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:
_O9H._E
[qMdOY%jx 一、实现方法
~ O=| v/] )^f
Q@C8 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:
~(^*?(Z G>>u#>0 #pragma data_seg("shareddata")
=c^=Yvc7U HHOOK hHook =NULL; //钩子句柄
)uuEOF"w UINT nHookCount =0; //挂接的程序数目
chzR4"WZFt static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
D-:<]D: static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
0.+eF }'H static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
pF+wHMhUe static int KeyCount =0;
+J8/,d static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
[iy;}5XK #pragma data_seg()
~c$ts&Cl 4 xzJql 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。
r;8z"* N@a'd0oTd 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:
|ZlT>u $:
m87cR~ BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
y$V)^-U>fw cKey,UCHAR cMask)
!H=k7s {
.|`=mx BOOL bAdded=FALSE;
>=:T
ZU for(int index=0;index<MAX_KEY;index++){
C-^%g[# if(hCallWnd[index]==0){
Z1&GtM hCallWnd[index]=hWnd;
9Ru%E>el- HotKey[index]=cKey;
9|A-oS HotKeyMask[index]=cMask;
ruA+1-<f bAdded=TRUE;
13_~)V KeyCount++;
bRz^= break;
-7z y }
*oX]=u& }
&dDI*v+ return bAdded;
_Ge^
-7 }
_s-HlE?C //删除热键
5po'(r|U BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
l~!fQ$~ {
C!k9 JAa$Z BOOL bRemoved=FALSE;
yZ)aKwj%U for(int index=0;index<MAX_KEY;index++){
b\j&!_
if(hCallWnd[index]==hWnd){
L(2P|{C if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
b_gN?F7_ hCallWnd[index]=NULL;
vcJb\LW HotKey[index]=0;
R:BBNzY}f HotKeyMask[index]=0;
tDHHQ bRemoved=TRUE;
39aCwhh7v KeyCount--;
giPo;z\c break;
/uXRZ }
W%9K5(e }
zo7XmUI3P }
])j|<W/ return bRemoved;
\M"^Oe{Dy? }
X>Xp&o A~GtK\=;
K M\+ DLL中的钩子函数如下:
2*q:
^ 3 [)s;e LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
K&IrTA
j} {
jw(>@SXz BOOL bProcessed=FALSE;
Xm=^\K3 if(HC_ACTION==nCode)
ngY+Ym {
io r [v if((lParam&0xc0000000)==0xc0000000){// 有键松开
?}3PJVy? switch(wParam)
j_'rhEdLP {
@f5@0A\0 case VK_MENU:
Lr?4Y MaskBits&=~ALTBIT;
t-7[Mk9@ break;
]pR fY9w case VK_CONTROL:
E?gu(\an@ MaskBits&=~CTRLBIT;
'W?v.W & break;
JQ/t, v$G case VK_SHIFT:
jo;uR l MaskBits&=~SHIFTBIT;
ZG/8 Ds break;
Ei9_h
default: //judge the key and send message
i
B!h Ebz break;
=Kt9,d08x }
<V:<x for(int index=0;index<MAX_KEY;index++){
x\J;ZiWwW if(hCallWnd[index]==NULL)
qM1)3.)[: continue;
ZkB6bji if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
zdjM%l); {
q
5v?`c SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
*)`kx bProcessed=TRUE;
s\Pt,I@Y_ }
!(]dz~sM }
B=gsd0^] }
|j~EV~AJ else if((lParam&0xc000ffff)==1){ //有键按下
XHZ:
mLf switch(wParam)
YD='M.n\ {
>)n4sMq case VK_MENU:
MB8SB MaskBits|=ALTBIT;
#NN"(I break;
G V:$; case VK_CONTROL:
~C"k$;(n MaskBits|=CTRLBIT;
N$,/Q9h^ break;
;N$ 0)2w case VK_SHIFT:
&8Jg9# MaskBits|=SHIFTBIT;
9o`7Kc/g break;
(,Ja
default: //judge the key and send message
qF{DArc break;
;naq-%'Sg }
NlF0\+h for(int index=0;index<MAX_KEY;index++){
rWFcIh5 if(hCallWnd[index]==NULL)
{7=WU4$ continue;
]~prR? if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
Y%fVt| {
1qLl^DW SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
~3'RW0 bProcessed=TRUE;
z#{0;t }
0;FqX* }
GDHK.?GY }
YA"Ti9-EV if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
%kK
][2e for(int index=0;index<MAX_KEY;index++){
5PGlR!^ if(hCallWnd[index]==NULL)
dSe8vA!) continue;
r:c@17 if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
'_.q_Tf-^ SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
Qst
\b8, //lParam的意义可看MSDN中WM_KEYDOWN部分
crJ7pe9 }
f2O*8^^Y{Q }
zNV!@Yr }
