{"id":166,"date":"2014-07-08T22:36:37","date_gmt":"2014-07-09T07:36:37","guid":{"rendered":"http:\/\/blog.box.kr\/?p=166"},"modified":"2014-07-08T22:36:37","modified_gmt":"2014-07-09T07:36:37","slug":"%eb%a9%94%ec%8b%9c%ec%a7%80-%ed%9b%85message-hook","status":"publish","type":"post","link":"https:\/\/blog.box.kr\/?p=166","title":{"rendered":"\uba54\uc2dc\uc9c0 \ud6c5(Message Hook)"},"content":{"rendered":"

\uba54\uc2dc\uc9c0 \ud6c5(Message Hook)<\/strong><\/p>\n

 <\/p>\n

\ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uba54\uc2dc\uc9c0\ub97c \uac10\uc2dc\ud558\uba74\uc11c \ud2b9\uc815 \uba54\uc2dc\uc9c0\uac00 \ucc98\ub9ac\ub418\uae30 \uc804\uc5d0 \ud574\ub2f9 \uba54\uc2dc\uc9c0\ub97c \uac00\ub85c\ucc44\uc5b4 \ubcc4\ub3c4\ub85c \uc815\uc758\ub41c \uae30\ub2a5\uc744 \uc218\ud589\ud558\ub3c4\ub85d \uc9c0\uc6d0\ud558\ub294 \ud504\ub85c\uadf8\ub798\ubc0d \uae30\ubc95\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n

\uc774\ub7ec\ud55c \ub9e4\ucee4\ub2c8\uc998\uc744 \uc774\uc6a9\ud558\uc5ec \ub2e4\ub978 \ud504\ub85c\uadf8\ub7a8\uc758 \ucc98\ub9ac\uac00 \uc77c\uc5b4\ub098\uae30 \uc804\uc5d0 \uc6d0\ud558\ub294 \uae30\ub2a5\uc744 \uc218\ud589\ud558\ub3c4\ub85d \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

1. \ud6c5\uc758 \uc885\ub958<\/p>\n

1) \uc804\uc5ed \ud6c5<\/p>\n

\uc708\ub3c4\uc6b0 \uc804\uccb4 \uc601\uc5ed\uc5d0 \ubc1c\uc0dd\ud558\ub294 \uba54\uc2dc\uc9c0\ub97c \uac10\uc2dc<\/p>\n

\ubcc4\ub3c4\uc758 dll \ud30c\uc77c\ub85c \uc874\uc7ac\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

2) \ub85c\uceec \ud6c5<\/p>\n

\ud604\uc7ac \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uba54\uc2dc\uc9c0\ub97c \uac10\uc2dc<\/p>\n

2. \ub85c\uceec \ud6c5 \uc0ac\uc6a9 \ubc29\ubc95<\/p>\n

1) \ud6c5 \ud504\ub85c\uc2dc\uc800 \uc791\uc131<\/p>\n

LRESULT CALLBACK HookProc(int nCode, WPARAM wParam, LPARAM lParam)<\/p>\n

nCode\ub294 \ud6c5 \ud504\ub85c\uc2dc\uc800\uac00 \ucc98\ub9ac\ud574\uc57c \ud560 \uc791\uc5c5\uc744 \uc2dd\ubcc4\ud558\uae30 \uc704\ud55c \ucf54\ub4dc\uac00 \uc9c0\uc815\ub418\uace0 wParam, lParam\uc5d0\ub294 nCode\uac12\uc5d0 \ub530\ub974\ub294 \ubd80\uac00 \uc815\ubcf4\uac00 \uc804\ub2ec\ub429\ub2c8\ub2e4.<\/p>\n

\uc774 \ub54c nCode\uac12\uc774 0\ubcf4\ub2e4 \uc791\ub2e4\uba74 \ub354 \uc774\uc0c1 \ucc98\ub9ac\ud558\uc9c0 \uc54a\uace0 \ub2e4\uc74c \ud6c5 \ud504\ub85c\uc2dc\uc800\uc5d0\uac8c\ub85c \uc81c\uc5b4\ub97c \ub118\uaca8\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\uc608)<\/p>\n

LRESULT CALLBACK KeyboardHookProc(int nCode, WPARAM wParam, LPARAM lParam)<\/p>\n

{<\/p>\n

HDC hdc;<\/p>\n

TCHAR s[256];<\/p>\n

if(nCode < 0)<\/p>\n

{<\/p>\n

return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam);<\/p>\n

}<\/p>\n

hdc = GetDC(ghWnd);<\/p>\n

wsprintf(s, “Hooked Key Code = %3d.”, wParam);<\/p>\n

TextOut(hdc, 50, 50, s, lstrlen(s));<\/p>\n

ReleaseDC(ghWnd, hdc);<\/p>\n

return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam);<\/p>\n

\/\/ \ubaa8\ub4e0 \ucc98\ub9ac\uac00 \uc885\ub8cc\ub418\uba74 \ub2e4\uc74c \ud6c5 \ud504\ub85c\uc2dc\uc800\uc5d0\uac8c \uc804\ub2ec<\/p>\n

