WINDOWSX.H
/*****************************************************************************\
* *
* windowsx.h - Macro APIs, window message crackers, and control APIs *
* *
* Version Win32 / Windows NT *
* *
* Copyright 1992 - 1998 Microsoft Corp. All rights reserved.*
* *
\*****************************************************************************/
#ifndef _INC_WINDOWSX
#define _INC_WINDOWSX
#ifdef __cplusplus
extern "C" { /* Assume C declarations for C++ */
#endif /* __cplusplus */
#ifndef SNDMSG
#ifdef __cplusplus
#ifndef _MAC
#define SNDMSG ::SendMessage
#else
#define SNDMSG ::AfxSendMessage
#endif
#else /* __cplusplus */
#ifndef _MAC
#define SNDMSG SendMessage
#else
#define SNDMSG AfxSendMessage
#endif
#endif /* __cplusplus */
#endif /* SNDMSG */
/****** KERNEL Macro APIs ****************************************************/
#define GetInstanceModule(hInstance) (HMODULE)(hInstance)
#define GlobalPtrHandle(lp) \
((HGLOBAL)GlobalHandle(lp))
#define GlobalLockPtr(lp) \
((BOOL)GlobalLock(GlobalPtrHandle(lp)))
#define GlobalUnlockPtr(lp) \
GlobalUnlock(GlobalPtrHandle(lp))
#ifndef _MAC
#define GlobalAllocPtr(flags, cb) \
(GlobalLock(GlobalAlloc((flags), (cb))))
#else
#define GlobalAllocPtr(flags, cb) \
(GlobalLock(GlobalAlloc((flags) | GMEM_PMODELOCKSTRATEGY, (cb))))
#endif
#define GlobalReAllocPtr(lp, cbNew, flags) \
(GlobalUnlockPtr(lp), GlobalLock(GlobalReAlloc(GlobalPtrHandle(lp) , (cbNew), (flags))))
#define GlobalFreePtr(lp) \
(GlobalUnlockPtr(lp), (BOOL)GlobalFree(GlobalPtrHandle(lp)))
/****** GDI Macro APIs *******************************************************/
#define DeletePen(hpen) DeleteObject((HGDIOBJ)(HPEN)(hpen))
#define SelectPen(hdc, hpen) ((HPEN)SelectObject((hdc), (HGDIOBJ)(HPEN)(hpen)))
#define GetStockPen(i) ((HPEN)GetStockObject(i))
#define DeleteBrush(hbr) DeleteObject((HGDIOBJ)(HBRUSH)(hbr))
#define SelectBrush(hdc, hbr) ((HBRUSH)SelectObject((hdc), (HGDIOBJ)(HBRUSH)(hbr)))
#define GetStockBrush(i) ((HBRUSH)GetStockObject(i))
#define DeleteRgn(hrgn) DeleteObject((HGDIOBJ)(HRGN)(hrgn))
#ifndef _MAC
#define CopyRgn(hrgnDst, hrgnSrc) CombineRgn(hrgnDst, hrgnSrc, 0, RGN_COPY)
#else
#define AfxCopyRgn(hrgnDst, hrgnSrc) CombineRgn(hrgnDst, hrgnSrc, 0, RGN_COPY)
#endif
#define
IntersectRgn(hrgnResult, hrgnA, hrgnB) CombineRgn(hrgnResult, hrgnA, hrgnB, RGN_AND)
#define SubtractRgn(hrgnResult, hrgnA, hrgnB) CombineRgn(hrgnResult, hrgnA, hrgnB, RGN_DIFF)
#ifndef _MAC
#define UnionRgn(hrgnResult, hrgnA, hrgnB) CombineRgn(hrgnResult, hrgnA, hrgnB, RGN_OR)
#define XorRgn(hrgnResult, hrgnA, hrgnB) CombineRgn(hrgnResult, hrgnA, hrgnB, RGN_XOR)
#else
#define AfxUnionRgn(hrgnResult, hrgnA, hrgnB) CombineRgn(hrgnResult, hrgnA, hrgnB, RGN_OR)
#define AfxXorRgn(hrgnResult, hrgnA, hrgnB) CombineRgn(hrgnResult, hrgnA, hrgnB, RGN_XOR)
#endif
#define DeletePalette(hpal) DeleteObject((HGDIOBJ)(HPALETTE)(hpal))
#define DeleteFont(hfont) DeleteObject((HGDIOBJ)(HFONT)(hfont))
#define SelectFont(hdc, hfont) ((HFONT)SelectObject((hdc), (HGDIOBJ)(HFONT)(hfont)))
#define GetStockFont(i) ((HFONT)GetStockObject(i))
#define DeleteBitmap(hbm) DeleteObject((HGDIOBJ)(HBITMAP)(hbm))
#define SelectBitmap(hdc, hbm) ((HBITMAP)SelectObject((hdc), (HGDIOBJ)(HBITMAP)(hbm)))
#ifndef _MAC
#define InsetRect(lprc, dx, dy) InflateRect((lprc), -(dx), -(dy))
#else
#define AfxInsetRect(lprc, dx, dy) InflateRect((lprc), -(dx), -(dy))
#endif
/****** USER Macro APIs ******************************************************/
#define GetWindowInstance(hwnd) ((HMODULE)GetWindowLong(hwnd, GWL_HINSTANCE))
#define GetWindowStyle(hwnd) ((DWORD)GetWindowLong(hwnd, GWL_STYLE))
#define GetWindowExStyle(hwnd) ((DWORD)GetWindowLong(hwnd, GWL_EXSTYLE))
#define GetWindowOwner(hwnd) GetWindow(hwnd, GW_OWNER)
#define GetFirstChild(hwnd) GetTopWindow(hwnd)
