );
q2EDrZ }
F=Bdgg9s r/sSkF F BOOL InitHotkey()
GI]\ {
sv=U^xI if(hHook!=NULL){
|jiIx5qr nHookCount++;
rexf#W) return TRUE;
\AwkK3 }
n2mO-ZXud else
H4y9\
- hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
^N/d`IAjv if(hHook!=NULL)
D -tRy~} nHookCount++;
K+}0:W=P return (hHook!=NULL);
V~dhTdQ5} }
[q?RJmB] BOOL UnInit()
c* ueI5i {
r%=-maPL[ if(nHookCount>1){
B"_O! nHookCount--;
2GptK"MrD return TRUE;
V;%ug'j }
cHvm BOOL unhooked = UnhookWindowsHookEx(hHook);
JUr
t%2 if(unhooked==TRUE){
\78E>(`' nHookCount=0;
qYA~Os1e hHook=NULL;
SI!A?34 }
!.6n=r8d return unhooked;
F{ %*(U }
@U_CnhPQq ef`_
n+` BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
o`iA& {
l5T[6C BOOL bAdded=FALSE;
@}4aF| for(int index=0;index<MAX_KEY;index++){
G`FYEmD if(hCallWnd[index]==0){
%LrOGr hCallWnd[index]=hWnd;
L?h?LZnq HotKey[index]=cKey;
s0iG|vw HotKeyMask[index]=cMask;
iO$87! bAdded=TRUE;
~M}{rl.n= KeyCount++;
lOt7ij(,L break;
e-rlk5k%f }
k'st^1T }
relt7 sK return bAdded;
\U$:/#1Oe }
v[Q)L!J1 i#la'ICwJ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
eUy*0 {
&[[r| BOOL bRemoved=FALSE;
Nm"P8/-09 for(int index=0;index<MAX_KEY;index++){
1sHjM% if(hCallWnd[index]==hWnd){
8s)b[Z5 if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
]CzK{-W hCallWnd[index]=NULL;
u#Ig!7iUu HotKey[index]=0;
ooVs8T2 HotKeyMask[index]=0;
9ngxkOGx bRemoved=TRUE;
T`E0_ZU; KeyCount--;
,m{R
m0 break;
uN)c!='I }
o-rX 4=T }
u+j\PWOtm }
"9_$7.q<y return bRemoved;
:IZAdlz[@ }
yh
E% X +Vk L?J void VerifyWindow()
8._uwA<[ {
-$:;en? for(int i=0;i<MAX_KEY;i++){
(,h2qP-;ud if(hCallWnd
!=NULL){
WwB_L.{
if(!IsWindow(hCallWnd)){ J1G}l5N
hCallWnd=NULL; AIg4u(j
HotKey=0; rQ.zqr
HotKeyMask=0; o-=|}u]mz
KeyCount--; f8;?WSGyD2
} G=zNZ
} vclc%ws
} =Ydrct
} >=0]7k;
B@(d5i{h
BOOL CHookApp::InitInstance() #4Z e2T|
{ D"pT?\kO
AFX_MANAGE_STATE(AfxGetStaticModuleState()); z6R|1L 1
hins=AfxGetInstanceHandle(); c]{}|2u
InitHotkey(); GURiW42
return CWinApp::InitInstance(); NF&Sv
} ~LS</_N
r
&.~
{
int CHookApp::ExitInstance() JN/=x2n.
{ 9295:Y| w1
VerifyWindow(); o-@01_j
UnInit(); F-s{#V1=
return CWinApp::ExitInstance(); ZPH_s^
} 2p&$bft
g[(@@TiG
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file .aT@'a{F
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) ?"Ez
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ ;<M}ZL@m
#if _MSC_VER > 1000 `PbY(6CF
#pragma once DO(};R%=
#endif // _MSC_VER > 1000 ~3.*b%,
qKD
class CCaptureDlg : public CDialog A&M_ J
{ _3aE]\O[
// Construction Pg8.RvmQ
public: MSmr7%g3D
BOOL bTray; .z gh,#=
BOOL bRegistered; )7
Mss/2T
BOOL RegisterHotkey(); vqN/ crJ@
UCHAR cKey; m+!.H\
UCHAR cMask; J!l/.:`6
void DeleteIcon(); N)"8CvQL
void AddIcon(); [_JdV(]$
UINT nCount; AJ}FHym_ZQ
void SaveBmp(); v/ N[)<
CCaptureDlg(CWnd* pParent = NULL); // standard constructor K80f_iT5
// Dialog Data ,,uhEoH
//{{AFX_DATA(CCaptureDlg) b,^ "-r
enum { IDD = IDD_CAPTURE_DIALOG }; TO.b-
;
CComboBox m_Key; b1?^9c#0d
BOOL m_bControl; ?(gha
BOOL m_bAlt; T#qf&Q Z
BOOL m_bShift; xfeE D^?