}<\/p>\n

 <\/p>\n

2) \ud6c5 \ud504\ub85c\uc2dc\uc800\ub97c \ud6c5 \uccb4\uc778\uc5d0 \ub4f1\ub85d<\/p>\n

HHOOK SetWindowsHookEx(int idHook, HOOKPROC lpfn, HINSTANCE hMod, DWORD dwThreadId);<\/p>\n

\uc124\uce58 \ub41c \ud6c4 \ud6c5 \ud504\ub85c\uc2dc\uc800\uc758 \ud578\ub4e4\uc744 \ubc18\ud658\ud558\uba70 \uccab \ubc88\uc9f8 \uc778\uc790\ub294 \uc124\uce58\ub420 \ud6c5 \ud504\ub85c\uc2dc\uc800\uc758 \ud0c0\uc785\uc744 \uc815\uc758\ud558\ub294 \uc2dd\ubcc4\uc790\uac00 \ub418\uba70 \uc544\ub798\uc640 \uac19\uc740 \uac12\ub4e4\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

WH_KEYBOARD: \ud0a4\ubcf4\ub4dc \uba54\uc2dc\uc9c0\ub97c \ubaa8\ub2c8\ud130\ub9c1<\/p>\n

WH_MOUSE: \ub9c8\uc6b0\uc2a4 \uba54\uc2dc\uc9c0\ub97c \ubaa8\ub2c8\ud130\ub9c1<\/p>\n

WH_GETMESSAGE: \uba54\uc2dc\uc9c0 \ud050\ub85c \ubcf4\ub0b4\ub294 \uba54\uc2dc\uc9c0\ub97c \ubaa8\ub2c8\ud130\ub9c1<\/p>\n

WH_CALLWNDPROC: \uc708\ub3c4\uc6b0\uc5d0\uac8c \ubcf4\ub0b4\uc9c0\ub294 \uba54\uc2dc\uc9c0\ub97c \ubaa8\ub2c8\ud130\ub9c1<\/p>\n

\ub450 \ubc88\uc9f8 \uc778\uc790\ub294 \ud6c5 \ud504\ub85c\uc2dc\uc800\uc758 \uc8fc\uc18c\uac00 \uc804\ub2ec\ub418\uc5b4\uc57c \ud558\uace0 \uc138 \ubc88\uc9f8 \uc778\uc790\ub294 \ud6c5 \ud504\ub85c\uc2dc\uc800\uac00 \uc874\uc7ac\ud558\ub294 dll \ud578\ub4e4\uc744 \uc9c0\uc815\ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n

\ub9c8\uc9c0\ub9c9 \uc778\uc790\ub294 \uc2a4\ub808\ub4dc ID\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/p>\n

\uc0d8\ud50c)<\/p>\n

hKeyboardHook = SetWindowsHookEx(WH_KEYBOARD, KeyboardHookProc, NULL, GetCurrentThreadId());<\/p>\n

3) \ud6c5 \ud504\ub85c\uc2dc\uc800\ub97c \ud6c5 \uccb4\uc778\uc5d0\uc11c \ud574\uc81c<\/p>\n

UnhookWindowsHookEx(HHOOK hhk)<\/p>\n

Hhk\ub294 SetWindowsHookEx\uac00 \ubc18\ud658\ud558\ub294 \ud504\ub85c\uc2dc\uc800\uc758 \ud578\ub4e4\uc744 \uc9c0\uc815\ud558\uba74 \ub429\ub2c8\ub2e4.<\/p>\n

 <\/p>\n

\uc608\uc81c)<\/p>\n

1. MFC \ud504\ub85c\uc81d\ud2b8 \uc0dd\uc131(SDI \uc635\uc158\uc73c\ub85c CHookTest)<\/p>\n

2. APP \ud074\ub798\uc2a4\uc5d0 \uc804\uc5ed\ubd80\uc5d0 \ud568\uc218\uc640 \ubcc0\uc218 \uc120\uc5b8<\/p>\n

HHOOK hKeyboardHook;<\/p>\n

HHOOK hMouseHook;<\/p>\n

LRESULT CALLBACK KeyboardHookProc(int nCode, WPARAM wParam, LPARAM lParam)<\/p>\n