?E+:]j_ return CallNextHookEx( hHook, nCode, wParam, lParam );
M[YTk=IM# }
QE45!Zg *2,e=tY> 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:
^"O{o8l>2 't|Un G BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
.~. ``a BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
pHen>BA[ }XX~
W}M(\ 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:
4d^
\l! MX!u$ei LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
"U%n0r2 {
axK6sIxx if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
sK`~Csb
iB {
n#+%!HTh //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
f0uUbJ5 SaveBmp();
eVw\v#gd return FALSE;
N5 SLF4R1 }
{W5ydHXy …… //其它处理及默认处理
bJQ5- *F }
aho'|%y) t&GA6ML#s 9VoDhsKk 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。
`z|=~ pk-yj~F } 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。
r}/yi ;wij}y-6 二、编程步骤
2;r]gT~ Sl3KpZ 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";
Gb(C#,xbK nG"tO'J6 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
r]A"Og_U }P<Qz^sr_ 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;
1~}m.ER )uQ-YC('0 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;
(^sh L`9TB"0R+ 5、 添加代码,编译运行程序。
lGdM80f ]2Sfkl0 三、程序代码
9=t#5J#O N\9}\Rk@ ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
3iE-6udCS #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
[YC=d1F5 #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
9$7&URwSDI #if _MSC_VER > 1000
Ts|--, #pragma once
Lw*;tL<, #endif // _MSC_VER > 1000
9[cp7 Rcb #ifndef __AFXWIN_H__
uYFMv=>j #error include 'stdafx.h' before including this file for PCH
%1Bn_ #endif
C%giv9a #include "resource.h" // main symbols
wYZT D*A2h class CHookApp : public CWinApp
C=fsJ=a5; {
iO!27y public:
tIq>Oojdx CHookApp();
"pt+Fe|@c; // Overrides
Dt.0YKF // ClassWizard generated virtual function overrides
16"#i //{{AFX_VIRTUAL(CHookApp)
6!P`XTTE public:
yiiyqL*E virtual BOOL InitInstance();
Ne3R.g9;Z virtual int ExitInstance();
7#QLtU //}}AFX_VIRTUAL
OnZF6yfN=3 //{{AFX_MSG(CHookApp)
LmP qLH'(Q // NOTE - the ClassWizard will add and remove member functions here.
q5Fs )B // DO NOT EDIT what you see in these blocks of generated code !
QL2Nz@|k //}}AFX_MSG
)|v^9 DECLARE_MESSAGE_MAP()
8 RVS)D'' };
L2KG0i`+ LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
-x{dc7y2 BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
`/z_rqJ0CL BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
k@#5$Ejc2 BOOL InitHotkey();
EE+`i% BOOL UnInit();
UQ/qBbn #endif
s[3e=N $:Rn; //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
FY$fV"s #include "stdafx.h"
&~RR&MdZ2 #include "hook.h"
4|`Yz%' #include <windowsx.h>
)h#]iGVN} #ifdef _DEBUG
rJ'/\Hh5P #define new DEBUG_NEW
puOC60zI #undef THIS_FILE
K*~]fy static char THIS_FILE[] = __FILE__;
2@vJ #endif
n5|l|#c$N #define MAX_KEY 100
4t04}vp #define CTRLBIT 0x04
`>s7M.|X #define ALTBIT 0x02
0axxQ!Ivx #define SHIFTBIT 0x01
q# MM #pragma data_seg("shareddata")
!lAD
q|$ HHOOK hHook =NULL;
_2b9QP p UINT nHookCount =0;
!BDUv( static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
z"lqrSJ:
static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
/RGNAHtIi static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
@}WNKS&m static int KeyCount =0;
r!7 Y'| static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
['z!{Ez #pragma data_seg()
n|Pr/ddL HINSTANCE hins;
-T7%dLHY void VerifyWindow();
b/t BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
} ^i b //{{AFX_MSG_MAP(CHookApp)
p~K9
B-D // NOTE - the ClassWizard will add and remove mapping macros here.
