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:
9wL2NC31Q
kepuh%KY[
一、实现方法
nDrRK RZz?_1' 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:
UynGG@P@ A;Uc&G #pragma data_seg("shareddata")
oiyvKMHz7 HHOOK hHook =NULL; //钩子句柄
QytO0K5
UINT nHookCount =0; //挂接的程序数目
?1\5X<|, static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
2zj`
H9 static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
WAn@8!9 static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
|r@;ulO static int KeyCount =0;
O@$>'Z static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
2-F7tcya| #pragma data_seg()
xU\!UVQ/ /E6)>y66 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。
UC&$8^ ?wtKi#k'v# DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
xM_#FxJb 2tz4Ag BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
+:Zwo+\kSN cKey,UCHAR cMask)
/M5.Z~|/ {
&OU.BR> BOOL bAdded=FALSE;
rVabkwYD for(int index=0;index<MAX_KEY;index++){
M>k&WtqK if(hCallWnd[index]==0){
S1r{2s& hCallWnd[index]=hWnd;
'&CZ%&(Gw HotKey[index]=cKey;
0hS&4nW HotKeyMask[index]=cMask;
IR/S`HD_ bAdded=TRUE;
k7Nx#%xx KeyCount++;
oypLE=H break;
u8"s#%>Ny }
|1wZ`wGZ:L }
],c0nz^%BR return bAdded;
Kj0)/Fjl+ }
% 3#g- //删除热键
v=^^Mr"Z^ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
VmQ^F|
{ {
wo9R:kQ BOOL bRemoved=FALSE;
3r%v@8)!b for(int index=0;index<MAX_KEY;index++){
9No6\{[M
if(hCallWnd[index]==hWnd){
n[/D>Pi if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
Yte*$cJ= hCallWnd[index]=NULL;
,IiKe_B HotKey[index]=0;
6UIS4_
HotKeyMask[index]=0;
X[J<OTj`$ bRemoved=TRUE;
eGMw:H KeyCount--;
(F'~K,0 break;
2`i&6iz }
[CHN3&l-5S }
#mH28UT }
?3DL .U{ return bRemoved;
:/->m6C`0 }
xEG:KSH py$Gy-I~[ GUQ3XF\ DLL中的钩子函数如下:
]`-o\,lq jzi%[c<G LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
*r>Y]VG;S {
1drg5 BOOL bProcessed=FALSE;
K`=U5vG^ if(HC_ACTION==nCode)
xgOt%7sb {
K81FKV. if((lParam&0xc0000000)==0xc0000000){// 有键松开
~&/Nl_# switch(wParam)
K%9!1' {
=YM case VK_MENU:
;4+z~7Je]^ MaskBits&=~ALTBIT;
\1R*M break;
Xk:x=4u& case VK_CONTROL:
hj=n;,a9 MaskBits&=~CTRLBIT;
covCa )kf break;
z%fjG} z case VK_SHIFT:
%4VM"C4[ MaskBits&=~SHIFTBIT;
tli*3YIw break;
|QrVGm@2 default: //judge the key and send message
!le#7Kii break;
El}~3|a? }
]_ LAy for(int index=0;index<MAX_KEY;index++){
kb-XEJ}L if(hCallWnd[index]==NULL)
; 180ct4 continue;
=>*}qen if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
_bh$
t {
>>=zkPy SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
25G~rklk bProcessed=TRUE;
NX8w(~r,: }
Mf5kknYuL9 }
RCkmxO;b& }
__z/X"H else if((lParam&0xc000ffff)==1){ //有键按下
Y}vV.q switch(wParam)
`34+~;;Jh {
af'ncZ@U case VK_MENU:
]_>38f7h MaskBits|=ALTBIT;
>U:-U"rA? break;
;{m;CKHI case VK_CONTROL:
sVO|Ghy65 MaskBits|=CTRLBIT;
+MS*YpPW break;
fN`Prs A case VK_SHIFT:
-6q7ze{@ MaskBits|=SHIFTBIT;
BT:b&"AR[ break;
_J>Ik2EF default: //judge the key and send message
:>y5'q@R break;
dn5t7D^x }
p3%cb?G%w for(int index=0;index<MAX_KEY;index++){
@&h_+|:- if(hCallWnd[index]==NULL)
Q{hK+z`D continue;
&Ai+t2 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
6_EfOD9 {
SM}&
@cJ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
H2_6m5[&, bProcessed=TRUE;
j"0TAYmXwu }
TIV|7nKL }
N,)rrBD }
F0xm%? if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
"t{D5{q|[k for(int index=0;index<MAX_KEY;index++){
p=Qo92
NH if(hCallWnd[index]==NULL)
FN0<iL continue;
*XXa9z if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
k%RQf0`T SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
WAr6Dv,8 //lParam的意义可看MSDN中WM_KEYDOWN部分
ohPXwp?] }
voN, u>U }
