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:
[!|d[
/$N#_Xblr 一、实现方法
k>@^M]% $1`t+0^k 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:
lKD< ry<}DK<u #pragma data_seg("shareddata")
0GLB3I > HHOOK hHook =NULL; //钩子句柄
{;rpgc UINT nHookCount =0; //挂接的程序数目
Xf/<.5A static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
7|?@\ZE static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
;`Ch2b1+ static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
$/sZYsN~T static int KeyCount =0;
|"(3]f\ static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
zAdVJ58H #pragma data_seg()
J!gWRw5 -O q=J; 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
7]+'%Uwu) t~=@r9`S
DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
IF21T oXOO 10 BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
4OgGZ cKey,UCHAR cMask)
d}G."wnG9, {
6je%LHhL BOOL bAdded=FALSE;
s)ajy^6'M for(int index=0;index<MAX_KEY;index++){
1$!K2=%OXj if(hCallWnd[index]==0){
^oZs&+z hCallWnd[index]=hWnd;
L,ey3i7a\ HotKey[index]=cKey;
?;kc%Rz HotKeyMask[index]=cMask;
=kkA bAdded=TRUE;
Z["nY&.sI KeyCount++;
~5?n&pF break;
U@ QU8 }
-D':7!@ }
9fLP&v return bAdded;
wtick~) }
[~%;E[ky$ //删除热键
,oVBgCf BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
?;QKe0I^ {
n`2"(7Wj BOOL bRemoved=FALSE;
5/VB'N#7s for(int index=0;index<MAX_KEY;index++){
:jp$X| if(hCallWnd[index]==hWnd){
Bc,z] if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
!6`nN1A hCallWnd[index]=NULL;
dK`O,[} HotKey[index]=0;
K>~cY%3^i HotKeyMask[index]=0;
&(1NOyX& bRemoved=TRUE;
G
U/k^Qy KeyCount--;
NjMLq|X break;
H[yLlv }
2PW3S{D t }
.aRxqFi_ }
xqZ%c/I3q return bRemoved;
|?b"my$g$ }
EjCs `6F8Kqltr 9 W
r(w DLL中的钩子函数如下:
K%@SS8!oy f3&//h8 LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
+f~3FXM {
aQuy*\$$ BOOL bProcessed=FALSE;
Ss/="jC if(HC_ACTION==nCode)
mq}
#{ {
<p8y'KAlc if((lParam&0xc0000000)==0xc0000000){// 有键松开
K\r=MkA.> switch(wParam)
?Qp_4<(5 {
im\Ws./ case VK_MENU:
s'w0pZqj MaskBits&=~ALTBIT;
7oSuLo= break;
?2/M W27w case VK_CONTROL:
Bd[}A9O[ MaskBits&=~CTRLBIT;
$f\-.7OD break;
vDb}CQ\ case VK_SHIFT:
pAL-Pl9z MaskBits&=~SHIFTBIT;
`-\JjMSQ1 break;
)[Cm*Xxa$ default: //judge the key and send message
$e\R5Lu break;
0]W/88ut*u }
OH~qJ< for(int index=0;index<MAX_KEY;index++){
Nd)o1{I if(hCallWnd[index]==NULL)
XV!EjD~q continue;
0`=?ig_ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
$~\qoW< {
D(GHkS*0q SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
>FhBl\oIi bProcessed=TRUE;
X;g|-< }
v2g+oKO] }
tr+~@]I+ }
~+ur*3X else if((lParam&0xc000ffff)==1){ //有键按下
/PS]AM switch(wParam)
0:S)2"I58p {
j+_75t`AZ case VK_MENU:
Un+Jz
?Y MaskBits|=ALTBIT;
(\
%y) break;
JC3)G/m(03 case VK_CONTROL:
+?'acn MaskBits|=CTRLBIT;
v#G ^W break;
$cCB%} case VK_SHIFT:
q>Y[.c- MaskBits|=SHIFTBIT;
ddxv.kIj. break;
mY9K)]8 default: //judge the key and send message
H N)QS5 break;
&*-2k-16 }
=V4!t|(7 for(int index=0;index<MAX_KEY;index++){
ybkN^OEJ if(hCallWnd[index]==NULL)
mK4A/bsE continue;
- d6> if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
OkXOV {
\aozecpC` SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
bp_@e0 bProcessed=TRUE;
85]UrwlA4 }
vZsVxx99 }
<Z[R08 k }
4[wP$ if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
:r=_\? for(int index=0;index<MAX_KEY;index++){
'Mtu-\ if(hCallWnd[index]==NULL)
BO|Jrr> continue;
=)LpMTz if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
{5`?0+ SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
XjNu|H/ //lParam的意义可看MSDN中WM_KEYDOWN部分
$x*GvI1D }
rY.:}D }
,j<"~"]
= }