#define GetFirstSibling(hwnd) GetWindow(hwnd, GW_HWNDFIRST)
#define GetLastSibling(hwnd) GetWindow(hwnd, GW_HWNDLAST)
#define GetNextSibling(hwnd) GetWindow(hwnd, GW_HWNDNEXT)
#define GetPrevSibling(hwnd) GetWindow(hwnd, GW_HWNDPREV)
#define GetWindowID(hwnd) GetDlgCtrlID(hwnd)
#define SetWindowRedraw(hwnd, fRedraw) \
((void)SNDMSG(hwnd, WM_SETREDRAW, (WPARAM)(BOOL)(fRedraw), 0L))
#define SubclassWindow(hwnd, lpfn) \
((WNDPROC)SetWindowLong((hwnd), GWL_WNDPROC, (LPARAM)(WNDPROC)(lpfn)))
#define IsMinimized(hwnd) IsIconic(hwnd)
#define IsMaximized(hwnd) IsZoomed(hwnd)
#define IsRestored(hwnd) ((GetWindowStyle(hwnd) & (WS_MINIMIZE | WS_MAXIMIZE)) == 0L)
#define SetWindowFont(hwnd, hfont, fRedraw) FORWARD_WM_SETFONT((hwnd), (hfont), (fRedraw), SNDMSG)
#define GetWindowFont(hwnd) FORWARD_WM_GETFONT((hwnd), SNDMSG)
#if (WINVER >= 0x030a)
#define MapWindowRect(hwndFrom, hwndTo, lprc) \
MapWindowPoints((hwndFrom), (hwndTo), (POINT *)(lprc), 2)
#endif
#define IsLButtonDown() (GetKeyState(VK_LBUTTON) < 0)
#define IsRButtonDown() (GetKeyState(VK_RBUTTON) < 0)
#de
fine IsMButtonDown() (GetKeyState(VK_MBUTTON) < 0)
#define SubclassDialog(hwndDlg, lpfn) \
((DLGPROC)SetWindowLong(hwndDlg, DWL_DLGPROC, (LPARAM)(DLGPROC)(lpfn)))
#define SetDlgMsgResult(hwnd, msg, result) (( \
(msg) == WM_CTLCOLORMSGBOX || \
(msg) == WM_CTLCOLOREDIT || \
(msg) == WM_CTLCOLORLISTBOX || \
(msg) == WM_CTLCOLORBTN || \
(msg) == WM_CTLCOLORDLG || \
(msg) == WM_CTLCOLORSCROLLBAR || \
(msg) == WM_CTLCOLORSTATIC || \
(msg) == WM_COMPAREITEM || \
(msg) == WM_VKEYTOITEM || \
(msg) == WM_CHARTOITEM || \
(msg) == WM_QUERYDRAGICON || \
(msg) == WM_INITDIALOG \
) ? (BOOL)(result) : (SetWindowLong((hwnd), DWL_MSGRESULT, (LPARAM)(LRESULT)(result)), TRUE))
#define DefDlgProcEx(hwnd, msg, wParam, lParam, pfRecursion) \
(*(pfRecursion) = TRUE, DefDlgProc(hwnd, msg, wParam, lParam))
#define CheckDefDlgRecursion(pfRecursion) \
if (*(pfRecursion)) { *(pfRecursion) = FALSE; return FALSE; }
/****** Message crackers ****************************************************/
#define HANDLE_MSG(hwnd, message, fn) \
case (message): return HANDLE_##message((hwnd), (wParam), (lParam), (fn))
/* void Cls_OnCompacting(HWND hwnd, UINT compactRatio) */
#define HANDLE_WM_COMPACTING(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (UINT)(wParam)), 0L)
#define FORWARD_WM_COMPACTING(hwnd, compactRatio, fn) \
(void)(fn)((hwnd), WM_COMPACTING, (WPARAM)(UINT)(compactRatio), 0L)
/* void Cls_OnWinIniChange(HWND hwnd, LPCTSTR lpszSectionName) */
#define HANDLE_WM_WININICHANGE(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (LPCTSTR)(lParam)), 0L)
#define FORWARD_WM_WININICHANGE(hwnd, lpszSectionName, fn) \
(void)(fn)((hwnd), WM_WININICHANGE, 0L, (LPARAM)(LPCTSTR)(lpszSectionName))
/* void Cls_OnSysColorChange(HWND hwnd) */
#define HANDLE_WM_SYSCOLORCHANGE(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_SYSCOLORCHANGE(hwnd, fn) \
(void)(fn)((hwnd), WM_SYSCOLORCHANGE, 0L, 0L)
/* BOOL Cls_OnQueryNewPalette(HWND hwnd) */
#define HANDLE_WM_QUERYNEWPALETTE(hwnd, wParam, lParam, fn) \
MAKELRESULT((BOOL)(fn)(hwnd), 0L)
#define FORWARD_WM_QUERYNEWPALETTE(hwnd, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_QUERYNEWPALETTE, 0L, 0L)
/* void Cls_OnPaletteIsChanging(HWND hwnd, HWND hwndPaletteChange) */
#define HANDLE_WM_PALETTEISCHANGING(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(wParam)), 0L)
#define FORWARD_WM_PALETTEISCHANGING(hwnd, hwndPaletteChange, fn) \
(void)(fn)((hwnd), WM_PALETTEISCHANGING, (WPARAM)(HWND)(hwndPaletteChange), 0L)
/* void Cls_OnPaletteChanged(HWND hwnd, HWND hwndPaletteChange) */
#define HANDLE_WM_PALETTECHANGED(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(wParam)), 0L)
#define FORWARD_WM_PALETTECHANGED(hwnd, hwndPalet
teChange, fn) \