6R`Oh uN.> // DO NOT EDIT what you see in these blocks of generated code!
h4/X
0@l` //}}AFX_MSG_MAP
tAjx\7IX END_MESSAGE_MAP()
b.b@bq$1 2jl)mL CHookApp::CHookApp()
LOr|k8tL% {
,vV]"f // TODO: add construction code here,
.x!T+`l>8I // Place all significant initialization in InitInstance
6k"P&AD }
IS BV%^la| V }>n CHookApp theApp;
RsW9:*R LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
Rs*vm {
-?<4Og[^ BOOL bProcessed=FALSE;
V
>Hf9sZ if(HC_ACTION==nCode)
;#TaZN {
[$\z'} if((lParam&0xc0000000)==0xc0000000){// Key up
\?D R
s switch(wParam)
t|V0x3X {
T$KF<
= case VK_MENU:
4,G w#@ MaskBits&=~ALTBIT;
|ETiLR=& break;
][d,l\gu+s case VK_CONTROL:
'xnnLCm. MaskBits&=~CTRLBIT;
X<]qU3k5 break;
XX6 T$pA6 case VK_SHIFT:
n,j$D62[ MaskBits&=~SHIFTBIT;
[iS,#w`
5 break;
M\oTZ@ default: //judge the key and send message
Sw8kIC break;
WA$JI@g }
w\w(U for(int index=0;index<MAX_KEY;index++){
aE|OTm+@9; if(hCallWnd[index]==NULL)
k6"KB continue;
[BM*oEFPB* if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
\'Z<P,8~ {
)zq.4 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
[mUBHYD7OI bProcessed=TRUE;
y#v"GblM }
<YFY{VC( }
]3B %8 }
:B|Dr
v else if((lParam&0xc000ffff)==1){ //Key down
Lq (ZcEKo switch(wParam)
LZ U$ {
9b;A1gu case VK_MENU:
QvLZg MaskBits|=ALTBIT;
Sm-wH^~KA break;
9 [jTs3l: case VK_CONTROL:
5,pSg MaskBits|=CTRLBIT;
%zeATM[` break;
e-5?p~> case VK_SHIFT:
_q?<at}y MaskBits|=SHIFTBIT;
npp[@*~ break;
9bJQT'<R default: //judge the key and send message
(\a6H2z8l break;
^YvB9XN }
g~S)aU\:, for(int index=0;index<MAX_KEY;index++)
%."@Q$lA {
@kFu*" if(hCallWnd[index]==NULL)
~D[?$`x: continue;
re &E{ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
DJ@|QQ {
wmU0E/{9] SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
xSK~s bProcessed=TRUE;
}fR,5|~X }
p?X02
>yA }
al&(-#1 }
QHt4",Ij if(!bProcessed){
`^9(Ot $ for(int index=0;index<MAX_KEY;index++){
ILwn&[A0 if(hCallWnd[index]==NULL)
otJ!UfpR8 continue;
($nrqAv4 if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
~8T(>!hE1h SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
!yOeW0/2[ }
SC &~s$P; }
C\ZkGX }
!? 5U| return CallNextHookEx( hHook, nCode, wParam, lParam );
sZ&G%o }
"xRBE\B H ?M/mGP BOOL InitHotkey()
o*g|m.SjL {
$2~\eG=u H if(hHook!=NULL){
vhuw&.\ nHookCount++;
ULH0'@BJ return TRUE;
D]s]"QQ8 }
M$Zo.Bl$( else
U`|0 jJ hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
v%{.A) if(hHook!=NULL)
%wptZ"2M nHookCount++;
k0-G$|QgIp return (hHook!=NULL);
cLY c6 }
qU6nJi+-I BOOL UnInit()