,)G,[ih return CallNextHookEx( hHook, nCode, wParam, lParam );
b*i+uV? }
&kBs'P8> !8].Z"5J 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
=%`" zKr(Gt8 BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
?;Qk!t2U BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
:SGQ4@BV O'(vs"eN 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
&$f?XdZ7 4YC`dpO' LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
?0X.Ith^. {
9OBPFF if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
&rubA {
&9>d //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
:z7!X.* SaveBmp();
V"XN(Fd^ return FALSE;
bcG-js- }
D?R z| …… //其它处理及默认处理
cCIEG e6 }
mLO6`]p{H tK*f8X+q ^=j$~*(LmX 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
lVHJ}(<'p sBMHf9u 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
cA kw5}P Z)~2{) 二、编程步骤
2NM}u\%c/ ;a"Ukh 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
'(}BfD P |rQ;|+. 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
"fdG5|NJe {H74`-C)W 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
<jF <_j n>'}tT)U 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
#XZ?,neY `4MPXfoBL 5、 添加代码,编译运行程序。
K""04Ew*pV [@czvPi 三、程序代码
"d'@IN >8Y >B) ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
I5mS!m/X #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
l;4F,iI #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
'Tn$lh #if _MSC_VER > 1000
]So%/rOvX #pragma once
Qa=;Elp:[ #endif // _MSC_VER > 1000
})Jp5vv #ifndef __AFXWIN_H__
6*E7} #error include 'stdafx.h' before including this file for PCH
s$;v )w$ #endif
UZ$p wjC #include "resource.h" // main symbols
-9mh|&z` class CHookApp : public CWinApp
JG `QJ% {
PuWF:'w r public:
j,Y=GjfGM CHookApp();
W$W7U|Z9y+ // Overrides
tF4"28"h // ClassWizard generated virtual function overrides
z|Xl%8 //{{AFX_VIRTUAL(CHookApp)
LS`Gg7]S public:
oKUJB.PF virtual BOOL InitInstance();
hn-S$3')` virtual int ExitInstance();
;rX4${h //}}AFX_VIRTUAL
X!m/I
i$q //{{AFX_MSG(CHookApp)
ty ~U~ // NOTE - the ClassWizard will add and remove member functions here.
^t"\PpmK<d // DO NOT EDIT what you see in these blocks of generated code !
<m!\Ma //}}AFX_MSG
@m6E*2Gg DECLARE_MESSAGE_MAP()
{r"HR%*u };
Cpl\}Qn LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
lH[N*9G( BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
rfk';ph BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
QL3%L8 BOOL InitHotkey();
F
1BPzRo` BOOL UnInit();
^J327 #endif
^U52
*6 F=cO=5Iz //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
g#e"BBm=A #include "stdafx.h"
B}vI<?c #include "hook.h"
q8U]Hyp(` #include <windowsx.h>
1t6UI4U!$ #ifdef _DEBUG
/2c?+04+ #define new DEBUG_NEW
vR -/c #undef THIS_FILE
n`6vM4rM) static char THIS_FILE[] = __FILE__;
v^vEaB #endif
3Cpix,Dc #define MAX_KEY 100
.gB#g{5+J #define CTRLBIT 0x04
?D#Vh a #define ALTBIT 0x02
']V 2V)t #define SHIFTBIT 0x01
a 3HS!/ #pragma data_seg("shareddata")
|
.PLfc; HHOOK hHook =NULL;
mesR)fTI UINT nHookCount =0;
,E_hG3}} static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
]5^u^ static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
"ey~w=B$M static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
DpA)Z?? static int KeyCount =0;
yY!jkRq%w static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
6d_l[N #pragma data_seg()
{W0@lMrD HINSTANCE hins;
J &c}z4 void VerifyWindow();
]_-<[0 BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
B!,})F$x //{{AFX_MSG_MAP(CHookApp)
T^"d%au // NOTE - the ClassWizard will add and remove mapping macros here.