(void)(fn)((hwnd), WM_PALETTECHANGED, (WPARAM)(HWND)(hwndPaletteChange), 0L)
/* void Cls_OnFontChange(HWND hwnd) */
#define HANDLE_WM_FONTCHANGE(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_FONTCHANGE(hwnd, fn) \
(void)(fn)((hwnd), WM_FONTCHANGE, 0L, 0L)
/* void Cls_OnSpoolerStatus(HWND hwnd, UINT status, int cJobInQueue) */
#define HANDLE_WM_SPOOLERSTATUS(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (UINT)(wParam), (int)(short)LOWORD(lParam)), 0L)
#define FORWARD_WM_SPOOLERSTATUS(hwnd, status, cJobInQueue, fn) \
(void)(fn)((hwnd), WM_SPOOLERSTATUS, (WPARAM)(status), MAKELPARAM((cJobInQueue), 0))
/* void Cls_OnDevModeChange(HWND hwnd, LPCTSTR lpszDeviceName) */
#define HANDLE_WM_DEVMODECHANGE(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (LPCTSTR)(lParam)), 0L)
#define FORWARD_WM_DEVMODECHANGE(hwnd, lpszDeviceName, fn) \
(void)(fn)((hwnd), WM_DEVMODECHANGE, 0L, (LPARAM)(LPCTSTR)(lpszDeviceName))
/* void Cls_OnTimeChange(HWND hwnd) */
#define HANDLE_WM_TIMECHANGE(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_TIMECHANGE(hwnd, fn) \
(void)(fn)((hwnd), WM_TIMECHANGE, 0L, 0L)
/* void Cls_OnPower(HWND hwnd, int code) */
#define HANDLE_WM_POWER(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(wParam)), 0L)
#define FORWARD_WM_POWER(hwnd, code, fn) \
(void)(fn)((hwnd), WM_POWER, (WPARAM)(int)(code), 0L)
/* BOOL Cls_OnQueryEndSession(HWND hwnd) */
#define HANDLE_WM_QUERYENDSESSION(hwnd, wParam, lParam, fn) \
MAKELRESULT((BOOL)(fn)(hwnd), 0L)
#define FORWARD_WM_QUERYENDSESSION(hwnd, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_QUERYENDSESSION, 0L, 0L)
/* void Cls_OnEndSession(HWND hwnd, BOOL fEnding) */
#define HANDLE_WM_ENDSESSION(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (BOOL)(wParam)), 0L)
#define FORWARD_WM_ENDSESSION(hwnd, fEnding, fn) \
(void)(fn)((hwnd), WM_ENDSESSION, (WPARAM)(BOOL)(fEnding), 0L)
/* void Cls_OnQuit(HWND hwnd, int exitCode) */
#define HANDLE_WM_QUIT(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(wParam)), 0L)
#define FORWARD_WM_QUIT(hwnd, exitCode, fn) \
(void)(fn)((hwnd), WM_QUIT, (WPARAM)(exitCode), 0L)
/* This message is in Windows 3.1 only */
/* void Cls_OnSystemError(HWND hwnd, int errCode) */
#define HANDLE_WM_SYSTEMERROR(hwnd, wParam, lParam, fn) 0L
#define FORWARD_WM_SYSTEMERROR(hwnd, errCode, fn) 0L
/* BOOL Cls_OnCreate(HWND hwnd, LPCREATESTRUCT lpCreateStruct) */
#define HANDLE_WM_CREATE(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (LPCREATESTRUCT)(lParam)) ? 0L : (LRESULT)-1L)
#define FORWARD_WM_CREATE(hwnd, lpCreateStruct, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_CREATE, 0L, (LPARAM)(LPCREATESTRUCT)(lpCreateStruct))
/* BOOL Cls_OnNCCreate(HWND hwnd, LPCREATESTRUCT lpCreateStruct) */
#define HANDLE_WM_NCCREATE(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(BOOL)(fn)((hwnd), (LPCREATESTRUCT)(lParam))
#define FORWARD_WM_NCCREATE(hwnd, lpCreateStr
uct, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_NCCREATE, 0L, (LPARAM)(LPCREATESTRUCT)(lpCreateStruct))
/* void Cls_OnDestroy(HWND hwnd) */
#define HANDLE_WM_DESTROY(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_DESTROY(hwnd, fn) \
(void)(fn)((hwnd), WM_DESTROY, 0L, 0L)
/* void Cls_OnNCDestroy(HWND hwnd) */
#define HANDLE_WM_NCDESTROY(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_NCDESTROY(hwnd, fn) \
(void)(fn)((hwnd), WM_NCDESTROY, 0L, 0L)
/* void Cls_OnShowWindow(HWND hwnd, BOOL fShow, UINT status) */
#define HANDLE_WM_SHOWWINDOW(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (BOOL)(wParam), (UINT)(lParam)), 0L)
#define FORWARD_WM_SHOWWINDOW(hwnd, fShow, status, fn) \
(void)(fn)((hwnd), WM_SHOWWINDOW, (WPARAM)(BOOL)(fShow), (LPARAM)(UINT)(status))
/* void Cls_OnSetRedraw(HWND hwnd, BOOL fRedraw) */
#define HANDLE_WM_SETREDRAW(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (BOOL)(wParam)), 0L)