CString m_Path; W\~ie}D{
CString m_Number; Q2 !GWz$
//}}AFX_DATA f5*qlQJFz\
// ClassWizard generated virtual function overrides HF*0
//{{AFX_VIRTUAL(CCaptureDlg) [P+kQBLpL
public: 3*<@PXpK&
virtual BOOL PreTranslateMessage(MSG* pMsg); Z;G*wM"
protected: F- -g?Q^
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
rp4D_80q
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); R0qZxoo
//}}AFX_VIRTUAL bN/8 ~!
// Implementation R>0[w$
protected: )8C`EPe
HICON m_hIcon; m538p.(LIR
// Generated message map functions $Y7VA
//{{AFX_MSG(CCaptureDlg) GKFRZWXdT
virtual BOOL OnInitDialog(); 7K.75%}
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); i(|ug_^
afx_msg void OnPaint(); a(vt"MQ_
afx_msg HCURSOR OnQueryDragIcon(); 2A\b-;4EP
virtual void OnCancel(); r<ww%2HTS
afx_msg void OnAbout(); _O}m0c
afx_msg void OnBrowse(); 2"G9?)d9
afx_msg void OnChange(); ![%wM Pp
//}}AFX_MSG c[ZrQJ
DECLARE_MESSAGE_MAP() MAYb.>X#>
}; 8n5~K.;<
#endif mI7lv;oN<5
6]iU-k0b
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file dE"_gwtX
#include "stdafx.h" uaO.7QSwN
#include "Capture.h" w8X5kk
#include "CaptureDlg.h"
`o#(YEu
#include <windowsx.h> inU5eronuj
#pragma comment(lib,"hook.lib")
x\Q}fk?{t
#ifdef _DEBUG /[_aK0U3
#define new DEBUG_NEW )IcSdS0@M
#undef THIS_FILE F:m6Mf7L
static char THIS_FILE[] = __FILE__; D=^&?@k<
#endif dXxf{|gk>
#define IDM_SHELL WM_USER+1 5@5*}[M
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); S%MDQTM
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); HVus\s\&y%
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; H/{@eaV
class CAboutDlg : public CDialog y^ skE{
{ t[TM\j0jW
public: iQ" LIeD
CAboutDlg(); -7&ywgxl
// Dialog Data )'m;a_r`
//{{AFX_DATA(CAboutDlg) I-^sJ@V;
enum { IDD = IDD_ABOUTBOX }; oZ*?Uh *
//}}AFX_DATA 1 |{s8[;8
// ClassWizard generated virtual function overrides ML>M:Ik+
//{{AFX_VIRTUAL(CAboutDlg) #;!@Pf
protected: =J1V?x=l@
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support pK-tj
//}}AFX_VIRTUAL F%
n}vA`
// Implementation {LjzkXs
protected: z6U'"T"a
//{{AFX_MSG(CAboutDlg) 4tkT\.