NS4W!o;" }
T.!.3B$@] return CallNextHookEx( hHook, nCode, wParam, lParam );
: 2L-Nf }
7r3EMX\#Qm <l)I%1T_c 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
"jq F &>@EfW]( BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
m]++
! BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
M4XU*piz Xt*h2& 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
V=GP_^F )=h+5Z>E1 LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
g*U[?I"sC {
(Sj?BZjC if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
6K.0dhl>`B {
H|N,nkhH} //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
{Cw>T-` SaveBmp();
]gb?3a}A return FALSE;
uQkFFWS }
0Q/BTT%X …… //其它处理及默认处理
S#D6mg$Z, }
JOq&(AZe dqL)q 3 i;<H^\% 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。
Ut"F b J16(d+ 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。
@}e5T/{X}T 5,V3_p:)VI 二、编程步骤
^^*dHWHn< ID=^497
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";
WGMEZx %xwdH4_ 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
PwxRu "IdN *K 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;
6c#1Do(W+ SQBe}FlktK 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;
9r,7>#IF oGZ%w4T 5、 添加代码,编译运行程序。
lGN{1djT [)p>pA2GZj 三、程序代码
I_h&35^t 2HREO@._) ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
ON3~!Q) #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
>^KO5N-:4 #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
r7:4|6E #if _MSC_VER > 1000
xcl8q: #pragma once
TqXB2`7Ri #endif // _MSC_VER > 1000
t'Pn* #ifndef __AFXWIN_H__
"f`{4p0v #error include 'stdafx.h' before including this file for PCH
n#5%{e> #endif
QK/~lN #include "resource.h" // main symbols
FAd4p9[Y class CHookApp : public CWinApp
w>gB&59r {
||kUi=5 public:
|Xk>a7X CHookApp();
odpjEeQC // Overrides
vZt48g
// ClassWizard generated virtual function overrides
>*goDtTjp //{{AFX_VIRTUAL(CHookApp)
V> @+&q public:
`GT{=XJfY virtual BOOL InitInstance();
4Q(GX.5 virtual int ExitInstance();
;bt%TxuKb //}}AFX_VIRTUAL
D~JrO]mi //{{AFX_MSG(CHookApp)
r5\|%5=J // NOTE - the ClassWizard will add and remove member functions here.
ZncJ // DO NOT EDIT what you see in these blocks of generated code !
?r-W
, n //}}AFX_MSG
rjW\tuZI DECLARE_MESSAGE_MAP()
/jv4#9 };
t5WW3$Nf LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
6{PlclI ! BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
qm=N@@R& BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
R<x~KJ11c BOOL InitHotkey();
pbePxOG BOOL UnInit();
4XXuj #endif
loFApBD=$^ sDnXgCcS! //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
a@V`EEZ #include "stdafx.h"
W~FM^xR?p #include "hook.h"
z#elwL6 #include <windowsx.h>
_"0Bg3Y #ifdef _DEBUG
+(3U_]Lu #define new DEBUG_NEW
K.K=\
Y2 #undef THIS_FILE
uMe]].04 static char THIS_FILE[] = __FILE__;
i_6 Y6 #endif
o&"nF+, #define MAX_KEY 100
aoVfvz2Y #define CTRLBIT 0x04
?#P@N4Uw}y #define ALTBIT 0x02
{]6Pd`- #define SHIFTBIT 0x01
_B5vh(. #pragma data_seg("shareddata")
u
=%1%p, HHOOK hHook =NULL;
},LO]N| UINT nHookCount =0;
a"&Gs/QKSC static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
m3E`kW| static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
Wc
qUF"A static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
+Q+>{HK static int KeyCount =0;
wXnluE static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
)4BLm #pragma data_seg()
VwrHD$ HINSTANCE hins;
V*w~Sr% void VerifyWindow();
;XXB^, BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
of k@.TmO //{{AFX_MSG_MAP(CHookApp)
R9`37(c9+ // NOTE - the ClassWizard will add and remove mapping macros here.