#define FORWARD_WM_SETREDRAW(hwnd, fRedraw, fn) \
(void)(fn)((hwnd), WM_SETREDRAW, (WPARAM)(BOOL)(fRedraw), 0L)
/* void Cls_OnEnable(HWND hwnd, BOOL fEnable) */
#define HANDLE_WM_ENABLE(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (BOOL)(wParam)), 0L)
#define FORWARD_WM_ENABLE(hwnd, fEnable, fn) \
(void)(fn)((hwnd), WM_ENABLE, (WPARAM)(BOOL)(fEnable), 0L)
/* void Cls_OnSetText(HWND hwnd, LPCTSTR lpszText) */
#define HANDLE_WM_SETTEXT(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (LPCTSTR)(lParam)), 0L)
#define FORWARD_WM_SETTEXT(hwnd, lpszText, fn) \
(void)(fn)((hwnd), WM_SETTEXT, 0L, (LPARAM)(LPCTSTR)(lpszText))
/* INT Cls_OnGetText(HWND hwnd, int cchTextMax, LPTSTR lpszText) */
#define HANDLE_WM_GETTEXT(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(int)(fn)((hwnd), (int)(wParam), (LPTSTR)(lParam))
#define FORWARD_WM_GETTEXT(hwnd, cchTextMax, lpszText, fn) \
(int)(DWORD)(fn)((hwnd), WM_GETTEXT, (WPARAM)(int)(cchTextMax), (LPARAM)(LPTSTR)(lpszText))
/* INT Cls_OnGetTextLength(HWND hwnd) */
#define HANDLE_WM_GETTEXTLENGTH(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(int)(fn)(hwnd)
#define FORWARD_WM_GETTEXTLENGTH(hwnd, fn) \
(int)(DWORD)(fn)((hwnd), WM_GETTEXTLENGTH, 0L, 0L)
/* BOOL Cls_OnWindowPosChanging(HWND hwnd, LPWINDOWPOS lpwpos) */
#define HANDLE_WM_WINDOWPOSCHANGING(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(BOOL)(fn)((hwnd), (LPWINDOWPOS)(lParam))
#define FORWARD_WM_WINDOWPOSCHANGING(hwnd, lpwpos, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_WINDOWPOSCHANGING, 0L, (LPARAM)(LPWINDOWPOS)(lpwpos))
/* void Cls_OnWindowPosChanged(HWND hwnd, const LPWINDOWPOS lpwpos) */
#define HANDLE_WM_WINDOWPOSCHANGED(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (const LPWINDOWPOS)(lParam)), 0L)
#define FORWARD_WM_WINDOWPOSCHANGED(hwnd, lpwpos, fn) \
(void)(fn)((hwnd), WM_WINDOWPOSCHANGED, 0L, (LPARAM)(const LPWINDOWPOS)(lpwpos))
/* void Cls_OnMove(HWND hwnd, int x, int y) */
#define HANDLE_WM_MOVE(hwnd, wParam
, lParam, fn) \
((fn)((hwnd), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam)), 0L)
#define FORWARD_WM_MOVE(hwnd, x, y, fn) \
(void)(fn)((hwnd), WM_MOVE, 0L, MAKELPARAM((x), (y)))
/* void Cls_OnSize(HWND hwnd, UINT state, int cx, int cy) */
#define HANDLE_WM_SIZE(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (UINT)(wParam), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam)), 0L)
#define FORWARD_WM_SIZE(hwnd, state, cx, cy, fn) \
(void)(fn)((hwnd), WM_SIZE, (WPARAM)(UINT)(state), MAKELPARAM((cx), (cy)))
/* void Cls_OnClose(HWND hwnd) */
#define HANDLE_WM_CLOSE(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_CLOSE(hwnd, fn) \
(void)(fn)((hwnd), WM_CLOSE, 0L, 0L)
/* BOOL Cls_OnQueryOpen(HWND hwnd) */
#define HANDLE_WM_QUERYOPEN(hwnd, wParam, lParam, fn) \
MAKELRESULT((BOOL)(fn)(hwnd), 0L)
#define FORWARD_WM_QUERYOPEN(hwnd, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_QUERYOPEN, 0L, 0L)
/* void Cls_OnGetMinMaxInfo(HWND hwnd, LPMINMAXINFO lpMinMaxInfo) */
#define HANDLE_WM_GETMINMAXINFO(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (LPMINMAXINFO)(lParam)), 0L)
#define FORWARD_WM_GETMINMAXINFO(hwnd, lpMinMaxInfo, fn) \
(void)(fn)((hwnd), WM_GETMINMAXINFO, 0L, (LPARAM)(LPMINMAXINFO)(lpMinMaxInfo))
/* void Cls_OnPaint(HWND hwnd) */
#define HANDLE_WM_PAINT(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_PAINT(hwnd, fn) \
(void)(fn)((hwnd), WM_PAINT, 0L, 0L)
/* BOOL Cls_OnEraseBkgnd(HWND hwnd, HDC hdc) */
#define HANDLE_WM_ERASEBKGND(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(BOOL)(fn)((hwnd), (HDC)(wParam))
#define FORWARD_WM_ERASEBKGND(hwnd, hdc, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_ERASEBKGND, (WPARAM)(HDC)(hdc), 0L)
/* BOOL Cls_OnIconEraseBkgnd(HWND hwnd, HDC hdc) */