9Z5D\yv?H {
3q:n'PC)C if(nHookCount>1){
3]&o*Ib1`_ nHookCount--;
evA/+F,& return TRUE;
qFQ8 }
NS)}6OI3~" BOOL unhooked = UnhookWindowsHookEx(hHook);
6$fYt&1 if(unhooked==TRUE){
&k7;DO nHookCount=0;
4)>FS'= hHook=NULL;
KInk^`C/H }
G rmzkNlN return unhooked;
kql0J|P? }
Sn4[3JV $l )u]9193 BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
?E%ELs_Dl {
R"MRnr_4K BOOL bAdded=FALSE;
P +"Y for(int index=0;index<MAX_KEY;index++){
jw}}^3. if(hCallWnd[index]==0){
l1U=f] hCallWnd[index]=hWnd;
JO<wK HotKey[index]=cKey;
"P-lSF?T HotKeyMask[index]=cMask;
@H>@[+S# bAdded=TRUE;
ml|W~-6l KeyCount++;
>odbOi+X break;
me6OPc;:! }
cRd0S*QN2 }
ps
.]N
return bAdded;
'J&f%kx" }
v[plT2"s mGUO6>g BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
{j5e9pg1L| {
cKb)VG^ BOOL bRemoved=FALSE;
$D
v\
e for(int index=0;index<MAX_KEY;index++){
x_Jwd^`t! if(hCallWnd[index]==hWnd){
R" )bDy? if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
uEyH2QO hCallWnd[index]=NULL;
gBh;=vOD HotKey[index]=0;
I+>%uShm HotKeyMask[index]=0;
$N:Vo(* bRemoved=TRUE;
n+lOb KeyCount--;
yme^b
;a break;
{!|}=45Z }
DrnJ;Hi" }
;,i]w"* }
i
wxVl)QL return bRemoved;
)[mwP.T= }
5zFR7/p{ \I"Z2N>^z void VerifyWindow()
]?x:
Qm'yo {
<<=WY_m} for(int i=0;i<MAX_KEY;i++){
#P]#9Ty: if(hCallWnd
!=NULL){ D`J6h,=2l/
if(!IsWindow(hCallWnd)){ ?Kvl!F!`
hCallWnd=NULL; ae:zWk'!
HotKey=0; }ENR{vz$A
HotKeyMask=0; Q#h
9n] 5
KeyCount--; &B!
o,qp
} +w@M~?>
} 2C{H$
A,pW
} U9D!GKVp
} ?(*t@
{k
E*L iM5+I
BOOL CHookApp::InitInstance() "&+"@<
{ R4ht6Vm3g)
AFX_MANAGE_STATE(AfxGetStaticModuleState()); n,$IfC"
hins=AfxGetInstanceHandle(); [=B$5%A
InitHotkey(); V $z}
K
return CWinApp::InitInstance(); =@k%&* Y?
} upj]6f"(
.h0b~nI>>
int CHookApp::ExitInstance() &>e-(4Xu
{ N2.AKH
VerifyWindow(); 7jnIv];i
UnInit(); %dQxJMwj
return CWinApp::ExitInstance(); +f*OliMD
} ^c:Fy+fb
meN2ZB?Y
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file Z|%_oR~b|
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) ;<G=M2
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ Y"OG@1V;8
#if _MSC_VER > 1000 GA7}K:LP'k
#pragma once Y0D}g3`
#endif // _MSC_VER > 1000 ynA|}X
h3dsd
class CCaptureDlg : public CDialog &WNf
M+
{ JaB<EL-9r2
// Construction Gmf B
public: [<'-yQ{l\
BOOL bTray; Us+pc^A
BOOL bRegistered; v3v[[96p
BOOL RegisterHotkey(); /-bO!RTwf
UCHAR cKey; ?c0xRO%y
UCHAR cMask; A:7k+4
void DeleteIcon(); JK.ZdY%
void AddIcon(); 3;%5Yu
UINT nCount; ^bEc6`eE
void SaveBmp(); QWMdn
CCaptureDlg(CWnd* pParent = NULL); // standard constructor \GHiLs,!
