subclasswnd.h

用VC實現截取Window的消息

/* void Class::OnFontChange() */
#define DISPATCH_WM_FONTCHANGE(wParam, lParam, fn) \
    ((fn)(), 0L)

/* void Class::OnSpoolerStatus(UINT status, int cJobInQueue) */
#define DISPATCH_WM_SPOOLERSTATUS(wParam, lParam, fn) \
    ((fn)((UINT)(wParam), (int)(short)LOWORD(lParam)), 0L)

/* void Class::OnDevModeChange(LPCTSTR lpszDeviceName) */
#define DISPATCH_WM_DEVMODECHANGE(wParam, lParam, fn) \
    ((fn)((LPCTSTR)(lParam)), 0L)

/* void Class::OnTimeChange() */
#define DISPATCH_WM_TIMECHANGE(wParam, lParam, fn) \
    ((fn)(), 0L)

/* void Class::OnPower(int code) */
#define DISPATCH_WM_POWER(wParam, lParam, fn) \
    ((fn)((int)(wParam)), 0L)

/* BOOL Class::OnQueryEndSession() */
#define DISPATCH_WM_QUERYENDSESSION(wParam, lParam, fn) \
    MAKELRESULT((BOOL)(fn)(), 0L)

/* void Class::OnEndSession(BOOL fEnding) */
#define DISPATCH_WM_ENDSESSION(wParam, lParam, fn) \
    ((fn)((BOOL)(wParam)), 0L)

/* void Class::OnQuit(int exitCode) */
#define DISPATCH_WM_QUIT(wParam, lParam, fn) \
    ((fn)((int)(wParam)), 0L)

/* This message is in Windows 3.1 only */
/* void Class::OnSystemError(int errCode) */
#define DISPATCH_WM_SYSTEMERROR(wParam, lParam, fn) 0L

/* BOOL Class::OnCreate(LPCREATESTRUCT lpCreateStruct) */
#define DISPATCH_WM_CREATE(wParam, lParam, fn) \
    ((fn)((LPCREATESTRUCT)(lParam)) ? 0L : (LRESULT)-1L)

/* BOOL Class::OnNCCreate(LPCREATESTRUCT lpCreateStruct) */
#define DISPATCH_WM_NCCREATE(wParam, lParam, fn) \
    (LRESULT)(DWORD)(BOOL)(fn)((LPCREATESTRUCT)(lParam))

/* void Class::OnDestroy() */
#define DISPATCH_WM_DESTROY(wParam, lParam, fn) \
    ((fn)(), 0L)

/* void Class::OnNCDestroy() */
#define DISPATCH_WM_NCDESTROY(wParam, lParam, fn) \
    ((fn)(), 0L)

/* void Class::OnShowWindow(BOOL fShow, UINT status) */
#define DISPATCH_WM_SHOWWINDOW(wParam, lParam, fn) \
    ((fn)((BOOL)(wParam), (UINT)(lParam)), 0L)

/* void Class::OnSetRedraw(BOOL fRedraw) */
#define DISPATCH_WM_SETREDRAW(wParam, lParam, fn) \
    ((fn)((BOOL)(wParam)), 0L)

/* void Class::OnEnable(BOOL fEnable) */
#define DISPATCH_WM_ENABLE(wParam, lParam, fn) \
    ((fn)((BOOL)(wParam)), 0L)

/* void Class::OnSetText(LPCTSTR lpszText) */
#define DISPATCH_WM_SETTEXT(wParam, lParam, fn) \
    ((fn)((LPCTSTR)(lParam)), 0L)

/* int Class::OnGetText(int cchTextMax, LPTSTR lpszText) */
#define DISPATCH_WM_GETTEXT(wParam, lParam, fn) \
    (LRESULT)(DWORD)(int)(fn)((int)(wParam), (LPTSTR)(lParam))

/* int Class::OnGetTextLength() */
#define DISPATCH_WM_GETTEXTLENGTH(wParam, lParam, fn) \
    (LRESULT)(DWORD)(int)(fn)()

/* BOOL Class::OnWindowPosChanging(LPWINDOWPOS lpwpos) */
#define DISPATCH_WM_WINDOWPOSCHANGING(wParam, lParam, fn) \
    (LRESULT)(DWORD)(BOOL)(fn)((LPWINDOWPOS)(lParam))