b747 eR 7E // DO NOT EDIT what you see in these blocks of generated code!
lGxG$0`;; //}}AFX_MSG_MAP
46*?hA7@r( END_MESSAGE_MAP()
"kMpa]<c-6 bH&[O`vf CHookApp::CHookApp()
IE3GM^7\ {
^CX~>j\( // TODO: add construction code here,
J=()
A+ // Place all significant initialization in InitInstance
&AW?!rH }
$L?stgU JTx&_Ok# CHookApp theApp;
REw!@Y." LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
tvI~?\Ylj {
GeE|&popO BOOL bProcessed=FALSE;
k*M1m'1 if(HC_ACTION==nCode)
QQqWJq~ {
n*U1
M if((lParam&0xc0000000)==0xc0000000){// Key up
S53[K/dZo switch(wParam)
Nhs]U`s(g {
# *\PU case VK_MENU:
dq[CT MaskBits&=~ALTBIT;
N1_nBQF ) break;
^/c&Ud case VK_CONTROL:
=8[HC}s|$ MaskBits&=~CTRLBIT;
aVd{XVE break;
~W!sxM5(* case VK_SHIFT:
LTrn$k3} MaskBits&=~SHIFTBIT;
O0wD"V^W break;
}nuhLt1 default: //judge the key and send message
\07
s'W U break;
8eL[,uw }
V"gnG](2l for(int index=0;index<MAX_KEY;index++){
&AC-?R|Dp if(hCallWnd[index]==NULL)
;[&g`%-H< continue;
a Z
^SK|E if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
WnA]gyc {
^oM*f{9 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
+b
1lCa_ bProcessed=TRUE;
aM~M@wS }
<vOljo }
wOINcEdx }
Ju+r@/y% else if((lParam&0xc000ffff)==1){ //Key down
v]c1|?9p' switch(wParam)
$$`}b^, / {
&%rXRP case VK_MENU:
amOBUD5Ld` MaskBits|=ALTBIT;
SI U"cO4 break;
s>^*GQw case VK_CONTROL:
(Zx;GS MaskBits|=CTRLBIT;
zkB_$=sbn# break;
SxNs case VK_SHIFT:
^qGH77#z MaskBits|=SHIFTBIT;
#|)GarDG break;
VMsAT3^w default: //judge the key and send message
J=5G< break;
5{VrzzOK} }
9_oIAn:< for(int index=0;index<MAX_KEY;index++)
o1QK@@} {
@:X~^K. if(hCallWnd[index]==NULL)
%=%jy continue;
KR#Bj?fz-H if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
[p|-G*=00 {
buq3t+0 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
'3aDvV0 bProcessed=TRUE;
vV,H@WK }
sLPFeibof5 }
{^5r5GB=* }
D:M0_4S if(!bProcessed){
>i-cR4=LL{ for(int index=0;index<MAX_KEY;index++){
Ggsfr;m\` if(hCallWnd[index]==NULL)
qK#\k@E continue;
R2-OT5Ej if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
=2#
C{u. SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
U5%EQc-"P }
P8piXG }
PKty'}KF }
3@_je)s return CallNextHookEx( hHook, nCode, wParam, lParam );
Jcy }
Jx(%t<2 Q];+?Pu. BOOL InitHotkey()
UeX3cD {
kL{2az3"c if(hHook!=NULL){
D\bW' k]! nHookCount++;
i` n,{{x&4 return TRUE;
esWgYAc3{ }
[?yOJU%` else
8it|yK.G@& hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
dq[j.Nmq if(hHook!=NULL)
z{7&= $ nHookCount++;
*4dA(N\k" return (hHook!=NULL);
~W_m<#K( }
#92:h6 BOOL UnInit()
1ki##v[ W8 {
8J7xs6@ if(nHookCount>1){
]@)X3}"! nHookCount--;
z
~T[%RjO return TRUE;
@_YlHe&W }
-H#{[M8xX BOOL unhooked = UnhookWindowsHookEx(hHook);
L Lm{:T7 if(unhooked==TRUE){
w%g@X6 nHookCount=0;
oOnk,U hHook=NULL;
bBb$0HOF }
{;=I69X return unhooked;
uL1e? }
IF(W[J y}R{A6X) BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
+,gI| {
b(&2/|hd BOOL bAdded=FALSE;
eh&? BP?
