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:
_ o6Zj1p
_.GHtu/I 一、实现方法
uF@DJX}> !$0ozDmD 热键管理DLL实际上是一个键盘钩子,由它来监视系统的键盘事件。如果有和程序登记符合的按键组合就通知该程序的窗口。为了应用方便,本实例把它做成了一个标准的管理库来为其它的程序通过热键服务,它有两个输出函数:AddHotkey()和DeleteHotkey(),程序只需要调用这两个函数就可以了,如果编译之后不用改变热键,则只需要AddHotkey就可以了。DLL中的所有的全局变量都放在一个共享段中,定义如下:
e$-Y>Dd "2
qivJ #pragma data_seg("shareddata")
F,xFeq$/{ HHOOK hHook =NULL; //钩子句柄
@(m?j1!M UINT nHookCount =0; //挂接的程序数目
ZY)&Fam} static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
)%I62<N,z static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
1[(/{CClB static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
B5qlU4km& static int KeyCount =0;
~T\:".C static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
:w9s bW #pragma data_seg()
9d+z?J: E>1%7"
i< 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|!%IO. V}/AQe2m& 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:
R@[1a+}5 AYoLpes BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
^%RIz!} cKey,UCHAR cMask)
f!}e*oX {
5"7lWX BOOL bAdded=FALSE;
i)MJP * for(int index=0;index<MAX_KEY;index++){
d?jzh1 if(hCallWnd[index]==0){
^4
~ V/ hCallWnd[index]=hWnd;
i=`@)E HotKey[index]=cKey;
)VkH':yCM HotKeyMask[index]=cMask;
bx3kd+J7 bAdded=TRUE;
$_u)~O4$ KeyCount++;
kXZG<? break;
$G#)D^-5G }
+Y440Tz }
Y#oY'S .;y return bAdded;
wN$u^] }
NU%W9jQYS //删除热键
M~djX} #\ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
jGKI|v4U( {
,Y27uey{wa BOOL bRemoved=FALSE;
joJQ?lG for(int index=0;index<MAX_KEY;index++){
=R||c if(hCallWnd[index]==hWnd){
~=c[?: if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
'8"$:y hCallWnd[index]=NULL;
j7=x&)qbx HotKey[index]=0;
zy@
nBi^ HotKeyMask[index]=0;
dJ=z'?|%g bRemoved=TRUE;
2~!+EH
KeyCount--;
&&|c-mD+* break;
2PEA<{u }
pa6-3c }
F)uS2 }
c~n:xblv return bRemoved;
<):= mr7 }
;
Ne|H$N Y2P%0 l#!6
tw+e? DLL中的钩子函数如下:
+Am\jsq oz?pE[[tm LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
W< :7z {
4w(#`'I> BOOL bProcessed=FALSE;
YjwC8#$ if(HC_ACTION==nCode)
[UYE.$Y#( {
PG'+vl if((lParam&0xc0000000)==0xc0000000){// 有键松开
\t%rIr switch(wParam)
m7.6;k. {
6 9EdMuf case VK_MENU:
)\fLS d MaskBits&=~ALTBIT;
P~ODd( break;
c>yqq' case VK_CONTROL:
//-;uEO MaskBits&=~CTRLBIT;
</)HcRj'e break;
M%1wT9 case VK_SHIFT:
(b;*8 MaskBits&=~SHIFTBIT;
"1>48Z-UC break;
hd_<J]C default: //judge the key and send message
FKk.BA957h break;
T8-,t];i }
TCetd#;R for(int index=0;index<MAX_KEY;index++){
K_CE.8G&{ if(hCallWnd[index]==NULL)
iCh,7I,m continue;
6@geakq if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
^z}$'<D9 {
(2p<I)t SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
cP`[/5R bProcessed=TRUE;
H+F># }
K}9 c$C4 }
geSH3I
}
}(Dt,F` else if((lParam&0xc000ffff)==1){ //有键按下
*_!}g
] switch(wParam)
F4
:#okt {
FR? \H"'x case VK_MENU:
2H2Yxe7? - MaskBits|=ALTBIT;
PNhxF C. break;
[vyi_0[ case VK_CONTROL:
>}6V=r3[+ MaskBits|=CTRLBIT;
5 p! rZ break;
hSF4-Vvb case VK_SHIFT:
_!Ir|j.A MaskBits|=SHIFTBIT;
;A;FR3=) break;
$ {5|{` default: //judge the key and send message
!ui:0_ break;
IO}53zn<l }
><3!J+<? for(int index=0;index<MAX_KEY;index++){
D:vX/mf;7 if(hCallWnd[index]==NULL)
~mK|~x01@ continue;
aXRf6:\% if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
$I:&5 o i {
oeIza<:=R SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
o=y0=,:a?9 bProcessed=TRUE;
_"688u'88 }
o-r00H| }
Z@QJ5F1y }
;FO( mL ( if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
H&E3RU>` for(int index=0;index<MAX_KEY;index++){
DRuG5| {I: if(hCallWnd[index]==NULL)
YK6zN>M}E continue;
XX[CTh?O% if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
7dtkylW SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