/* void Class::OnWindowPosChanged(const LPWINDOWPOS lpwpos) */
#define DISPATCH_WM_WINDOWPOSCHANGED(wParam, lParam, fn) \
    ((fn)((const LPWINDOWPOS)(lParam)), 0L)

/* void Class::OnMove(int x, int y) */
#define DISPATCH_WM_MOVE(wParam, lParam, fn) \
    ((fn)((int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam)), 0L)

/* void Class::OnSize(UINT state, int cx, int cy) */
#define DISPATCH_WM_SIZE(wParam, lParam, fn) \
    ((fn)((UINT)(wParam), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam)), 0L)

/* void Class::OnClose() */
#define DISPATCH_WM_CLOSE(wParam, lParam, fn) \
    ((fn)(), 0L)

/* BOOL Class::OnQueryOpen() */
#define DISPATCH_WM_QUERYOPEN(wParam, lParam, fn) \
    MAKELRESULT((BOOL)(fn)(), 0L)

/* void Class::OnGetMinMaxInfo(LPMINMAXINFO lpMinMaxInfo) */
#define DISPATCH_WM_GETMINMAXINFO(wParam, lParam, fn) \
    ((fn)((LPMINMAXINFO)(lParam)), 0L)

/* void Class::OnPaint() */
#define DISPATCH_WM_PAINT(wParam, lParam, fn) \
    ((fn)(), 0L)

/* BOOL Class::OnEraseBkgnd(HDC hdc) */
#define DISPATCH_WM_ERASEBKGND(wParam, lParam, fn) \
    (LRESULT)(DWORD)(BOOL)(fn)((HDC)(wParam))

/* BOOL Class::OnIconEraseBkgnd(HDC hdc) */
#define DISPATCH_WM_ICONERASEBKGND(wParam, lParam, fn) \
    (LRESULT)(DWORD)(BOOL)(fn)((HDC)(wParam))

/* void Class::OnNCPaint(HRGN hrgn) */
#define DISPATCH_WM_NCPAINT(wParam, lParam, fn) \
    ((fn)((HRGN)(wParam)), 0L)

/* UINT Class::OnNCCalcSize(BOOL fCalcValidRects, NCCALCSIZE_PARAMS * lpcsp) */
#define DISPATCH_WM_NCCALCSIZE(wParam, lParam, fn) \
    (LRESULT)(DWORD)(UINT)(fn)((BOOL)(0), (NCCALCSIZE_PARAMS *)(lParam))

/* UINT Class::OnNCHitTest(int x, int y) */
#define DISPATCH_WM_NCHITTEST(wParam, lParam, fn) \
    (LRESULT)(DWORD)(UINT)(fn)((int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam))

/* HICON Class::OnQueryDragIcon() */
#define DISPATCH_WM_QUERYDRAGICON(wParam, lParam, fn) \
    (LRESULT)(DWORD)(UINT)(fn)()

#ifdef _INC_SHELLAPI
/* void Class::OnDropFiles(HDROP hdrop) */
#define DISPATCH_WM_DROPFILES(wParam, lParam, fn) \
    ((fn)((HDROP)(wParam)), 0L)
#endif  /* _INC_SHELLAPI */

/* void Class::OnActivate(UINT state, HWND hwndActDeact, BOOL fMinimized) */
#define DISPATCH_WM_ACTIVATE(wParam, lParam, fn) \
    ((fn)((UINT)LOWORD(wParam), (HWND)(lParam), (BOOL)HIWORD(wParam)), 0L)

/* void Class::OnActivateApp(BOOL fActivate, DWORD dwThreadId) */
#define DISPATCH_WM_ACTIVATEAPP(wParam, lParam, fn) \
    ((fn)((BOOL)(wParam), (DWORD)(lParam)), 0L)

/* BOOL Class::OnNCActivate(BOOL fActive, HWND hwndActDeact, BOOL fMinimized) */
#define DISPATCH_WM_NCACTIVATE(wParam, lParam, fn) \
    (LRESULT)(DWORD)(BOOL)(fn)((BOOL)(wParam), 0L, 0L)

/* void Class::OnSetFocus(HWND hwndOldFocus) */
#define DISPATCH_WM_SETFOCUS(wParam, lParam, fn) \
    ((fn)((HWND)(wParam)), 0L)