#define HANDLE_WM_ICONERASEBKGND(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(BOOL)(fn)((hwnd), (HDC)(wParam))
#define FORWARD_WM_ICONERASEBKGND(hwnd, hdc, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_ICONERASEBKGND, (WPARAM)(HDC)(hdc), 0L)
/* void Cls_OnNCPaint(HWND hwnd, HRGN hrgn) */
#define HANDLE_WM_NCPAINT(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HRGN)(wParam)), 0L)
#define FORWARD_WM_NCPAINT(hwnd, hrgn, fn) \
(void)(fn)((hwnd), WM_NCPAINT, (WPARAM)(HRGN)(hrgn), 0L)
/* UINT Cls_OnNCCalcSize(HWND hwnd, BOOL fCalcValidRects, NCCALCSIZE_PARAMS * lpcsp) */
#define HANDLE_WM_NCCALCSIZE(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(fn)((hwnd), (BOOL)(0), (NCCALCSIZE_PARAMS *)(lParam))
#define FORWARD_WM_NCCALCSIZE(hwnd, fCalcValidRects, lpcsp, fn) \
(UINT)(DWORD)(fn)((hwnd), WM_NCCALCSIZE, 0L, (LPARAM)(NCCALCSIZE_PARAMS *)(lpcsp))
/* UINT Cls_OnNCHitTest(HWND hwnd, int x, int y) */
#define HANDLE_WM_NCHITTEST(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(fn)((hwnd), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam))
#define FORWARD_WM_NCHITTEST(hwnd, x, y, fn) \
(UINT)(DWORD)(fn)((hwnd), WM_NCHITTEST
, 0L, MAKELPARAM((x), (y)))
/* HICON Cls_OnQueryDragIcon(HWND hwnd) */
#define HANDLE_WM_QUERYDRAGICON(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(fn)(hwnd)
#define FORWARD_WM_QUERYDRAGICON(hwnd, fn) \
(HICON)(UINT)(DWORD)(fn)((hwnd), WM_QUERYDRAGICON, 0L, 0L)
#ifdef _INC_SHELLAPI
/* void Cls_OnDropFiles(HWND hwnd, HDROP hdrop) */
#define HANDLE_WM_DROPFILES(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HDROP)(wParam)), 0L)
#define FORWARD_WM_DROPFILES(hwnd, hdrop, fn) \
(void)(fn)((hwnd), WM_DROPFILES, (WPARAM)(HDROP)(hdrop), 0L)
#endif /* _INC_SHELLAPI */
/* void Cls_OnActivate(HWND hwnd, UINT state, HWND hwndActDeact, BOOL fMinimized) */
#define HANDLE_WM_ACTIVATE(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (UINT)LOWORD(wParam), (HWND)(lParam), (BOOL)HIWORD(wParam)), 0L)
#define FORWARD_WM_ACTIVATE(hwnd, state, hwndActDeact, fMinimized, fn) \
(void)(fn)((hwnd), WM_ACTIVATE, MAKEWPARAM((state), (fMinimized)), (LPARAM)(HWND)(hwndActDeact))
/* void Cls_OnActivateApp(HWND hwnd, BOOL fActivate, DWORD dwThreadId) */
#define HANDLE_WM_ACTIVATEAPP(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (BOOL)(wParam), (DWORD)(lParam)), 0L)
#define FORWARD_WM_ACTIVATEAPP(hwnd, fActivate, dwThreadId, fn) \
(void)(fn)((hwnd), WM_ACTIVATEAPP, (WPARAM)(BOOL)(fActivate), (LPARAM)(dwThreadId))
/* BOOL Cls_OnNCActivate(HWND hwnd, BOOL fActive, HWND hwndActDeact, BOOL fMinimized) */
#define HANDLE_WM_NCACTIVATE(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(BOOL)(fn)((hwnd), (BOOL)(wParam), 0L, 0L)
#define FORWARD_WM_NCACTIVATE(hwnd, fActive, hwndActDeact, fMinimized, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_NCACTIVATE, (WPARAM)(BOOL)(fActive), 0L)
/* void Cls_OnSetFocus(HWND hwnd, HWND hwndOldFocus) */
#define HANDLE_WM_SETFOCUS(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(wParam)), 0L)
#define FORWARD_WM_SETFOCUS(hwnd, hwndOldFocus, fn) \
(void)(fn)((hwnd), WM_SETFOCUS, (WPARAM)(HWND)(hwndOldFocus), 0L)
/* void Cls_OnKillFocus(HWND hwnd, HWND hwndNewFocus) */
#define HANDLE_WM_KILLFOCUS(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(wParam)), 0L)
#define FORWARD_WM_KILLFOCUS(hwnd, hwndNewFocus, fn) \
(void)(fn)((hwnd), WM_KILLFOCUS, (WPARAM)(HWND)(hwndNewFocus), 0L)
/* void Cls_OnKey(HWND hwnd, UINT vk, BOOL fDown, int cRepeat, UINT flags) */
#define HANDLE_WM_KEYDOWN(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (UINT)(wParam), TRUE, (int)(short)LOWORD(lParam), (UINT)HIWORD(lParam)), 0L)
#define FORWARD_WM_KEYDOWN(hwnd, vk, cRepeat, flags, fn) \
(void)(fn)((hwnd), WM_KEYDOWN, (WPARAM)(UINT)(vk), MAKELPARAM((cRepeat), (flags)))