for(int index=0;index<MAX_KEY;index++){
mTwz&N\ if(hCallWnd[index]==0){
%e+hM $Q hCallWnd[index]=hWnd;
*}$T:kTH HotKey[index]=cKey;
Y7zg HotKeyMask[index]=cMask;
P*BA bAdded=TRUE;
e%afK@c KeyCount++;
tK`sVsm> break;
D\jRF-z }
.R#p<"$I }
j*Ta?'* return bAdded;
(dLt$<F }
c 5+oP j pej/9{*xg( BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
b54<1\& {
?kI-o0@O. BOOL bRemoved=FALSE;
@TdPeTw\ for(int index=0;index<MAX_KEY;index++){
Ks(+['*S if(hCallWnd[index]==hWnd){
. Zrt/; if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
pLE|#58I hCallWnd[index]=NULL;
2G=Bav\n+ HotKey[index]=0;
NIY0f@1z- HotKeyMask[index]=0;
,2qJXMg"=$ bRemoved=TRUE;
|<96H8 KeyCount--;
U}x2,`PI break;
h
\hQ }
5? &k? v@ }
S#8wnHq }
Xai , return bRemoved;
CS)&A4`8 }
;EP 7q[ J^R))R= void VerifyWindow()
x$Ko|:- {
$]<C C ` for(int i=0;i<MAX_KEY;i++){
Mc#uWmc 7 if(hCallWnd
!=NULL){ lbZ,?wm
if(!IsWindow(hCallWnd)){ w}c1zpa
hCallWnd=NULL; -v'7;L0K
HotKey=0; B;r U
HotKeyMask=0; vvU;55-
KeyCount--; 8 P.t
} 17I{_C
} ID
&Iz
} _r0oOp E
} &^Zo}F2V
D}XyT/8G3
BOOL CHookApp::InitInstance() E{[c8l2B
{ mk2T
AFX_MANAGE_STATE(AfxGetStaticModuleState()); #I|Vyufw
hins=AfxGetInstanceHandle(); LYhgBG,
InitHotkey(); 7L|w~l7R~
return CWinApp::InitInstance(); pk%I98! Jy
} ,%w_E[2
@C k6s
int CHookApp::ExitInstance() wj!p6D;;S
{ 8 k9(iS
VerifyWindow(); nyWA(%N1
UnInit(); qL091P\F
return CWinApp::ExitInstance(); {+r
pMUs#
} LY'_U0y4
?7 e|gpQ|
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file yH#zyO4fD-
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) uc<XdFcu
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ VT96ph
#if _MSC_VER > 1000 ;{
u{FL
#pragma once QU|{(c
#endif // _MSC_VER > 1000 R"Nvnpm
S5*wUd*p#
class CCaptureDlg : public CDialog .;ml[DXH
{ "aHY]E{
// Construction nud,ag
public: PwU}<Hrl]
BOOL bTray; zNofI$U
BOOL bRegistered; 3Bee6N>
BOOL RegisterHotkey(); %Qgo0
UCHAR cKey; ^N#kW-i
UCHAR cMask; 'C)^hj.
void DeleteIcon(); '}dlVf
void AddIcon(); A8&yB;T$y
UINT nCount; $IX>o&S@|
void SaveBmp(); QDYS}{A:V
CCaptureDlg(CWnd* pParent = NULL); // standard constructor t_6sDr'.
// Dialog Data 5\8Ig f>
//{{AFX_DATA(CCaptureDlg) m8,P-m
enum { IDD = IDD_CAPTURE_DIALOG }; H_sLviYLu
CComboBox m_Key; {>tgNW>)
BOOL m_bControl; h@=H7oV7k
BOOL m_bAlt; VJJGTkm
BOOL m_bShift;
*>ju1f
CString m_Path; xRpL\4cs
CString m_Number; dRTtDH"%
//}}AFX_DATA 767xCP
// ClassWizard generated virtual function overrides z)xGZ*{=
//{{AFX_VIRTUAL(CCaptureDlg) H$au02dpU
public: ks<gSCB
virtual BOOL PreTranslateMessage(MSG* pMsg); Idop!b5!
protected: kD
dY
i7g>
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support 1,=U^W.G
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); hV#+joT8i
//}}AFX_VIRTUAL <Z{\3X^
// Implementation m663%b(5>
protected: u`dWU}m)
HICON m_hIcon; y K)7%j!