{<\/p>\n

TCHAR s[256];<\/p>\n

CMainFrame *pMain = (CMainFrame *)AfxGetMainWnd();<\/p>\n

CCHookTestView *pView = (CCHookTestView *)pMain->GetActiveView();<\/p>\n

CClientDC dc(pView);<\/p>\n

if(nCode < 0)<\/p>\n

{<\/p>\n

return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam);<\/p>\n

}<\/p>\n

wsprintf(s, TEXT(“Key Code = %3d.”), wParam);<\/p>\n

dc.TextOut(50, 50, s, lstrlen(s));<\/p>\n

return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam);<\/p>\n

}<\/p>\n

 <\/p>\n

LRESULT CALLBACK MouseHookProc(int nCode, WPARAM wParam, LPARAM lParam)<\/p>\n

{<\/p>\n

CMainFrame *pMain = (CMainFrame *)AfxGetMainWnd();<\/p>\n

CCHookTestView *pView = (CCHookTestView *)pMain->GetActiveView();<\/p>\n

CClientDC dc(pView);<\/p>\n

TCHAR s[256];<\/p>\n

if(nCode < 0)<\/p>\n

{<\/p>\n

return CallNextHookEx(hMouseHook, nCode, wParam, lParam);<\/p>\n

}<\/p>\n

wsprintf(s, TEXT(“Mouse\uc758wParam = [%d]lParam = [%d]”),<\/p>\n

wParam, lParam);<\/p>\n

dc.TextOut(50, 100, s, lstrlen(s));<\/p>\n

return CallNextHookEx(hMouseHook, nCode, wParam, lParam);<\/p>\n

}<\/p>\n

3. App \ud074\ub798\uc2a4\uc758 InitInstance\uc5d0 \uc791\uc131<\/p>\n

hKeyboardHook = SetWindowsHookEx(WH_KEYBOARD, KeyboardHookProc,<\/p>\n

NULL, GetCurrentThreadId());<\/p>\n

hMouseHook = SetWindowsHookEx(WH_MOUSE, MouseHookProc,<\/p>\n

NULL, GetCurrentThreadId());<\/p>\n

 <\/p>\n

3. \uc804\uc5ed \ud6c5<\/p>\n

\uc608\uc81c)<\/p>\n

1. Win32 DLL \ud504\ub85c\uc81d\ud2b8 \uc0dd\uc131(GlobalHookProc) \u2013 \uc815\uc801\uc73c\ub85c \uc0dd\uc131<\/p>\n

2. 3\uac1c\uc758 \ud568\uc218 \uc120\uc5b8<\/p>\n

#pragmadata_seg(“.ShareData”)<\/p>\n

HHOOK hook = NULL;<\/p>\n

HWNDhWnd = NULL;<\/p>\n

#pragmadata_seg()<\/p>\n

#pragmacomment(linker, “\/section:.ShareData,rws”)<\/p>\n

HINSTANCE hInstance = NULL;<\/p>\n

#define WM_HOOKEDWM_USER+1<\/p>\n

extern”C”__declspec(dllexport) LRESULT CALLBACK HookProc(int nCode, WPARAM wParam, LPARAM lParam)<\/p>\n

{<\/p>\n

if(nCode < 0)<\/p>\n

{<\/p>\n

return CallNextHookEx(hook, nCode, wParam, lParam);<\/p>\n

}<\/p>\n

if((lParam & 0x80000000) == 0x00000000)<\/p>\n

{<\/p>\n

hWnd = FindWindow(NULL, _T(“GlobalHookApp”));<\/p>\n

if(hWnd == NULL)<\/p>\n

{<\/p>\n

MessageBox(NULL, _T(“GlobalHookApp \uc708\ub3c4\uc6b0\ub97c\ucc3e\uc744\uc218\uc5c6\uc2b5\ub2c8\ub2e4.”), _T(“\uacbd\uace0”), MB_OK);<\/p>\n

}<\/p>\n

PostMessage(hWnd, WM_HOOKED, wParam, lParam);<\/p>\n

}<\/p>\n

return CallNextHookEx(hook, nCode, wParam, lParam);<\/p>\n

}<\/p>\n

 <\/p>\n

extern”C”__declspec(dllexport) void InstallHookProc(HWND hwnd)<\/p>\n

{<\/p>\n

hWnd = hwnd;<\/p>\n

hook = SetWindowsHookEx(WH_KEYBOARD, HookProc, hInstance, 0);<\/p>\n

if(hook == NULL)<\/p>\n

{<\/p>\n

MessageBox(NULL, _T(“Hook Procedure \ub97c\uc124\uce58\ud560\uc218\uc5c6\uc2b5\ub2c8\ub2e4.”), _T(“\uc624\ub958”), MB_OK);<\/p>\n

}<\/p>\n

}<\/p>\n

extern”C”__declspec(dllexport) void UnInstallHookProc()<\/p>\n

{<\/p>\n

UnhookWindowsHookEx(hook);<\/p>\n

}<\/p>\n

3. \ud504\ub85c\uc81d\ud2b8\ub97c \ube4c\ub4dc\ud558\uace0 \ucef4\ud30c\uc77c<\/p>\n