/* void Cls_OnKey(HWND hwnd, UINT vk, BOOL fDown, int cRepeat, UINT flags) */
#define HANDLE_WM_KEYUP(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (UINT)(wParam), FALSE, (int)(short)LOWORD(lParam), (UINT)HIWORD(lParam)), 0L)
#define FORWARD_WM_KEYUP(hwnd, vk, cRepeat, flags, fn) \
(void)(fn)((hwnd), WM_KEYUP, (WPARAM)(U
INT)(vk), MAKELPARAM((cRepeat), (flags)))
/* void Cls_OnChar(HWND hwnd, TCHAR ch, int cRepeat) */
#define HANDLE_WM_CHAR(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (TCHAR)(wParam), (int)(short)LOWORD(lParam)), 0L)
#define FORWARD_WM_CHAR(hwnd, ch, cRepeat, fn) \
(void)(fn)((hwnd), WM_CHAR, (WPARAM)(TCHAR)(ch), MAKELPARAM((cRepeat),0))
/* void Cls_OnDeadChar(HWND hwnd, TCHAR ch, int cRepeat) */
#define HANDLE_WM_DEADCHAR(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (TCHAR)(wParam), (int)(short)LOWORD(lParam)), 0L)
#define FORWARD_WM_DEADCHAR(hwnd, ch, cRepeat, fn) \
(void)(fn)((hwnd), WM_DEADCHAR, (WPARAM)(TCHAR)(ch), MAKELPARAM((cRepeat),0))
/* void Cls_OnSysKey(HWND hwnd, UINT vk, BOOL fDown, int cRepeat, UINT flags) */
#define HANDLE_WM_SYSKEYDOWN(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (UINT)(wParam), TRUE, (int)(short)LOWORD(lParam), (UINT)HIWORD(lParam)), 0L)
#define FORWARD_WM_SYSKEYDOWN(hwnd, vk, cRepeat, flags, fn) \
(void)(fn)((hwnd), WM_SYSKEYDOWN, (WPARAM)(UINT)(vk), MAKELPARAM((cRepeat), (flags)))
/* void Cls_OnSysKey(HWND hwnd, UINT vk, BOOL fDown, int cRepeat, UINT flags) */
#define HANDLE_WM_SYSKEYUP(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (UINT)(wParam), FALSE, (int)(short)LOWORD(lParam), (UINT)HIWORD(lParam)), 0L)
#define FORWARD_WM_SYSKEYUP(hwnd, vk, cRepeat, flags, fn) \
(void)(fn)((hwnd), WM_SYSKEYUP, (WPARAM)(UINT)(vk), MAKELPARAM((cRepeat), (flags)))
/* void Cls_OnSysChar(HWND hwnd, TCHAR ch, int cRepeat) */
#define HANDLE_WM_SYSCHAR(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (TCHAR)(wParam), (int)(short)LOWORD(lParam)), 0L)
#define FORWARD_WM_SYSCHAR(hwnd, ch, cRepeat, fn) \
(void)(fn)((hwnd), WM_SYSCHAR, (WPARAM)(TCHAR)(ch), MAKELPARAM((cRepeat), 0))
/* void Cls_OnSysDeadChar(HWND hwnd, TCHAR ch, int cRepeat) */
#define HANDLE_WM_SYSDEADCHAR(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (TCHAR)(wParam), (int)(short)LOWORD(lParam)), 0L)
#define FORWARD_WM_SYSDEADCHAR(hwnd, ch, cRepeat, fn) \
(void)(fn)((hwnd), WM_SYSDEADCHAR, (WPARAM)(TCHAR)(ch), MAKELPARAM((cRepeat), 0))
/* void Cls_OnMouseMove(HWND hwnd, int x, int y, UINT keyFlags) */
#define HANDLE_WM_MOUSEMOVE(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_MOUSEMOVE(hwnd, x, y, keyFlags, fn) \
(void)(fn)((hwnd), WM_MOUSEMOVE, (WPARAM)(UINT)(keyFlags), MAKELPARAM((x), (y)))
/* void Cls_OnLButtonDown(HWND hwnd, BOOL fDoubleClick, int x, int y, UINT keyFlags) */
#define HANDLE_WM_LBUTTONDOWN(hwnd, wParam, lParam, fn) \
((fn)((hwnd), FALSE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_LBUTTONDOWN(hwnd, fDoubleClick, x, y, keyFlags, fn) \
(void)(fn)((hwnd), (fDoubleClick) ? WM_LBUTTONDBLCLK : WM_LBUTTONDOWN, (WPARAM)(UINT)(keyFlags), MAKELPARAM((x), (y)))
/* void Cls_OnLButtonDown(HWND hwnd, BOOL fDoubleClick, int x, i
nt y, UINT keyFlags) */
#define HANDLE_WM_LBUTTONDBLCLK(hwnd, wParam, lParam, fn) \
((fn)((hwnd), TRUE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
/* void Cls_OnLButtonUp(HWND hwnd, int x, int y, UINT keyFlags) */
#define HANDLE_WM_LBUTTONUP(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_LBUTTONUP(hwnd, x, y, keyFlags, fn) \
(void)(fn)((hwnd), WM_LBUTTONUP, (WPARAM)(UINT)(keyFlags), MAKELPARAM((x), (y)))
/* void Cls_OnRButtonDown(HWND hwnd, BOOL fDoubleClick, int x, int y, UINT keyFlags) */
#define HANDLE_WM_RBUTTONDOWN(hwnd, wParam, lParam, fn) \