// Generated message map functions 3GUO
//{{AFX_MSG(CCaptureDlg) h.>6>5$n
virtual BOOL OnInitDialog(); v^2K=f[nE
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); A<2_V1
afx_msg void OnPaint(); `An|a~G1
afx_msg HCURSOR OnQueryDragIcon(); !yU!ta Q
virtual void OnCancel(); XKN`{h-@
afx_msg void OnAbout(); ke_Dd?
afx_msg void OnBrowse(); Q<B=m6~
afx_msg void OnChange(); P$S>=*`n
U
//}}AFX_MSG 6f,#O8]#5
DECLARE_MESSAGE_MAP() u:&gp
};
YqX/7b+
#endif VFz(U)._
2#~5[PtP^
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file NlXHOUw)u
#include "stdafx.h" x!fvSoHp
#include "Capture.h" KywDp 37^
#include "CaptureDlg.h" " NnUu8x
#include <windowsx.h> Os'
7h
#pragma comment(lib,"hook.lib") P9;
=O$s
#ifdef _DEBUG Lo
_5r T"
#define new DEBUG_NEW KArt4+31
#undef THIS_FILE e#JJd=
static char THIS_FILE[] = __FILE__; /*!K4)$-*2
#endif w^e<p~i!^E
#define IDM_SHELL WM_USER+1 9Slx.9f
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); Bm2"} =
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); A+w51Q
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; !:t}8
class CAboutDlg : public CDialog /> c F
{ y3@R>@$
public: M@EML
@~
CAboutDlg(); QyQ&xgS
// Dialog Data O`5PX(J1&
//{{AFX_DATA(CAboutDlg) Sx?IpcPSm
enum { IDD = IDD_ABOUTBOX }; jR`q y<
//}}AFX_DATA Tm~a&p
// ClassWizard generated virtual function overrides L^uO.eI"m
//{{AFX_VIRTUAL(CAboutDlg) \L}aTCvG
protected: &+;z`A'|8
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support vggyQf%
//}}AFX_VIRTUAL zC#[
// Implementation ^55#!/9
protected: }/q]:3M|
//{{AFX_MSG(CAboutDlg) +#7e?B
//}}AFX_MSG W- 5Z"m1I
DECLARE_MESSAGE_MAP() O`1_eK~1<
}; d|CSWcU
H4p N+
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) ts/rV#s~
{ FB-?{78~
//{{AFX_DATA_INIT(CAboutDlg) jPU:&1(_ n
//}}AFX_DATA_INIT iV;X``S
} u^T)4~(
&QFg=
void CAboutDlg::DoDataExchange(CDataExchange* pDX) Lb;:<
{ SVWtKc<
CDialog::DoDataExchange(pDX); 4%>iIPXi.(
//{{AFX_DATA_MAP(CAboutDlg) d6,SZ*AE
//}}AFX_DATA_MAP SE/GT:}
} *-"DZ
rKg~H=4x2
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) hvCX,^LoJ
//{{AFX_MSG_MAP(CAboutDlg) 5:v"^"S z
// No message handlers ':YFm
//}}AFX_MSG_MAP xD+n2:I{
END_MESSAGE_MAP() D]n9+!Ec1f
GyQu?`
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) s)X'PJ0&Bs
: CDialog(CCaptureDlg::IDD, pParent) ``KimeA~
{ 'oSs5lW
//{{AFX_DATA_INIT(CCaptureDlg) k/bY>FY2r
m_bControl = FALSE; @)=\q`vV
m_bAlt = FALSE; $?RxmWsP
m_bShift = FALSE; &6
.r=,BO
m_Path = _T("c:\\"); uz-O%R-
m_Number = _T("0 picture captured."); veX#K#
nCount=0; +I1>;
{{
bRegistered=FALSE; CUIT)mF:
bTray=FALSE; >8h14uCk
//}}AFX_DATA_INIT k+
[V%[U
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 %_Gc9SI
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); L:UJur%
} yop,%Fe
Ve\^(9n
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) 'jh9n7mH
{ [~e{58}J|
CDialog::DoDataExchange(pDX); WgX9k J
//{{AFX_DATA_MAP(CCaptureDlg) 6$]@}O^V
DDX_Control(pDX, IDC_KEY, m_Key); W2cgxT