 <\/p>\n

4. \uc704\uc758 DLL\uc744 \uc0ac\uc6a9\ud560 \ud504\ub85c\uc81d\ud2b8 \uc0dd\uc131(\ub300\ud654\uc0c1\uc790 \uae30\ubc18 \u2013 GlobalHookApp)<\/p>\n

5. \ub300\ud654\uc0c1\uc790 \ub514\uc790\uc778<\/p>\n

\ub9ac\uc2a4\ud2b8 \ubc15\uc2a4\uc5d0 \ubcc0\uc218 \uc5f0\uacb0 \u2013 Control Type: m_ListBox<\/p>\n

\ud6c4\ud0b9 \uc2dc\uc791 \ubc84\ud2bc\uc5d0 \ubcc0\uc218 \uc5f0\uacb0 – Control Type: m_Button<\/p>\n

6. \ub2e4\uc774\uc5bc\ub85c\uadf8 \ud074\ub798\uc2a4\uc5d0 \ubcc0\uc218 \uc120\uc5b8<\/p>\n

HINSTANCE hDllInstance;<\/p>\n

int m_ListBoxLoc;<\/p>\n

BOOL IsHooked;<\/p>\n

7. Dlg \ud074\ub798\uc2a4\uc5d0 \ub9e4\ud06c\ub85c \uc815\uc758<\/p>\n

#define WM_HOOKEDWM_USER+1<\/p>\n

 <\/p>\n

8. Dialog \ud074\ub798\uc2a4\uc758 OnInitDialg\uc5d0 \uc791\uc131<\/p>\n

hDllInstance = LoadLibrary(_T(“GlobalHookProc.dll”));<\/p>\n

if(hDllInstance == NULL)<\/p>\n

{<\/p>\n

AfxMessageBox(_T(“GlobalHookProc.dll \ud30c\uc77c\ub85c\ub4dc\uc2e4\ud328.”));<\/p>\n

}<\/p>\n

IsHooked = FALSE;<\/p>\n

9. \ub2e4\uc774\uc5bc\ub85c\uadf8 \ud074\ub798\uc2a4\uc5d0 \ud6c5 \ud504\ub85c\uc2dc\uc800\ub97c \ub85c\ub4dc\ud558\uae30 \uc704\ud55c \ud568\uc218 \uc791\uc131<\/p>\n

BOOL InstallHookProc(void)<\/p>\n

{<\/p>\n

void (*pFunc)(HWND);<\/p>\n

if(hDllInstance == NULL)<\/p>\n

{<\/p>\n

AfxMessageBox(_T(“DLL \ud30c\uc77c\uc774\ub85c\ub4dc\ub418\uc9c0\uc54a\uc558\uc2b5\ub2c8\ub2e4.”));<\/p>\n

return FALSE;<\/p>\n

}<\/p>\n

pFunc = (void (*)(HWND))GetProcAddress(hDllInstance, “InstallHookProc”);<\/p>\n

if(pFunc == NULL)<\/p>\n

{<\/p>\n

AfxMessageBox(_T(“InstallHookProc() \ud568\uc218\uac80\uc0c9\uc2e4\ud328.”));<\/p>\n

FreeLibrary(hDllInstance);<\/p>\n

return FALSE;<\/p>\n

}<\/p>\n

(*pFunc)(this->GetSafeHwnd());<\/p>\n

return TRUE;<\/p>\n

}<\/p>\n

 <\/p>\n

10. \ub2e4\uc774\uc5bc\ub85c\uadf8 \ud074\ub798\uc2a4\uc5d0 \ud6c5 \ud504\ub85c\uc2dc\uc800\ub97c \ud574\uc81c\ud558\uae30 \uc704\ud55c \ud568\uc218 \uc791\uc131<\/p>\n

BOOL UnInstallHookProc(void)<\/p>\n

{<\/p>\n

void (*pFunc)();<\/p>\n

if(hDllInstance == NULL)<\/p>\n

{<\/p>\n

AfxMessageBox(_T(“DLL \ud30c\uc77c\uc774\ub85c\ub4dc\ub418\uc9c0\uc54a\uc558\uc2b5\ub2c8\ub2e4.”));<\/p>\n

return FALSE;<\/p>\n

}<\/p>\n

pFunc = (void (*)())GetProcAddress(hDllInstance, “UnInstallHookProc”);<\/p>\n

if(pFunc == NULL)<\/p>\n

{<\/p>\n

AfxMessageBox(_T(“UnInstallHookProc() \ud568\uc218\uac80\uc0c9\uc2e4\ud328.”));<\/p>\n