X>4qL'b:z //lParam的意义可看MSDN中WM_KEYDOWN部分
hmM2c15T5 }
:~%{ }
|.Vs(0O }
b,):&M~p return CallNextHookEx( hHook, nCode, wParam, lParam );
x4%1P w }
[ T!0ka +jN%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:
5tQZf'pHfd 5><KTya?= BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
IT=<p60" BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
mVNHH! XAw0Nn 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:
xmNs<mz e]q(fPK LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
8m"jd+ {
$v0beN6MG if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
HGl.dO7NU {
=@y
?Np^A //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
~zph,bk SaveBmp();
o GN*p_g return FALSE;
/+ Q3JS( }
l7vxTj@(- …… //其它处理及默认处理
tiQeON-Q_ }
((cRe6 W}aCU~ lXOT>$qR< 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。
qEajT"? ~x6<A\ 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。
"#G`F g=L80$1 二、编程步骤
(,OF<<OH ^g
N/ 5 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";
$i]G'fj AtYqD<hl: 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
.-4]FGg3 SBh"^q 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;
U2vM|7]VP jHQnD]Hr 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;
j`:D BO&)\ P]%)c6Uh 5、 添加代码,编译运行程序。
/wT<p J1g+H2 三、程序代码
Eu|O<9U\ ,4H/>yPw ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
H?cJ'Q,5 #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
br%l>Y\" #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
?'RB'o~ #if _MSC_VER > 1000
lFZl}x #pragma once
|*n
B2 #endif // _MSC_VER > 1000
,Vfjt=6]} #ifndef __AFXWIN_H__
)];Bo.QA #error include 'stdafx.h' before including this file for PCH
"X,*VQl: #endif
/_qW?LKG/ #include "resource.h" // main symbols
DVz_;m6) class CHookApp : public CWinApp
p-XO4Pc6 {
gAr=fq-| public:
]8/g[Ii CHookApp();
0,5)L\{
R // Overrides
hI 1or4V // ClassWizard generated virtual function overrides
\dJOZ2J<z //{{AFX_VIRTUAL(CHookApp)
=:BTv[lv public:
Z]08gH virtual BOOL InitInstance();
PnZC
I!Mw virtual int ExitInstance();
UU*v5& //}}AFX_VIRTUAL
dCpDA a3 //{{AFX_MSG(CHookApp)
_o7t| pl~ // NOTE - the ClassWizard will add and remove member functions here.
zEk/15 // DO NOT EDIT what you see in these blocks of generated code !
,{X}C //}}AFX_MSG
A~({vb' DECLARE_MESSAGE_MAP()
;(&S1Rv9 };
D`R~d;U~ LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
SFR<T BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
;cfPS BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
z)Lw\H^/ BOOL InitHotkey();
lKG' KR. BOOL UnInit();
)fQ1U #endif
7j8lhrM}^ 53WCF[ //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
6{!Cx9V #include "stdafx.h"
DM,)nh6' #include "hook.h"
kgh0 #include <windowsx.h>
(7Ln~J* #ifdef _DEBUG
pGd@%/]AO #define new DEBUG_NEW
Z rv:uEl #undef THIS_FILE
o 3JSh= static char THIS_FILE[] = __FILE__;
F-Bj #endif
==AmL]* #define MAX_KEY 100
mgMa)yc!dp #define CTRLBIT 0x04
otX/sg.B* #define ALTBIT 0x02
jss.j~8 #define SHIFTBIT 0x01
xVk5% #pragma data_seg("shareddata")
|y
pXO3 HHOOK hHook =NULL;
<$??Z;6 UINT nHookCount =0;
h"7~`!"~ static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
XK&G `cJ[ static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
-2'1KAk-W static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
+{0v@6<(02 static int KeyCount =0;
>&ENrvaJ static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
0f#xyS 3 #pragma data_seg()
%,(X R` HINSTANCE hins;
@FZbp void VerifyWindow();
^.9DfA0 BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
ohjl*dw //{{AFX_MSG_MAP(CHookApp)
2"HG6"Rr // NOTE - the ClassWizard will add and remove mapping macros here.
WPAT\Al&AE // DO NOT EDIT what you see in these blocks of generated code!