((fn)((hwnd), FALSE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_RBUTTONDOWN(hwnd, fDoubleClick, x, y, keyFlags, fn) \
(void)(fn)((hwnd), (fDoubleClick) ? WM_RBUTTONDBLCLK : WM_RBUTTONDOWN, (WPARAM)(UINT)(keyFlags), MAKELPARAM((x), (y)))
/* void Cls_OnRButtonDown(HWND hwnd, BOOL fDoubleClick, int x, int y, UINT keyFlags) */
#define HANDLE_WM_RBUTTONDBLCLK(hwnd, wParam, lParam, fn) \
((fn)((hwnd), TRUE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
/* void Cls_OnRButtonUp(HWND hwnd, int x, int y, UINT flags) */
#define HANDLE_WM_RBUTTONUP(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_RBUTTONUP(hwnd, x, y, keyFlags, fn) \
(void)(fn)((hwnd), WM_RBUTTONUP, (WPARAM)(UINT)(keyFlags), MAKELPARAM((x), (y)))
/* void Cls_OnMButtonDown(HWND hwnd, BOOL fDoubleClick, int x, int y, UINT keyFlags) */
#define HANDLE_WM_MBUTTONDOWN(hwnd, wParam, lParam, fn) \
((fn)((hwnd), FALSE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_MBUTTONDOWN(hwnd, fDoubleClick, x, y, keyFlags, fn) \
(void)(fn)((hwnd), (fDoubleClick) ? WM_MBUTTONDBLCLK : WM_MBUTTONDOWN, (WPARAM)(UINT)(keyFlags), MAKELPARAM((x), (y)))
/* void Cls_OnMButtonDown(HWND hwnd, BOOL fDoubleClick, int x, int y, UINT keyFlags) */
#define HANDLE_WM_MBUTTONDBLCLK(hwnd, wParam, lParam, fn) \
((fn)((hwnd), TRUE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
/* void Cls_OnMButtonUp(HWND hwnd, int x, int y, UINT flags) */
#define HANDLE_WM_MBUTTONUP(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_MBUTTONUP(hwnd, x, y, keyFlags, fn) \
(void)(fn)((hwnd), WM_MBUTTONUP, (WPARAM)(UINT)(keyFlags), MAKELPARAM((x), (y)))
/* void Cls_OnNCMouseMove(HWND hwnd, int x, int y, UINT codeHitTest) */
#define HANDLE_WM_NCMOUSEMOVE(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_NCMOUSEMOVE(hwnd, x, y, codeHitTest, fn) \
(void)(fn)
((hwnd), WM_NCMOUSEMOVE, (WPARAM)(UINT)(codeHitTest), MAKELPARAM((x), (y)))
/* void Cls_OnNCLButtonDown(HWND hwnd, BOOL fDoubleClick, int x, int y, UINT codeHitTest) */
#define HANDLE_WM_NCLBUTTONDOWN(hwnd, wParam, lParam, fn) \
((fn)((hwnd), FALSE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_NCLBUTTONDOWN(hwnd, fDoubleClick, x, y, codeHitTest, fn) \
(void)(fn)((hwnd), (fDoubleClick) ? WM_NCLBUTTONDBLCLK : WM_NCLBUTTONDOWN, (WPARAM)(UINT)(codeHitTest), MAKELPARAM((x), (y)))
/* void Cls_OnNCLButtonDown(HWND hwnd, BOOL fDoubleClick, int x, int y, UINT codeHitTest) */
#define HANDLE_WM_NCLBUTTONDBLCLK(hwnd, wParam, lParam, fn) \
((fn)((hwnd), TRUE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
/* void Cls_OnNCLButtonUp(HWND hwnd, int x, int y, UINT codeHitTest) */
#define HANDLE_WM_NCLBUTTONUP(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_NCLBUTTONUP(hwnd, x, y, codeHitTest, fn) \
(void)(fn)((hwnd), WM_NCLBUTTONUP, (WPARAM)(UINT)(codeHitTest), MAKELPARAM((x), (y)))
/* void Cls_OnNCRButtonDown(HWND hwnd, BOOL fDoubleClick, int x, int y, UINT codeHitTest) */
#define HANDLE_WM_NCRBUTTONDOWN(hwnd, wParam, lParam, fn) \
((fn)((hwnd), FALSE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_NCRBUTTONDOWN(hwnd, fDoubleClick, x, y, codeHitTest, fn) \
(void)(fn)((hwnd), (fDoubleClick) ? WM_NCRBUTTONDBLCLK : WM_NCRBUTTONDOWN, (WPARAM)(UINT)(codeHitTest), MAKELPARAM((x), (y)) )
/* void Cls_OnNCRButtonDown(HWND hwnd, BOOL fDoubleClick, int x, int y, UINT codeHitTest) */
#define HANDLE_WM_NCRBUTTONDBLCLK(hwnd, wParam, lParam, fn) \
((fn)((hwnd), TRUE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
/* void Cls_OnNCRButtonUp(HWND hwnd, int x, int y, UINT codeHitTest) */
#define HANDLE_WM_NCRBUTTONUP(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_NCRBUTTONUP(hwnd, x, y, codeHitTest, fn) \
(void)(fn)((hwnd), WM_NCRBUTTONUP, (WPARAM)(UINT)(codeHitTest), MAKELPARAM((x), (y)) )
/* void Cls_OnNCMButtonDown(HWND hwnd, BOOL fDoubleClick, int x, int y, UINT codeHitTest) */