FreeLibrary(hDllInstance);<\/p>\n

return FALSE;<\/p>\n

}<\/p>\n

(*pFunc)();<\/p>\n

return TRUE;<\/p>\n

}<\/p>\n

 <\/p>\n

11. Dialog \ud074\ub798\uc2a4\uc5d0 \uba54\uc2dc\uc9c0 \ucc98\ub9ac \ud568\uc218 \uc791\uc131<\/p>\n

LRESULT CGlobalHookAppDlg::HookedMessage(WPARAM wParam, LPARAM lParam)<\/p>\n

{<\/p>\n

TCHAR KeyName[30];<\/p>\n

static CString Buffer;<\/p>\n

GetKeyNameText(lParam, KeyName, 30);<\/p>\n

if(lstrcmp(KeyName, _T(“Enter”)) == 0)<\/p>\n

{<\/p>\n

m_ListBox.AddString(Buffer);<\/p>\n

Buffer.Empty();<\/p>\n

}<\/p>\n

else<\/p>\n

{<\/p>\n

Buffer.Append(KeyName);<\/p>\n

}<\/p>\n

return 0L;<\/p>\n

}<\/p>\n

12. Dialog \ud074\ub798\uc2a4\uc758 BEGIN_MESSAGE_MAP\uc5d0 \uba54\uc2dc\uc9c0 \uc5f0\uacb0<\/p>\n

ON_MESSAGE(WM_HOOKED, HookedMessage)<\/p>\n

 <\/p>\n

13. \ud6c4\ud0b9 \uc2dc\uc791 \ubc84\ud2bc\uc758 BN_CLICKED \uba54\uc2dc\uc9c0\uc5d0 \uc791\uc131<\/p>\n