// Dialog Data =gcM%=*'
//{{AFX_DATA(CCaptureDlg) lFTF ,G
enum { IDD = IDD_CAPTURE_DIALOG }; >yY'7Ey
CComboBox m_Key; 2h[85\4
BOOL m_bControl; 0P\$2lk
BOOL m_bAlt;
Z*-g[8FO
BOOL m_bShift; S[7WW$lF
CString m_Path; =XXZ?P
CString m_Number; 6xD#?
//}}AFX_DATA hEh}PX:
// ClassWizard generated virtual function overrides w`q%#qRk
//{{AFX_VIRTUAL(CCaptureDlg) Ur*6Gi6
public: =0;^(/1Mc
virtual BOOL PreTranslateMessage(MSG* pMsg); F<!)4>2@
protected: /4xki_}
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support X/N0LU(q
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); 4.IU!.Uo
//}}AFX_VIRTUAL Bdj%hyW
// Implementation Y(44pA&oN
protected: x' .:&z
HICON m_hIcon; >@"Oe
// Generated message map functions
ss5m/i7
//{{AFX_MSG(CCaptureDlg) da (km+
virtual BOOL OnInitDialog(); @:KJYm[
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); 26xXl|I
afx_msg void OnPaint(); yRo-EP
afx_msg HCURSOR OnQueryDragIcon(); :O(^w}sle
virtual void OnCancel(); ^5=B`aich
afx_msg void OnAbout(); xhRngHU\z<
afx_msg void OnBrowse(); To?W?s
afx_msg void OnChange(); bT&: fHc
//}}AFX_MSG b$Vz2Fzx
DECLARE_MESSAGE_MAP() /%Nr?V
}; EY \H=@A
#endif ;\p KDPr
%'[&U# -
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file 1 5A*7|
#include "stdafx.h" _1U1(^)
#include "Capture.h" n5{Xj:}
#include "CaptureDlg.h" Uh][@35 p
#include <windowsx.h> n_'s=] ~
#pragma comment(lib,"hook.lib") ;pnD0bH
#ifdef _DEBUG ij?
#define new DEBUG_NEW TC<@e<-%Sq
#undef THIS_FILE C:Hoq(
static char THIS_FILE[] = __FILE__; Zfyo-Wk
#endif qG<$Ajiin
#define IDM_SHELL WM_USER+1 &gjF4~W]
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); qbv#I;
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); q`pP$i:
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; 4Z/f@ZD
class CAboutDlg : public CDialog YX`7Hm,
{ P{u0ftyX}
public: '3?\K3S4i
CAboutDlg(); #vry0i
// Dialog Data gCxAG
//{{AFX_DATA(CAboutDlg) 6C-z=s)P&
enum { IDD = IDD_ABOUTBOX }; h(5P(` M
//}}AFX_DATA 8O Soel
// ClassWizard generated virtual function overrides JJ%ePgWT
//{{AFX_VIRTUAL(CAboutDlg) X$yN_7|+
protected: 3"O>&Q0c
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support W8]lBh5~:
//}}AFX_VIRTUAL &8z[`JW,T
// Implementation hEw-
O;T0
protected: / 4lvP
//{{AFX_MSG(CAboutDlg) gH G
//}}AFX_MSG NOp609\^
DECLARE_MESSAGE_MAP() V
=-WYu
}; xKFn.qFr
7PkJ-JBA
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) Y*!qG
{ 2z|*xS'G
//{{AFX_DATA_INIT(CAboutDlg) u?+Kkkk
//}}AFX_DATA_INIT EI^06q4x
} 3mOtW%Hl
H=\3Jj(4
void CAboutDlg::DoDataExchange(CDataExchange* pDX) I}t#%/'YA
{ }X=[WCKU
CDialog::DoDataExchange(pDX); IV)<5'v
//{{AFX_DATA_MAP(CAboutDlg) I6Ce_|n
?k
//}}AFX_DATA_MAP "U\4:k`:
} #es9d3~\
SXy=<%ed
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) F}=aBV|-
//{{AFX_MSG_MAP(CAboutDlg)
##4GK08!