' (1`iQ; // DO NOT EDIT what you see in these blocks of generated code!
iy\ 6e k1 //}}AFX_MSG_MAP
qTUyax END_MESSAGE_MAP()
qz<>9n@o OkaNVTB CHookApp::CHookApp()
Gm2q`ki {
w[X/|O // TODO: add construction code here,
qmx4hs8sh // Place all significant initialization in InitInstance
s/0S]P]}f }
DYFfq sV`!4
u7%} CHookApp theApp;
yO`HL'SMo LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
JcDcYB {
c Y(2}Ay BOOL bProcessed=FALSE;
5b5Hc Inu if(HC_ACTION==nCode)
R
*uwp'@ {
TKBW2 if((lParam&0xc0000000)==0xc0000000){// Key up
Q'qz(G0 switch(wParam)
=AIeYUh {
6A9
r{'1 case VK_MENU:
7lH3)9G; MaskBits&=~ALTBIT;
+XP9=U*g break;
2j
<Y>Y case VK_CONTROL:
n3Q Rn^ MaskBits&=~CTRLBIT;
LW '3m5 break;
1ms(03dp case VK_SHIFT:
oW
\k%Vj MaskBits&=~SHIFTBIT;
$]t3pAI[H0 break;
oDBv5 default: //judge the key and send message
+zf[Im%E break;
GLE/ 1 }
7`_`V&3s for(int index=0;index<MAX_KEY;index++){
:[C"}mR1 if(hCallWnd[index]==NULL)
o!-kwtw`l continue;
cA8A^Iv:0 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
6A23H7 {
Cl>{vSN SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
j}fu|- bProcessed=TRUE;
9H#;i]t & }
+l) [A{ }
3yw`%$d5 }
t#BQB<GI else if((lParam&0xc000ffff)==1){ //Key down
UHT2a9rG switch(wParam)
O=E?m=FR" {
,z0~VS:g 8 case VK_MENU:
'YTSakNJ} MaskBits|=ALTBIT;
mx3p/p break;
&=S<StH case VK_CONTROL:
s i=m5$V MaskBits|=CTRLBIT;
z<u*I@; break;
Xdtyer% case VK_SHIFT:
EwX:^1f MaskBits|=SHIFTBIT;
bD ADFitSo break;
JKy06I default: //judge the key and send message
f5o##ia7: break;
@D@_PA)e( }
cy
@",z for(int index=0;index<MAX_KEY;index++)
%-J}m {
;:A/WU.^ if(hCallWnd[index]==NULL)
3s
B9t X continue;
VSLi{=# if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
k|D =Q {
,|G~PC8 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
>o,l/#z bProcessed=TRUE;
1 ` ={** }
VteMsL/H }
15\k/[3
# }
>%1mx\y^ if(!bProcessed){
Oz-;2 for(int index=0;index<MAX_KEY;index++){
6h9Hf$' if(hCallWnd[index]==NULL)
3EO:Uk5< continue;
%&}gt+L(M if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
fZka$
4 SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
vMv?