if(IsHooked)<\/p>\n

{<\/p>\n

if(UnInstallHookProc())<\/p>\n

{<\/p>\n

m_Button.SetWindowText(_T(“\ud6c4\ud0b9\uc2dc\uc791”));<\/p>\n

IsHooked = FALSE;<\/p>\n

}<\/p>\n

}<\/p>\n

else<\/p>\n

{<\/p>\n

if(InstallHookProc())<\/p>\n

{<\/p>\n

m_Button.SetWindowText(_T(“\ud6c4\ud0b9\uc911\ub2e8”));<\/p>\n

IsHooked = TRUE;<\/p>\n

}<\/p>\n

}<\/p>\n

14. DLL \ud30c\uc77c\uc744 \ubcf5\uc0ac\ud558\uace0 \uc2e4\ud589<\/p>\n","protected":false},"excerpt":{"rendered":"

\uba54\uc2dc\uc9c0 \ud6c5(Message Hook)   \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uba54\uc2dc\uc9c0\ub97c \uac10\uc2dc\ud558\uba74\uc11c \ud2b9\uc815 \uba54\uc2dc\uc9c0\uac00 \ucc98\ub9ac\ub418\uae30 \uc804\uc5d0 \ud574\ub2f9 \uba54\uc2dc\uc9c0\ub97c \uac00\ub85c\ucc44\uc5b4 \ubcc4\ub3c4\ub85c \uc815\uc758\ub41c \uae30\ub2a5\uc744 \uc218\ud589\ud558\ub3c4\ub85d \uc9c0\uc6d0\ud558\ub294 \ud504\ub85c\uadf8\ub798\ubc0d \uae30\ubc95\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub9e4\ucee4\ub2c8\uc998\uc744 \uc774\uc6a9\ud558\uc5ec \ub2e4\ub978 \ud504\ub85c\uadf8\ub7a8\uc758 \ucc98\ub9ac\uac00 \uc77c\uc5b4\ub098\uae30 \uc804\uc5d0 \uc6d0\ud558\ub294 \uae30\ub2a5\uc744 \uc218\ud589\ud558\ub3c4\ub85d \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 1. \ud6c5\uc758 \uc885\ub958 1) \uc804\uc5ed \ud6c5 \uc708\ub3c4\uc6b0 \uc804\uccb4 \uc601\uc5ed\uc5d0 \ubc1c\uc0dd\ud558\ub294 \uba54\uc2dc\uc9c0\ub97c \uac10\uc2dc \ubcc4\ub3c4\uc758 dll \ud30c\uc77c\ub85c \uc874\uc7ac\ud574\uc57c \ud569\ub2c8\ub2e4. 2) \ub85c\uceec \ud6c5 \ud604\uc7ac \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uba54\uc2dc\uc9c0\ub97c \uac10\uc2dc 2. \ub85c\uceec \ud6c5 \uc0ac\uc6a9 \ubc29\ubc95 1) \ud6c5 \ud504\ub85c\uc2dc\uc800 \uc791\uc131 LRESULT CALLBACK HookProc(int nCode, WPARAM wParam, LPARAM lParam) nCode\ub294 \ud6c5 \ud504\ub85c\uc2dc\uc800\uac00 \ucc98\ub9ac\ud574\uc57c \ud560 \uc791\uc5c5\uc744 \uc2dd\ubcc4\ud558\uae30 \uc704\ud55c \ucf54\ub4dc\uac00 \uc9c0\uc815\ub418\uace0 wParam, lParam\uc5d0\ub294 nCode\uac12\uc5d0 \ub530\ub974\ub294 \ubd80\uac00 \uc815\ubcf4\uac00 \uc804\ub2ec\ub429\ub2c8\ub2e4. \uc774 \ub54c nCode\uac12\uc774 0\ubcf4\ub2e4 \uc791\ub2e4\uba74 \ub354 \uc774\uc0c1 \ucc98\ub9ac\ud558\uc9c0 \uc54a\uace0 \ub2e4\uc74c \ud6c5 \ud504\ub85c\uc2dc\uc800\uc5d0\uac8c\ub85c \uc81c\uc5b4\ub97c \ub118\uaca8\uc57c \ud569\ub2c8\ub2e4. \uc608) LRESULT CALLBACK KeyboardHookProc(int nCode, WPARAM wParam, LPARAM lParam) { HDC hdc; TCHAR s[256]; if(nCode < 0) { return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam); } hdc = GetDC(ghWnd); wsprintf(s, “Hooked Key Code = %3d.”, wParam); TextOut(hdc, 50, 50, s, lstrlen(s)); ReleaseDC(ghWnd, hdc); return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam); \/\/ \ubaa8\ub4e0 \ucc98\ub9ac\uac00 \uc885\ub8cc\ub418\uba74 \ub2e4\uc74c \ud6c5 \ud504\ub85c\uc2dc\uc800\uc5d0\uac8c \uc804\ub2ec }   2) \ud6c5 \ud504\ub85c\uc2dc\uc800\ub97c \ud6c5 \uccb4\uc778\uc5d0 \ub4f1\ub85d HHOOK SetWindowsHookEx(int idHook, HOOKPROC lpfn, HINSTANCE hMod, DWORD dwThreadId); \uc124\uce58 \ub41c \ud6c4 \ud6c5 \ud504\ub85c\uc2dc\uc800\uc758 \ud578\ub4e4\uc744 \ubc18\ud658\ud558\uba70 \uccab \ubc88\uc9f8 \uc778\uc790\ub294 \uc124\uce58\ub420 \ud6c5 \ud504\ub85c\uc2dc\uc800\uc758 \ud0c0\uc785\uc744 \uc815\uc758\ud558\ub294 \uc2dd\ubcc4\uc790\uac00 \ub418\uba70 \uc544\ub798\uc640 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"ngg_post_thumbnail":0,"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[19,7],"tags":[],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5q9Zn-2G","jetpack-related-posts":[{"id":331,"url":"https:\/\/blog.box.kr\/?p=331","url_meta":{"origin":166,"position":0},"title":"[MFC] – \ud0a4\ubcf4\ub4dc \ud6c4\ud0b9","date":"2014-08-09","format":false,"excerpt":"\u203b \ud6c5\ud0b9(Hooking) : \uc774\ubbf8 \uc791\uc131 \ub418\uc5b4 \uc788\ub294 \ucf54\ub4dc\uc758 \u3163\ud2b9\uc815 \uc9c0\uc810\uc744 \uac00\ub85c \ucc44\uc11c \ub3d9\uc791 \ubc29\uc2dd\uc5d0 \ubcc0\ud654\ub97c \uc8fc\ub294 \uc77c\uccb4\uc758 \uae30\uc220 - \uc778\ud130\ub7fd\ud2b8 \uac00\ub85c\ucc44\uae30 \uae30\ubc95, \uba54\uc9c0\uc2dc \uac00\ub85c\ucc44\uae30 \ub4f1\ub4f1 \u203b \uba54\uc2dc\uc9c0\ub97c \uac00\ub85c\ucc4c \ubc94\uc704\uc5d0 \ub530\ub77c \uc9c0\uc5ed \ud6c5, \uc2dc\uc2a4\ud15c \uc804\uc5ed \ud6c5\uc73c\ub85c \uad6c\ubd84 - \uc9c0\uc5ed \ud6c5(Thread Specific)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : \ud2b9\uc815 \uc2a4\ub808\ub4dc\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uba54\uc2dc\uc9c0\ub4e4\ub9cc \uc804\ub2ec \ubc1b\uc74c - \uc2dc\uc2a4\ud15c \uc804\uc5ed\u2026","rel":"","context":"In "C\/C++"","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":305,"url":"https:\/\/blog.box.kr\/?p=305","url_meta":{"origin":166,"position":1},"title":"[MFC] \ub0b4\ubd80 \ucc3d\ub07c\ub9ac \uba54\uc2dc\uc9c0 \uc1a1\uc218\uc2e0","date":"2014-08-07","format":false,"excerpt":"\ud074\ub798\uc2a4\uac04 \ub370\uc774\ud130 \uc804\ub2ec\uc744 \ud558\ub294 \ubc29\ubc95\uc774 \ubb34\uc5c7\uc774 \uc788\uc744\uae4c. 1. \uc804\uc5ed\ubcc0\uc218 2. \ud5e4\ub354 include \ud6c4 \ubcc0\uc218 \uc811\uadfc 3. SendMessage SendMessage\ub97c \uc774\uc6a9\ud558\uba74 \ud074\ub798\uc2a4\uac04 \ub370\uc774\ud130 \uc804\ub2ec\uc774 \uc6a9\uc774\ud568\uc744 \uc54c\uace0, \uc0ac\uc6a9\ud574\ubcf4\uc558\ub2e4(\uba87\ubc88\uc758 \uc0bd\uc9c8\uacfc \ud568\uaed8...) ? 1 2 3 4 5 6 7 8 9 10 11 12 LRESULT SendMessage( \u00a0\u00a0\u00a0\u00a0UINT message, \u00a0\u00a0\u00a0\u00a0WPARAM wParam = 0, \u00a0\u00a0\u00a0\u00a0LPARAM lParam\u2026","rel":"","context":"In "C\/C++"","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":176,"url":"https:\/\/blog.box.kr\/?p=176","url_meta":{"origin":166,"position":2},"title":"MFC \ud2b8\ub808\uc774 \uc544\uc774\ucf58(Tray Icon)","date":"2014-07-09","format":false,"excerpt":"1. NOTIFYICONDATA \uad6c\uc870\uccb4 \u00a0\u00a0\u00a0 \uc0c1\ud0dc\ubc14 \uc601\uc5ed\uc5d0 \ud544\uc694\ud55c \uba54\uc2dc\uc9c0 \uc815\ubcf4\ub97c \ub0b4\ud3ec\ud55c\ub2e4. \u00a0\u00a0\u00a0\u00a0\u00a0typedef struct _NOTIFYICONDATAA\u00a0{ DWORD\u00a0\u00a0 cdSize;\u00a0\/\/ \uad6c\uc870\uccb4\uc758 \ud06c\uae30(byte) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0HWND\u00a0\u00a0\u00a0 hWnd;\u00a0\u00a0\u00a0\/\/ \ud2b8\ub808\uc774\ub97c \uc18c\uc720\ud55c \ud578\ub4e4 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0UINT\u00a0\u00a0\u00a0 uID;\u00a0\u00a0\u00a0\u00a0\/\/ \uad6c\ubd84\ud560\uc218 \uc788\ub294 ID \uac12 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0UINT\u00a0\u00a0\u00a0 uFlags;\u00a0\/\/ \uba64\ubc84\ub4e4\uc774 \ub0b4\ud3ec\ud558\uace0 \uc788\ub294 \ub370\uc774\ud130\uc758 \ucd94\uac00 \uc815\ubcf4\ub97c \uc5b4\ub5bb\uac8c \ub098\ud0c0\ub0bc\uc9c0 \uacb0\uc815 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0UINT\u00a0\u00a0\u00a0 uCallbackMessage; HICON\u00a0\u00a0 hIcon; \u00a0#if\u00a0(NTDDI_VERSION\u00a0<\u00a0NTDDI_WIN2K) TCHAR\u00a0szTip[64]; \u00a0#endif \u00a0\u00a0\u00a0\u00a0#if\u00a0(NTDDI_VERSION\u00a0>=\u00a0NTDDI_WIN2K) TCHAR\u00a0\u00a0 szTip[128]; DWORD\u00a0\u00a0\u2026","rel":"","context":"In "C\/C++"","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":182,"url":"https:\/\/blog.box.kr\/?p=182","url_meta":{"origin":166,"position":3},"title":"[Grid] BCG Grid Ctl \uc774\ubca4\ud2b8 \ubaa8\uc74c","date":"2014-07-09","format":false,"excerpt":"\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/ const DWORD dwViewStyle =\u00a0WS_CHILD | WS_VISIBLE; CRect rcTmp; CBCGPGridRow* pRow; CString strTmp; m_staticFileAntPatternHoriListLoc.GetClientRect(&rcTmp); m_staticFileAntPatternHoriListLoc.MapWindowPoints(this, &rcTmp); m_listFileAntPatternHoriList = NULL; m_listFileAntPatternHoriList = new