G=]ox*BY //}}AFX_MSG_MAP
td7Of(k' END_MESSAGE_MAP()
&0i$Y\g Fw:_O2 CHookApp::CHookApp()
mLx=Zes:. {
bYO['ORr@ // TODO: add construction code here,
,^RZ1tLz // Place all significant initialization in InitInstance
n?U^vK_ }
[bw1!X3 O?ODfO+> CHookApp theApp;
g(9kc<`3'D LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
/_qHF- {
#Vu;R5GZ} BOOL bProcessed=FALSE;
1'N<ITb if(HC_ACTION==nCode)
v*OV\h. {
!_FTy^@c2 if((lParam&0xc0000000)==0xc0000000){// Key up
nxB[To*P switch(wParam)
zz!jt
A {
/b\c<'3NY case VK_MENU:
`~z[Hj=2 MaskBits&=~ALTBIT;
zhJ0to[%? break;
(%OZ `?` case VK_CONTROL:
"j&'R#$&d MaskBits&=~CTRLBIT;
bB>.dC break;
xS>vmnW case VK_SHIFT:
\d*ts(/a* MaskBits&=~SHIFTBIT;
\~g,;>%7Y break;
S*gm[ZLQ default: //judge the key and send message
#^BttI break;
\t5_V)P }
!9.FI{W for(int index=0;index<MAX_KEY;index++){
e{9~m if(hCallWnd[index]==NULL)
\B^NdG5Y continue;
M4D @G if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
_a f $0! {
cUr!U\X[ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
SU1N*k#-o bProcessed=TRUE;
?4oP=. }
TW|- 0
}
vZW[y5 }
8+J>jZ else if((lParam&0xc000ffff)==1){ //Key down
plp-[eKcD switch(wParam)
J.'%=q(Sb {
mz+UkA' case VK_MENU:
fs?H MaskBits|=ALTBIT;
;6~5FTmV break;
Eh)VT{vp case VK_CONTROL:
.cHkh^EDY MaskBits|=CTRLBIT;
%`QgG break;
|}.}q case VK_SHIFT:
zvVo-{6 MaskBits|=SHIFTBIT;
bkc*it break;
hNhEA $X5 default: //judge the key and send message
v K[%cA" break;
Ctn
4q'Q }
z:$ibk4#h for(int index=0;index<MAX_KEY;index++)
hO&_VCk {
TEh.?
if(hCallWnd[index]==NULL)
#4lIna%VX continue;
p_(En4QSH if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
rlGv6)vb {
gO)":!_n W SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
)$1>6C\ bProcessed=TRUE;
T2/:C7zL }
a+cDH }
gb|;]mk*" }
]%y>l j?Y if(!bProcessed){
46pR!k for(int index=0;index<MAX_KEY;index++){
J8i,[,KcE if(hCallWnd[index]==NULL)
~\8(+qIv%f continue;
i/skU9 if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
KPI96P SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
3h:y[Vm#9y }
Fi67 "*gE }
7F6B }
/`7+Gy< return CallNextHookEx( hHook, nCode, wParam, lParam );
Mn/@?K?y }
'A^q)hpax [61*/=gWe BOOL InitHotkey()
2aX*|DGpw {
f*B-aj# if(hHook!=NULL){
dJ
m9''T') nHookCount++;
~D>pu%F return TRUE;
KX]!yA }
3F@P$4!#l else
Eh ";irE hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
W7
dSx if(hHook!=NULL)
BV`\6SM~ nHookCount++;
vXRY/Zzj1 return (hHook!=NULL);
KyfH8Na? }
/.<v,CR BOOL UnInit()
|oke)w=gn {
P!E2.K, if(nHookCount>1){
/1v9U|j nHookCount--;
KMz!4N return TRUE;
)S(Ly. }
P3: t
4^ BOOL unhooked = UnhookWindowsHookEx(hHook);
?q9]H5\ if(unhooked==TRUE){
[#q]B=JB nHookCount=0;
-PAEJn5$O hHook=NULL;
<y] 67:"<v }
QcW8A ,\q return unhooked;
3_Xu3hNH! }
>>,G3/Zd* #}FUa u$ BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
sqtz^K ROM {
Mh4MaLw
BOOL bAdded=FALSE;
D,ZLo~ for(int index=0;index<MAX_KEY;index++){
|DJ8
"T]E if(hCallWnd[index]==0){
+IWH7 qRtp hCallWnd[index]=hWnd;
#YYJ4^":k HotKey[index]=cKey;
~cCMLK em HotKeyMask[index]=cMask;
5C9b*]-# bAdded=TRUE;