// No message handlers 'z$Q rFW
//}}AFX_MSG_MAP Jm42b4
END_MESSAGE_MAP() bP^Je&nS*
,13Lq-
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) ;f"0~D2
: CDialog(CCaptureDlg::IDD, pParent) Yboiwy,n
{ PP!SK2u"L
//{{AFX_DATA_INIT(CCaptureDlg) t1%_DPD%W
m_bControl = FALSE; !U5Wr+83
m_bAlt = FALSE; ,%)6jYHR w
m_bShift = FALSE; T,VY.ep/
m_Path = _T("c:\\"); &cu lbcz
m_Number = _T("0 picture captured."); )4&cph';
nCount=0; ~t~-A,1
bRegistered=FALSE; oIefw:FE,a
bTray=FALSE; ;vIrGZV<
//}}AFX_DATA_INIT Y_QH&GZ
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 uh?>-
]r`
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); BN4_:
} l'3pQ;
zA1lca0HK
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) -*XCxU'
{ *q1% IJ
CDialog::DoDataExchange(pDX); ;dzL}@we
//{{AFX_DATA_MAP(CCaptureDlg) /jRRf"B
DDX_Control(pDX, IDC_KEY, m_Key); qu-/"w<3$
DDX_Check(pDX, IDC_CONTROL, m_bControl); Q^#;WASi
DDX_Check(pDX, IDC_ALT, m_bAlt); B|&"#Q
DDX_Check(pDX, IDC_SHIFT, m_bShift); EcCFbqS4W
DDX_Text(pDX, IDC_PATH, m_Path); 9F*+YG!
DDX_Text(pDX, IDC_NUMBER, m_Number); ETXZ?\<a5
//}}AFX_DATA_MAP `3hSLR
} |0%+wB
X3V'Cy/sy
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) V7Mh-]
//{{AFX_MSG_MAP(CCaptureDlg) iySRY^
ON_WM_SYSCOMMAND() >mjNmh7
ON_WM_PAINT() YxP@!U9dE,
ON_WM_QUERYDRAGICON()
0gfA#|'
ON_BN_CLICKED(ID_ABOUT, OnAbout) 7=DjI ~
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) Yk5}`d!:
ON_BN_CLICKED(ID_CHANGE, OnChange) 48*Do}l]
//}}AFX_MSG_MAP u6bXv(
END_MESSAGE_MAP() Yx>"bv
A$a1(8H
BOOL CCaptureDlg::OnInitDialog() n2fbp\ I
{ <Ce2r"U1e
CDialog::OnInitDialog(); (owrdPT!
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
!OuWPH.
:
ASSERT(IDM_ABOUTBOX < 0xF000); &Y^WP?HS
CMenu* pSysMenu = GetSystemMenu(FALSE); yfC^x%d7G
if (pSysMenu != NULL) $n^gmhp
{ NvvUSyk\;s
CString strAboutMenu; ;asP4R=
strAboutMenu.LoadString(IDS_ABOUTBOX); QJ7L7S
if (!strAboutMenu.IsEmpty()) }~Af/
{ /)>s##p*
pSysMenu->AppendMenu(MF_SEPARATOR); kVy\b E0o
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); a@0BBihz
} 6%VV,$p
} =F;.l@:
SetIcon(m_hIcon, TRUE); // Set big icon :bC40@
SetIcon(m_hIcon, FALSE); // Set small icon Z>^pCc\lH
m_Key.SetCurSel(0); `2PLWo
RegisterHotkey(); <E0UK^-}
CMenu* pMenu=GetSystemMenu(FALSE); |USX[jm\
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); _z1(y}u}
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); {Pc<u
gfl
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); W<