fE" }
f)#rBAkt }
w)7 s]Ld }
9[,+4&wX7 return CallNextHookEx( hHook, nCode, wParam, lParam );
|$+
xVi8 }
1}ER+;If PDNbhUAV BOOL InitHotkey()
4RyQ^vL {
,LftQ1*; if(hHook!=NULL){
YG K7b6
nHookCount++;
WinwPn+9 return TRUE;
?w5>Z/V }
L|]!ULi$d else
gEISnMH hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
Bm4fdf#A] if(hHook!=NULL)
SodYb nHookCount++;
ow2tfylV return (hHook!=NULL);
'Hv=\p4$1 }
teX)!N [ BOOL UnInit()
'9XSz? {
D7|qFx;]g if(nHookCount>1){
2qpUUo f nHookCount--;
M T]2n{e return TRUE;
4D=^24f`0 }
A w"Y_S8. BOOL unhooked = UnhookWindowsHookEx(hHook);
/ht-]Js$G if(unhooked==TRUE){
*Eg[@5;QA nHookCount=0;
_MxKfah' hHook=NULL;
B:rzM:BQ }
Scd_tw.]| return unhooked;
F~;UD<<"H }
":W$$w< x.kIzI5 BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
PQvpJFpb~h {
SbK6o:[ BOOL bAdded=FALSE;
=QS%D*.|D for(int index=0;index<MAX_KEY;index++){
ocPM zq- if(hCallWnd[index]==0){
\#7@"~< hCallWnd[index]=hWnd;
J-5E# v HotKey[index]=cKey;
eJ+@<+vr;x HotKeyMask[index]=cMask;
[5i}C
K_= bAdded=TRUE;
Q/]t$ KeyCount++;
MHPh! break;
hp3
<HUU }
hOj(*7__ }
O/Mx$Q3re return bAdded;
#,CK;h9jy! }
"|nh=!L (8Q*NZ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
fjh,e {
4 zhg# BOOL bRemoved=FALSE;
<*[D30< for(int index=0;index<MAX_KEY;index++){
,~*pPhQ8m if(hCallWnd[index]==hWnd){
0dCg/wJx if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
p-f"4vH hCallWnd[index]=NULL;
'Rq2x-72} HotKey[index]=0;
[yx8?5 HotKeyMask[index]=0;
Pq3m(+gf bRemoved=TRUE;
%4^NX@1jV KeyCount--;
|3P dlIbO break;
0P l>k'9 }
7p_B?r }
oef] }
<~}NxY\5 return bRemoved;
R
"qt}4m }
H6Q!~o\"H K+3+?oYKH void VerifyWindow()
}e]tn) {
|32uC3?o for(int i=0;i<MAX_KEY;i++){
2g
HRfTF if(hCallWnd
!=NULL){ YckLz01jh
if(!IsWindow(hCallWnd)){ )R6-]TkA_
hCallWnd=NULL; $0&<Jx
HotKey=0; l]~mB~
HotKeyMask=0; 71G\b|5
KeyCount--; ^*'fDP*
} 0JU+v:J[=
} 5bo')^xa
} w,1&s};g\
} 4,.[B7irR
c"oJcp
BOOL CHookApp::InitInstance() e)f!2'LL
{ S<81r2LT
AFX_MANAGE_STATE(AfxGetStaticModuleState()); M,dp;
hins=AfxGetInstanceHandle(); g=e~YM85
InitHotkey(); e'T|5I0K
return CWinApp::InitInstance(); (w1$m8`=
} s(pNg?R
ZmAo9>'Kg
int CHookApp::ExitInstance() @ n^2UJ
{ q{uv?{I
VerifyWindow();
;(
[^+_/
UnInit(); a[ yyEgm2
return CWinApp::ExitInstance(); y`a]##1j$M
} mGh8/Xt
V6kJoSyde
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file dmPAPCm%y
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) s|D[_N!|
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ &Ivf!Bgm{Z
#if _MSC_VER > 1000 -+fW/Uo
#pragma once k{J\)z
#endif // _MSC_VER > 1000 pcNpr`
|* B9{/;4
class CCaptureDlg : public CDialog WSqo\]
{ }ws(:I^
// Construction @y8)
"m"
public:
JnPwqIF1
BOOL bTray; F4$9r^21r
BOOL bRegistered; 85vyt/.,k
BOOL RegisterHotkey(); {sF;R.P&r
UCHAR cKey; ODKHI\U
UCHAR cMask; l,ic-Y1
void DeleteIcon(); @umn[J#*
void AddIcon(); 4P?R "Lk
UINT nCount; GP0}I@>?
void SaveBmp(); $_O;yz
CCaptureDlg(CWnd* pParent = NULL); // standard constructor 0?*":o30
// Dialog Data d@ef+-
//{{AFX_DATA(CCaptureDlg) q"VC#97`
enum { IDD = IDD_CAPTURE_DIALOG }; jqQG n"!
CComboBox m_Key; q.ZkQN+
BOOL m_bControl; G2w0r,[
BOOL m_bAlt; -u~AY#*
BOOL m_bShift; n!h952"
CString m_Path; d,E2l~s
CString m_Number; #D^(dz*
//}}AFX_DATA V-ONC
// ClassWizard generated virtual function overrides ;^ff35EE8
//{{AFX_VIRTUAL(CCaptureDlg) s&M#]8x;x
public: r#(*x 2~,
virtual BOOL PreTranslateMessage(MSG* pMsg); 2`A\'SM'4
protected: AA5UOg\jI
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support Bpp(5
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); WDF6.i ?