CCellTypesGridCtrl(); if (!m_listFileAntPatternHoriList->Create (dwViewStyle, rcTmp, this, IDC_LIST_FILE_ANT_PATTERN_HORI_LIST)) { TRACE0(\"Failed to create workspace viewn\"); return ;\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ fail to create } m_listFileAntPatternHoriList->SetWholeRowSel (FALSE); m_listFileAntPatternHoriList->EnableMarkSortedColumn (FALSE); m_listFileAntPatternHoriList->EnableHeader (TRUE, BCGP_GRID_HEADER_SELECT); m_listFileAntPatternHoriList->EnableRowHeader\u2026","rel":"","context":"In "C\/C++"","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":164,"url":"https:\/\/blog.box.kr\/?p=164","url_meta":{"origin":166,"position":4},"title":"\ud504\ub85c\uc138\uc2a4 \uac04\uc758 \ud1b5\uc2e0","date":"2014-07-08","format":false,"excerpt":"\ud504\ub85c\uc138\uc2a4 \uac04\uc758 \ud1b5\uc2e0(IPC)\uc740 \ud504\ub85c\uc138\uc2a4 \uac04\uc5d0 \uc815\ubcf4\ub97c \uc8fc\uace0 \ubc1b\uc744 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \ud1b5\uc2e0 \uae30\ubc95\uc785\ub2c8\ub2e4. \ud504\ub85c\uc138\uc2a4 \uac04\uc758 \ud1b5\uc2e0 \ubc29\ubc95\uc740 \uc11c\ub85c \uac04\uc5d0 \uba54\uc2dc\uc9c0\ub97c \uc804\ub2ec\ud558\ub294 \ubc29\ubc95\uacfc \uacf5\uc720 \uba54\ubaa8\ub9ac\ub97c \uc774\uc6a9\ud558\ub294 \ubc29\ubc95 \uadf8\ub9ac\uace0 \ud074\ub9bd\ubcf4\ub4dc\ub97c \uc774\uc6a9\ud558\ub294 \ubc29\ubc95 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. 1. \ud504\ub85c\uc138\uc2a4 \uc0ac\uc774\uc758 \uba54\uc2dc\uc9c0 \uc804\ub2ec 1)\ub3d9\uc77c\ud55c \ud504\ub85c\uadf8\ub7a8\uc774 \uc5ec\ub7ec \uac1c \uc2e4\ud589 \uc911\uc77c \ub54c \uba54\uc2dc\uc9c0 \uc804\uc1a1 RegisterWindowMessage \uc774\uc6a9 \ud504\ub85c\uc138\uc2a4 \ub610\ub294\u2026","rel":"","context":"In "MFC & WINDOWS"","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":333,"url":"https:\/\/blog.box.kr\/?p=333","url_meta":{"origin":166,"position":5},"title":"[MFC] – \ud2b8\ub808\uc774 \uc544\uc774\ucf58 \ub4f1\ub85d \ubc0f \uc708\ub3c4\uc6b0 \uac10\ucd94\uae30","date":"2014-08-09","format":false,"excerpt":"\ucd9c\ucc98 :\u00a0http:\/\/hotangs.tistory.com\/28 \uc708\ub3c4\uc6b0 \uc6b0\uce21 \ud558\ub2e8\uc5d0 \ud2b8\ub808\uc774 \uc544\uc774\ucf58\uc744 \ub4f1\ub85d\ud558\ub294 \ubc29\ubc95\uc774\ub2e4. \uc6b0\uc120 \ud504\ub85c\uc81d\ud2b8\uc5d0 \ud604\uc7ac \ud2b8\ub808\uc774 \uc0c1\ud0dc\ub97c \uc54c\uc218 \uc788\ub294 BOOL \ubcc0\uc218\ub97c \uc120\uc5b8\ud55c\ub2e4. Protected \uc5d0 \uc120\uc5b8 \ubcc0\uc218 \uc774\ub984\uc740 m_bIsTrayIcon \ub85c \ud558\uaca0\ub2e4. \u00a0 \ub2e4\uc74c \ud2b8\ub808\uc774\uc544\uc774\ucf58\uc744 \ub4f1\ub85d\ud558\ub294 \ud568\uc218\ub97c \ub9cc\ub4e0\ub2e4. \ud568\uc218 \uc774\ub984\uc740 RegistTrayIcon \ub85c \ud558\uaca0\ub2e4. Private \ub85c \uc120\uc5b8 \uadf8\ub9ac\uace0 \ucf54\ub529\ud55c\ub2e4. void CTrayDlg::RegistTrayIcon() { NOTIFYICONDATA\u00a0 nid; nid.cbSize =\u2026","rel":"","context":"In "C\/C++"","img":{"alt_text":"\u00ec\u0082\u00ac\u00ec\u009a\u00a9\u00ec\u009e\u0090 \u00ec\u0082\u00bd\u00ec\u009e\u0085 \u00ec\u009d\u00b4\u00eb\u00af\u00b8\u00ec\u00a7\u0080","src":"https:\/\/i0.wp.com\/cfs3.tistory.com\/upload_control\/download.blog?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/blog.box.kr\/index.php?rest_route=\/wp\/v2\/posts\/166"}],"collection":[{"href":"https:\/\/blog.box.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.box.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.box.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.box.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=166"}],"version-history":[{"count":0,"href":"https:\/\/blog.box.kr\/index.php?rest_route=\/wp\/v2\/posts\/166\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.box.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.box.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.box.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}