e5>'H!) KeyCount++;
V7Cnu:0_ break;
"H).2{3(x }
fDf[:A,8 }
DJL.P6 -W return bAdded;
<cp9+P < }
'v~'NWfd PnA{@n\ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
JRo/ HY+ {
v/q-{1 BOOL bRemoved=FALSE;
0DmA3 for(int index=0;index<MAX_KEY;index++){
xBVOIc[4( if(hCallWnd[index]==hWnd){
z6C(?R if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
AtG~!)hG hCallWnd[index]=NULL;
_(F-(X| HotKey[index]=0;
d@$|zr6 HotKeyMask[index]=0;
pWGR#x' bRemoved=TRUE;
]`|$nU}v KeyCount--;
w,LmAWZ4Y break;
{:K_=IRZ }
0_gN]>,9n }
)*;Tt @'y }
vKG\8+ return bRemoved;
Giv,%3' }
%7 bd}sJ# su1lv# void VerifyWindow()
p)yP_P {
q2vD)r for(int i=0;i<MAX_KEY;i++){
1N8] ~j if(hCallWnd
!=NULL){ UxTLr-db^
if(!IsWindow(hCallWnd)){ !S':G
hCallWnd=NULL; k.ou$mIY
HotKey=0; X3l>GeUi
HotKeyMask=0; 2!J#XzR0W
KeyCount--; II=`=H{
} 7 H
} y9 {7+]
} %Hbq3U30
} |l;
Ot=C=
qjP~F
BOOL CHookApp::InitInstance() W^tD6H;
{ '"
"v7
AFX_MANAGE_STATE(AfxGetStaticModuleState()); A-CU%G9
hins=AfxGetInstanceHandle(); S} m=|3%y
InitHotkey(); 't5ufAT
return CWinApp::InitInstance(); #cfiN b}GX
} K$,Zg
5wx_ol}2
int CHookApp::ExitInstance() JY#vq'dl|
{ X3:z=X&Zd
VerifyWindow(); _-_iw&F
UnInit(); $*#^C;7O
return CWinApp::ExitInstance(); qPq]%G*{
} [<RhaZz
x|~8?i$%
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file /grTOf&
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) f,TW|Y'{g
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ MeEa| .
#if _MSC_VER > 1000 T UcFx_
#pragma once "/Qz?1>l+
#endif // _MSC_VER > 1000 F?Lt-a+
6VGY4j}:(
class CCaptureDlg : public CDialog "`49m7q1H
{ f CU]
// Construction *#Cx-J
public: oe|#!SM(
BOOL bTray; oRWje#4O
BOOL bRegistered; fs'SCwx
BOOL RegisterHotkey(); kXwAw]ogN
UCHAR cKey; c4tw)O-X
UCHAR cMask; 9Y:I)^ek
void DeleteIcon(); 5^g*
void AddIcon(); vhfjZ
UINT nCount; ]].~/kC^3k
void SaveBmp(); t`Z'TqP R
CCaptureDlg(CWnd* pParent = NULL); // standard constructor og}Ri!^
// Dialog Data 'Cc~|gOgD
//{{AFX_DATA(CCaptureDlg) >3uNh:|>/
enum { IDD = IDD_CAPTURE_DIALOG }; ,eyh%k*hz
CComboBox m_Key; 8_('[89m
BOOL m_bControl; O
k`}\NZL
BOOL m_bAlt; yJ $6vmQ
BOOL m_bShift; _re# b?
CString m_Path; 4Hj)Av<O(
CString m_Number; c;VqEpsbl
//}}AFX_DATA zC2:c"E
I
// ClassWizard generated virtual function overrides BPO5=]W 7
//{{AFX_VIRTUAL(CCaptureDlg) X0;u7g2Yz
public: =0ZRGp
virtual BOOL PreTranslateMessage(MSG* pMsg); !?P8[K
protected: xuK"pS
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support \?xM%(:<Q
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); |4df)
//}}AFX_VIRTUAL xb,d,(^ ]R
// Implementation )^ah, ;(
protected: [CJ<$R !
HICON m_hIcon; ^K?-+
// Generated message map functions U]cXE1c>F
//{{AFX_MSG(CCaptureDlg) qbv\uYow3k
virtual BOOL OnInitDialog(); >WSh)(Cg
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); PK[mf\G\
afx_msg void OnPaint(); h9)S&Sk{s
afx_msg HCURSOR OnQueryDragIcon(); ybBmg'198
virtual void OnCancel(); {18hzhs
afx_msg void OnAbout(); tMxde+$y
afx_msg void OnBrowse(); ZxF`i>/h
afx_msg void OnChange(); ;4rhhh&