//}}AFX_VIRTUAL ]F
srk
// Implementation Q*8efzgs|
protected: Ws:+P~8
HICON m_hIcon; FDTC?Ii O
// Generated message map functions $k^&
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//{{AFX_MSG(CCaptureDlg) =\gK<Xh
virtual BOOL OnInitDialog(); ^C~t)U
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); ;aDYw [
afx_msg void OnPaint(); Q|7;Zsd:
afx_msg HCURSOR OnQueryDragIcon(); mV.26D<c
virtual void OnCancel(); ~j[mM E}
afx_msg void OnAbout(); &IP`j~b
afx_msg void OnBrowse(); 3bagL)'iz
afx_msg void OnChange(); 3u oIYY
//}}AFX_MSG :?:R5_Nd=
DECLARE_MESSAGE_MAP() -SF50.[
}; Qn \=P*j
#endif Z9zsvg
&:#"APX
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file m6o o-muAr
#include "stdafx.h" ;-VXp80J
#include "Capture.h" H(DI /"N
#include "CaptureDlg.h" gH/(4h
#include <windowsx.h> <*z9:jzQ
#pragma comment(lib,"hook.lib") e7n`fEpO
#ifdef _DEBUG b$Q#Fv&P
#define new DEBUG_NEW __i))2
#undef THIS_FILE oT- Y
static char THIS_FILE[] = __FILE__; J :l%
#endif IYe ,VL
#define IDM_SHELL WM_USER+1 scyv]5Hm!
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); UQq Qim
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); 6OZn7:)Y
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; S+u@
Q}
class CAboutDlg : public CDialog ?:Rw[T@
l
{ M-A{{q
public: Yq%r\[%*
CAboutDlg(); Ur(< ]
// Dialog Data %8lWJwb7u
//{{AFX_DATA(CAboutDlg) |z`AIScT
enum { IDD = IDD_ABOUTBOX }; }*VRj;ff
//}}AFX_DATA `FByME
// ClassWizard generated virtual function overrides ><{Lh@{
//{{AFX_VIRTUAL(CAboutDlg) Tz{-L%*#
protected: J )UCy;Y
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support Bs\&'=l
//}}AFX_VIRTUAL m]&y&oz
// Implementation u XVs<im
protected: v dPb-z4
//{{AFX_MSG(CAboutDlg) s}?QA cC
//}}AFX_MSG 8[x{]l[
DECLARE_MESSAGE_MAP() rGQY
}; O7yIFqI=/
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CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) D YTC2
{ bl[2VM7P
//{{AFX_DATA_INIT(CAboutDlg) ^F87gow%`B
//}}AFX_DATA_INIT G`z=qa j
} ' [%?j?2r
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void CAboutDlg::DoDataExchange(CDataExchange* pDX) F+/#ugI
{ 1(qL),F;
CDialog::DoDataExchange(pDX); ap[Q'=A`
//{{AFX_DATA_MAP(CAboutDlg) >Dq&[9,8
//}}AFX_DATA_MAP JxQGL{)
>
} gZ6tbp,X
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BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) Z(BZGO<
//{{AFX_MSG_MAP(CAboutDlg) aA-s{af
// No message handlers LuWY}ste
//}}AFX_MSG_MAP .Kssc lSD1
END_MESSAGE_MAP() 838@jip
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CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) "BvDLe':
: CDialog(CCaptureDlg::IDD, pParent) 5c1{[
{ \8]("l}ms8
//{{AFX_DATA_INIT(CCaptureDlg) trlZ
m_bControl = FALSE; P.kf|,8L
m_bAlt = FALSE; `FAZAC\
m_bShift = FALSE; y>&
s;
m_Path = _T("c:\\"); ]Mj N)%hT
m_Number = _T("0 picture captured."); URMxCL^"
nCount=0; >uJU25)|
bRegistered=FALSE; eMUsw5=
bTray=FALSE; RIq\IQ_|
//}}AFX_DATA_INIT MG4(,"c!
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 6eW9+5oL
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); Z"E2ZSa0
} c@{M),C~E
IaGF{O3.