/* void Class::OnKillFocus(HWND hwndNewFocus) */
#define DISPATCH_WM_KILLFOCUS(wParam, lParam, fn) \
    ((fn)((HWND)(wParam)), 0L)

/* void Class::OnKey(UINT vk, BOOL fDown, int cRepeat, UINT flags) */
#define DISPATCH_WM_KEYDOWN(wParam, lParam, fn) \
    ((fn)((UINT)(wParam), TRUE, (int)(short)LOWORD(lParam), (UINT)HIWORD(lParam)), 0L)

/* void Class::OnKey(UINT vk, BOOL fDown, int cRepeat, UINT flags) */
#define DISPATCH_WM_KEYUP(wParam, lParam, fn) \
    ((fn)((UINT)(wParam), FALSE, (int)(short)LOWORD(lParam), (UINT)HIWORD(lParam)), 0L)

/* void Class::OnChar(TCHAR ch, int cRepeat) */
#define DISPATCH_WM_CHAR(wParam, lParam, fn) \
    ((fn)((TCHAR)(wParam), (int)(short)LOWORD(lParam)), 0L)

/* void Class::OnDeadChar(TCHAR ch, int cRepeat) */
#define DISPATCH_WM_DEADCHAR(wParam, lParam, fn) \
    ((fn)((TCHAR)(wParam), (int)(short)LOWORD(lParam)), 0L)

/* void Class::OnSysKey(UINT vk, BOOL fDown, int cRepeat, UINT flags) */
#define DISPATCH_WM_SYSKEYDOWN(wParam, lParam, fn) \
    ((fn)((UINT)(wParam), TRUE, (int)(short)LOWORD(lParam), (UINT)HIWORD(lParam)), 0L)

/* void Class::OnSysKey(UINT vk, BOOL fDown, int cRepeat, UINT flags) */
#define DISPATCH_WM_SYSKEYUP(wParam, lParam, fn) \
    ((fn)((UINT)(wParam), FALSE, (int)(short)LOWORD(lParam), (UINT)HIWORD(lParam)), 0L)

/* void Class::OnSysChar(TCHAR ch, int cRepeat) */
#define DISPATCH_WM_SYSCHAR(wParam, lParam, fn) \
    ((fn)((TCHAR)(wParam), (int)(short)LOWORD(lParam)), 0L)

/* void Class::OnSysDeadChar(TCHAR ch, int cRepeat) */
#define DISPATCH_WM_SYSDEADCHAR(wParam, lParam, fn) \
    ((fn)((TCHAR)(wParam), (int)(short)LOWORD(lParam)), 0L)