//}}AFX_MSG \C$e+qb~{
DECLARE_MESSAGE_MAP() )f$4:Pq
}; L6CI9C;-b
E "=4(
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) +#,J`fV%
{ Z5TA4Q+Q
//{{AFX_DATA_INIT(CAboutDlg) @ovaOX
//}}AFX_DATA_INIT
7V5c`:"
} ke2dQ^kc4
9xbT?$^
void CAboutDlg::DoDataExchange(CDataExchange* pDX) iYB c4'X
{ c/+6M
CDialog::DoDataExchange(pDX); )yyH_Ax2
//{{AFX_DATA_MAP(CAboutDlg) [lML^CYQ
//}}AFX_DATA_MAP ZY,$oFdsi
} I8!>7`L
/lR*ab
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) L91vp'+2
//{{AFX_MSG_MAP(CAboutDlg) *jhgCm
// No message handlers 'nPI
zK<v
//}}AFX_MSG_MAP zV}:~;w
END_MESSAGE_MAP() ~E6sY
8TpYt)]S
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) ((`\i=-o5
: CDialog(CCaptureDlg::IDD, pParent) Y\WQ0'y
{ 1Z
~C3)T=
//{{AFX_DATA_INIT(CCaptureDlg) YT?Lt!cl=
m_bControl = FALSE; g^
?G)>
m_bAlt = FALSE; }*bp4<|
m_bShift = FALSE; <eEIR
m_Path = _T("c:\\"); =7e!'cF[
m_Number = _T("0 picture captured."); Z e>R@rK
nCount=0; P Ptmh. }e
bRegistered=FALSE; T(u;<}e@[
bTray=FALSE; +JYb)rn$^
//}}AFX_DATA_INIT tRI<K
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 H<!q@E
;
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); i ZPNss
} ! 7V>gWhR
[5'HlHK
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) Ud+,/pE>FA
{ 7yu-xnt3s
CDialog::DoDataExchange(pDX); 3:Nc`tM_
//{{AFX_DATA_MAP(CCaptureDlg) WYF8?1dt +
DDX_Control(pDX, IDC_KEY, m_Key); FR6 W-L
DDX_Check(pDX, IDC_CONTROL, m_bControl); \dU.#^ryp
DDX_Check(pDX, IDC_ALT, m_bAlt); |_ED*ATR=
DDX_Check(pDX, IDC_SHIFT, m_bShift);
;@k=9o]A
DDX_Text(pDX, IDC_PATH, m_Path); %Qz<Lk">.
DDX_Text(pDX, IDC_NUMBER, m_Number); ;76+J)
//}}AFX_DATA_MAP ^ U,iDK_
} @8{8|P
3r#['UmT
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) W*s=No3C
//{{AFX_MSG_MAP(CCaptureDlg) mCt/\
ON_WM_SYSCOMMAND() q}p$S2`
ON_WM_PAINT() 'qEw]l
ON_WM_QUERYDRAGICON() Z":m(}u O
ON_BN_CLICKED(ID_ABOUT, OnAbout) Vaf,
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) hN K wQ
ON_BN_CLICKED(ID_CHANGE, OnChange) 43h06X`
//}}AFX_MSG_MAP _R(ZvsOZ
END_MESSAGE_MAP() .lj5pmD
:vIJ>6lIR
BOOL CCaptureDlg::OnInitDialog() " 4#&tNQ
{ .n+
;&5
CDialog::OnInitDialog(); GU`q^q@Ea
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ?i_/f} .K
ASSERT(IDM_ABOUTBOX < 0xF000); Z[VrRT,\c
CMenu* pSysMenu = GetSystemMenu(FALSE); '*XIp:
if (pSysMenu != NULL) 3mofp`e
{ nygGI_[l
CString strAboutMenu; (M|DNDM'd
strAboutMenu.LoadString(IDS_ABOUTBOX); Q?T+^J
if (!strAboutMenu.IsEmpty()) G*EF_N.G0
{ M/Z$?nd_H
pSysMenu->AppendMenu(MF_SEPARATOR); ':}9>B3 S
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); h/A\QW8Sd
} ;]xc}4@=mg
} U"|1@W#
SetIcon(m_hIcon, TRUE); // Set big icon =D0d+b6
SetIcon(m_hIcon, FALSE); // Set small icon An#[
+?
m_Key.SetCurSel(0); Y?1T
XsvF
RegisterHotkey(); _,0.h*c
CMenu* pMenu=GetSystemMenu(FALSE); H(K!{k
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); %CnVK1u!
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); Ga9iPv
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); *
G*VY#L
return TRUE; // return TRUE unless you set the focus to a control >QJDO ]~V
} q&[G^9
o=94H7@
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) (rJ-S"^u
{ CLZj=J2
if ((nID & 0xFFF0) == IDM_ABOUTBOX) >0:3CpO*
{ y`$qcEw
CAboutDlg dlgAbout; 'LG\]h>+)
dlgAbout.DoModal(); sF)$<[w
} 2 {WZ?H93a
else -*[)CR-{
{ :RIqA/
CDialog::OnSysCommand(nID, lParam); d~_5Jx
} <(TAA15Xol
} Ep;?%o ,G
&S