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) 59k-,lyU,
{ }XfRKGQw
CDialog::DoDataExchange(pDX); Fr1OzS^&(
//{{AFX_DATA_MAP(CCaptureDlg) gk4DoO j#P
DDX_Control(pDX, IDC_KEY, m_Key); .}3K9.hkr
DDX_Check(pDX, IDC_CONTROL, m_bControl); z/|tsVK
DDX_Check(pDX, IDC_ALT, m_bAlt); >C -N0H
DDX_Check(pDX, IDC_SHIFT, m_bShift); 3j w4#GW
DDX_Text(pDX, IDC_PATH, m_Path); yi,Xs|%.
DDX_Text(pDX, IDC_NUMBER, m_Number); *[tLwl.
//}}AFX_DATA_MAP Q=#Wk$1.
} *zWf8X
c6LPqPcN
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) yS@xyW /
//{{AFX_MSG_MAP(CCaptureDlg) H~?p,h
ON_WM_SYSCOMMAND() eI+p
ON_WM_PAINT() HQ^:5XH
ON_WM_QUERYDRAGICON() o_PQ]1
ON_BN_CLICKED(ID_ABOUT, OnAbout) D>K=D"
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) >RXDuCVi
ON_BN_CLICKED(ID_CHANGE, OnChange) ^Kn:T`vB
//}}AFX_MSG_MAP \0z<@)r+AJ
END_MESSAGE_MAP() W+#Zmvo
$rH}2
BOOL CCaptureDlg::OnInitDialog() lfte
{ _tfi6UQ&lY
CDialog::OnInitDialog(); 8v\^,'@
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); /qweozW_+
ASSERT(IDM_ABOUTBOX < 0xF000); |4F'Zu}g>
CMenu* pSysMenu = GetSystemMenu(FALSE); ,zh4oX`>
if (pSysMenu != NULL) 3|0OW
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{ }N@+bNh~
CString strAboutMenu; 8C<%Y7)/
strAboutMenu.LoadString(IDS_ABOUTBOX); o*xft6U
if (!strAboutMenu.IsEmpty()) -\M;bQV[C
{ idNg&'
pSysMenu->AppendMenu(MF_SEPARATOR); Ui}%T]
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); R9InUX"k
} d.p%jVO)"
} E~1"Nh
SetIcon(m_hIcon, TRUE); // Set big icon cB}6{c$_sW
SetIcon(m_hIcon, FALSE); // Set small icon H`NT`BE
m_Key.SetCurSel(0); Vn6]h|vm
RegisterHotkey(); !p(N
DQm
CMenu* pMenu=GetSystemMenu(FALSE); Ky)*6QOw
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); ^zR*s |1Q
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); hmJa1fw=
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); }M~[8f
]
return TRUE; // return TRUE unless you set the focus to a control >\Ml\CyL
} 2E0$R%\
Hs(U|BXU
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) DQ= /Jr~
{ Z1oUAzpj4
if ((nID & 0xFFF0) == IDM_ABOUTBOX) u-HBmL
{ 6G<gA>V
CAboutDlg dlgAbout; "M=1Eb$6=
dlgAbout.DoModal(); n<Z1i)
} {'[S.r`
else fk(h*L|sI
{ r$&WwH2^
CDialog::OnSysCommand(nID, lParam); VZr AZV^c
} WS1#i\0
} .a
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>jpkR
void CCaptureDlg::OnPaint() 3Hkb)Wu
{ _rvO#h
if (IsIconic()) kTm>`.kKJ=
{ [,ZHn$\
CPaintDC dc(this); // device context for painting 5VGr<i&A
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); `_>44!M
// Center icon in client rectangle ^"EK:|Y4%K
int cxIcon = GetSystemMetrics(SM_CXICON); yn.f?[G2
int cyIcon = GetSystemMetrics(SM_CYICON); fi';Mb3B3
CRect rect; 48n 7<M;I
GetClientRect(&rect); N6%M+R/Q
int x = (rect.Width() - cxIcon + 1) / 2; 7^DN8g"&\
int y = (rect.Height() - cyIcon + 1) / 2; HMVyXulU
// Draw the icon >d$Sh`a6
dc.DrawIcon(x, y, m_hIcon); =J^FV_1rJ
} v42Z&PO
else L'<.#(|
{ d`4F
CDialog::OnPaint(); U t.#h="
} 'Sjt*2blq
} Y%@a~|
vABUUAo!Jr
HCURSOR CCaptureDlg::OnQueryDragIcon() zfm#yDf
{ &``nYI g/
return (HCURSOR) m_hIcon; T#-U\C~o
} E<L6/rG
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