DDX_Check(pDX, IDC_CONTROL, m_bControl); ?/"Fwjau
DDX_Check(pDX, IDC_ALT, m_bAlt); _Bh-*e2k
DDX_Check(pDX, IDC_SHIFT, m_bShift); Za,rht
DDX_Text(pDX, IDC_PATH, m_Path); )fSO|4
DDX_Text(pDX, IDC_NUMBER, m_Number); a{*r^m'N
//}}AFX_DATA_MAP Dn/{ s$\
} j)?[S
NvCq5B$C
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) S9BwCKH
//{{AFX_MSG_MAP(CCaptureDlg) \yDr
ON_WM_SYSCOMMAND() j"g[qF/*
ON_WM_PAINT() NKyaR_q`
ON_WM_QUERYDRAGICON() O#Y;s;)i"
ON_BN_CLICKED(ID_ABOUT, OnAbout)
<sdC#j
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) 17IT:T,'
ON_BN_CLICKED(ID_CHANGE, OnChange) esE5#Yq4.k
//}}AFX_MSG_MAP z+IHt(
END_MESSAGE_MAP() O*%
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pxC:VJ;
BOOL CCaptureDlg::OnInitDialog() n:QFwwQ`Q;
{ ^yLiyR e\
CDialog::OnInitDialog(); Qb "\j
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); eru2.(1
ASSERT(IDM_ABOUTBOX < 0xF000); es]S]}JV
CMenu* pSysMenu = GetSystemMenu(FALSE); @~WSWlQW
if (pSysMenu != NULL) {[B^~Y>Lr
{ g=iPv3MG
CString strAboutMenu; ]M2<b:yo
strAboutMenu.LoadString(IDS_ABOUTBOX); )Pr*\<Cld
if (!strAboutMenu.IsEmpty()) ,EhQTVJ
{ HCj/x<*F
pSysMenu->AppendMenu(MF_SEPARATOR); J*V@huF
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); rqa?A}'
} q u>5 rg-
} @N^?I*|u
SetIcon(m_hIcon, TRUE); // Set big icon ~+ _|J"\
SetIcon(m_hIcon, FALSE); // Set small icon $'m&RzZ
m_Key.SetCurSel(0); %K@s0uQ
RegisterHotkey(); _g{*;?mS
CMenu* pMenu=GetSystemMenu(FALSE); kQm\f
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); lJZ-*"9V
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); 7,vvL8\NHu
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); >v1E;-ZA
return TRUE; // return TRUE unless you set the focus to a control B_Qi
} A\Ax5eeL
^)-* Ubzz
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) P|M#S9^]
{ v(Vm:oK,
if ((nID & 0xFFF0) == IDM_ABOUTBOX) .4I"[$?Q
{ *hugQh]a
CAboutDlg dlgAbout; 8Ter]0M&
dlgAbout.DoModal(); Hz A+Oi
} BEU^,r3z
else Hzos$1DJ
{ Fh)`A5#
CDialog::OnSysCommand(nID, lParam); wD9Gl.uQ
} bD*z"e
} TF0DQP
P?QVT;]
void CCaptureDlg::OnPaint() X MkyX&y
{ bKAR}JM&
if (IsIconic()) QtF'x<cB
{ W_]Su
CPaintDC dc(this); // device context for painting 52RFB!Z[
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); {'(1c)q>
// Center icon in client rectangle 0iy-FV;J
int cxIcon = GetSystemMetrics(SM_CXICON); kqyVUfX$3
int cyIcon = GetSystemMetrics(SM_CYICON); )Fa6'M
CRect rect; C3m](%?
GetClientRect(&rect); +i %,+3#6
int x = (rect.Width() - cxIcon + 1) / 2; u<}PcI.
int y = (rect.Height() - cyIcon + 1) / 2; ux8:
// Draw the icon HTpoYxn(
dc.DrawIcon(x, y, m_hIcon); ^;KL`
} (C1@f!Z
else >pS@;t'
{ dV~yIxD}C*
CDialog::OnPaint(); T[$! ^WT
} CO+[iJ,4C+
} P5&mpl1
ss8de9T"'
HCURSOR CCaptureDlg::OnQueryDragIcon() /CXrxeo
{ PA=.)8
return (HCURSOR) m_hIcon; 9lT6fW`v1Q
} iJIDx9 )Z
d{~5tv- H
void CCaptureDlg::OnCancel() =CCxY7)M+.
{ 4^? J BpBZ
if(bTray) w_*UFLMSqR
DeleteIcon(); !;[cm|<