/* void Class::OnMouseMove(int x, int y, UINT keyFlags) */
#define DISPATCH_WM_MOUSEMOVE(wParam, lParam, fn) \
    ((fn)((int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnLButtonDown(BOOL fDoubleClick, int x, int y, UINT keyFlags) */
#define DISPATCH_WM_LBUTTONDOWN(wParam, lParam, fn) \
    ((fn)(FALSE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnLButtonDown(BOOL fDoubleClick, int x, int y, UINT keyFlags) */
#define DISPATCH_WM_LBUTTONDBLCLK(wParam, lParam, fn) \
    ((fn)(TRUE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnLButtonUp(int x, int y, UINT keyFlags) */
#define DISPATCH_WM_LBUTTONUP(wParam, lParam, fn) \
    ((fn)((int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnRButtonDown(BOOL fDoubleClick, int x, int y, UINT keyFlags) */
#define DISPATCH_WM_RBUTTONDOWN(wParam, lParam, fn) \
    ((fn)(FALSE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnRButtonDown(BOOL fDoubleClick, int x, int y, UINT keyFlags) */
#define DISPATCH_WM_RBUTTONDBLCLK(wParam, lParam, fn) \
    ((fn)(TRUE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnRButtonUp(int x, int y, UINT flags) */
#define DISPATCH_WM_RBUTTONUP(wParam, lParam, fn) \
    ((fn)((int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnMButtonDown(BOOL fDoubleClick, int x, int y, UINT keyFlags) */
#define DISPATCH_WM_MBUTTONDOWN(wParam, lParam, fn) \
    ((fn)(FALSE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnMButtonDown(BOOL fDoubleClick, int x, int y, UINT keyFlags) */
#define DISPATCH_WM_MBUTTONDBLCLK(wParam, lParam, fn) \
    ((fn)(TRUE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnMButtonUp(int x, int y, UINT flags) */
#define DISPATCH_WM_MBUTTONUP(wParam, lParam, fn) \
    ((fn)((int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnNCMouseMove(int x, int y, UINT codeHitTest) */
#define DISPATCH_WM_NCMOUSEMOVE(wParam, lParam, fn) \
    ((fn)((int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnNCLButtonDown(BOOL fDoubleClick, int x, int y, UINT codeHitTest) */
#define DISPATCH_WM_NCLBUTTONDOWN(wParam, lParam, fn) \
    ((fn)(FALSE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnNCLButtonDown(BOOL fDoubleClick, int x, int y, UINT codeHitTest) */
#define DISPATCH_WM_NCLBUTTONDBLCLK(wParam, lParam, fn) \
    ((fn)(TRUE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnNCLButtonUp(int x, int y, UINT codeHitTest) */
#define DISPATCH_WM_NCLBUTTONUP(wParam, lParam, fn) \
    ((fn)((int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnNCRButtonDown(BOOL fDoubleClick, int x, int y, UINT codeHitTest) */
#define DISPATCH_WM_NCRBUTTONDOWN(wParam, lParam, fn) \
    ((fn)(FALSE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnNCRButtonDown(BOOL fDoubleClick, int x, int y, UINT codeHitTest) */
#define DISPATCH_WM_NCRBUTTONDBLCLK(wParam, lParam, fn) \
    ((fn)(TRUE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnNCRButtonUp(int x, int y, UINT codeHitTest) */
#define DISPATCH_WM_NCRBUTTONUP(wParam, lParam, fn) \
    ((fn)((int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnNCMButtonDown(BOOL fDoubleClick, int x, int y, UINT codeHitTest) */
#define DISPATCH_WM_NCMBUTTONDOWN(wParam, lParam, fn) \
    ((fn)(FALSE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnNCMButtonDown(BOOL fDoubleClick, int x, int y, UINT codeHitTest) */
#define DISPATCH_WM_NCMBUTTONDBLCLK(wParam, lParam, fn) \
    ((fn)(TRUE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* void Class::OnNCMButtonUp(int x, int y, UINT codeHitTest) */
#define DISPATCH_WM_NCMBUTTONUP(wParam, lParam, fn) \
    ((fn)((int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)

/* int Class::OnMouseActivate(HWND hwndTopLevel, UINT codeHitTest, UINT msg) */
#define DISPATCH_WM_MOUSEACTIVATE(wParam, lParam, fn) \
    (LRESULT)(DWORD)(int)(fn)((HWND)(wParam), (UINT)LOWORD(lParam), (UINT)HIWORD(lParam))

/* void Class::OnCancelMode() */
#define DISPATCH_WM_CANCELMODE(wParam, lParam, fn) \
    ((fn)(), 0L)

/* void Class::OnTimer(UINT id) */
#define DISPATCH_WM_TIMER(wParam, lParam, fn) \
    ((fn)((UINT)(wParam)), 0L)

/* void Class::OnInitMenu(HMENU hMenu) */
#define DISPATCH_WM_INITMENU(wParam, lParam, fn) \
    ((fn)((HMENU)(wParam)), 0L)

/* void Class::OnInitMenuPopup(HMENU hMenu, UINT item, BOOL fSystemMenu) */
#define DISPATCH_WM_INITMENUPOPUP(wParam, lParam, fn) \
    ((fn)((HMENU)(wParam), (UINT)LOWORD(lParam), (BOOL)HIWORD(lParam)), 0L)

/* void Class::OnMenuSelect(HMENU hmenu, int item, HMENU hmenuPopup, UINT flags) */
#define DISPATCH_WM_MENUSELECT(wParam, lParam, fn)                  \
    ((fn)((HMENU)(lParam),  \
    (HIWORD(wParam) & MF_POPUP) ? 0L : (int)(LOWORD(wParam)),           \
    (HIWORD(wParam) & MF_POPUP) ? GetSubMenu((HMENU)lParam, LOWORD(wParam)) : 0L, \
    (UINT)(((short)HIWORD(wParam) == -1) ? 0xFFFFFFFF : HIWORD(wParam))), 0L)

/* DWORD Class::OnMenuChar(UINT ch, UINT flags, HMENU hmenu) */
#define DISPATCH_WM_MENUCHAR(wParam, lParam, fn) \