#define HANDLE_WM_NCMBUTTONDOWN(hwnd, wParam, lParam, fn) \
((fn)((hwnd), FALSE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_NCMBUTTONDOWN(hwnd, fDoubleClick, x, y, codeHitTest, fn) \
(void)(fn)((hwnd), (fDoubleClick) ? WM_NCMBUTTONDBLCLK : WM_NCMBUTTONDOWN, (WPARAM)(UINT)(codeHitTest), MAKELPARAM((x), (y)) )
/* void Cls_OnNCMButtonDown(HWND hwnd, BOOL fDoubleClick, int x, int y, UINT codeHitTest) */
#define HANDLE_WM_NCMBUTTONDBLCLK(hwnd, wParam, lParam, fn) \
((fn)((hwnd), TRUE, (int)(short)LOWORD(lParam), (int)(sho
rt)HIWORD(lParam), (UINT)(wParam)), 0L)
/* void Cls_OnNCMButtonUp(HWND hwnd, int x, int y, UINT codeHitTest) */
#define HANDLE_WM_NCMBUTTONUP(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#define FORWARD_WM_NCMBUTTONUP(hwnd, x, y, codeHitTest, fn) \
(void)(fn)((hwnd), WM_NCMBUTTONUP, (WPARAM)(UINT)(codeHitTest), MAKELPARAM((x), (y)) )
/* int Cls_OnMouseActivate(HWND hwnd, HWND hwndTopLevel, UINT codeHitTest, UINT msg) */
#define HANDLE_WM_MOUSEACTIVATE(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(int)(fn)((hwnd), (HWND)(wParam), (UINT)LOWORD(lParam), (UINT)HIWORD(lParam))
#define FORWARD_WM_MOUSEACTIVATE(hwnd, hwndTopLevel, codeHitTest, msg, fn) \
(int)(DWORD)(fn)((hwnd), WM_MOUSEACTIVATE, (WPARAM)(HWND)(hwndTopLevel), MAKELPARAM((codeHitTest), (msg)))
/* void Cls_OnCancelMode(HWND hwnd) */
#define HANDLE_WM_CANCELMODE(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_CANCELMODE(hwnd, fn) \
(void)(fn)((hwnd), WM_CANCELMODE, 0L, 0L)
/* void Cls_OnTimer(HWND hwnd, UINT id) */
#define HANDLE_WM_TIMER(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (UINT)(wParam)), 0L)
#define FORWARD_WM_TIMER(hwnd, id, fn) \
(void)(fn)((hwnd), WM_TIMER, (WPARAM)(UINT)(id), 0L)
/* void Cls_OnInitMenu(HWND hwnd, HMENU hMenu) */
#define HANDLE_WM_INITMENU(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HMENU)(wParam)), 0L)
#define FORWARD_WM_INITMENU(hwnd, hMenu, fn) \
(void)(fn)((hwnd), WM_INITMENU, (WPARAM)(HMENU)(hMenu), 0L)
/* void Cls_OnInitMenuPopup(HWND hwnd, HMENU hMenu, UINT item, BOOL fSystemMenu) */
#define HANDLE_WM_INITMENUPOPUP(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HMENU)(wParam), (UINT)LOWORD(lParam), (BOOL)HIWORD(lParam)), 0L)
#define FORWARD_WM_INITMENUPOPUP(hwnd, hMenu, item, fSystemMenu, fn) \
(void)(fn)((hwnd), WM_INITMENUPOPUP, (WPARAM)(HMENU)(hMenu), MAKELPARAM((item),(fSystemMenu)))
/* void Cls_OnMenuSelect(HWND hwnd, HMENU hmenu, int item, HMENU hmenuPopup, UINT flags) */
#define HANDLE_WM_MENUSELECT(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (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)
#define FORWARD_WM_MENUSELECT(hwnd, hmenu, item, hmenuPopup, flags, fn) \
(void)(fn)((hwnd), WM_MENUSELECT, MAKEWPARAM((item), (flags)), (LPARAM)(HMENU)((hmenu) ? (hmenu) : (hmenuPopup)))
/* DWORD Cls_OnMenuChar(HWND hwnd, UINT ch, UINT flags, HMENU hmenu) */
#define HANDLE_WM_MENUCHAR(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(fn)((hwnd), (UINT)(LOWORD(wParam)), (UINT)HIWORD(wParam), (HMENU)(lParam))
#define FORWARD_WM_MENUCHAR(hwnd, ch, flags, hmenu, fn) \
(DWORD)(fn)((hwnd), WM_MENUCHAR, MAKEWPARAM(flags, (WORD)(ch)), (LPARAM)(HMENU)(h
menu))
/* void Cls_OnCommand(HWND hwnd, int id, HWND hwndCtl, UINT codeNotify) */
#define HANDLE_WM_COMMAND(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(LOWORD(wParam)), (HWND)(lParam), (UINT)HIWORD(wParam)), 0L)
#define FORWARD_WM_COMMAND(hwnd, id, hwndCtl, codeNotify, fn) \
(void)(fn)((hwnd), WM_COMMAND, MAKEWPARAM((UINT)(id),(UINT)(codeNotify)), (LPARAM)(HWND)(hwndCtl))
/* void Cls_OnHScroll(HWND hwnd, HWND hwndCtl, UINT code, int pos) */
#define HANDLE_WM_HSCROLL(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(lParam), (UINT)(LOWORD(wParam)), (int)(short)HIWORD(wParam)), 0L)
#define FORWARD_WM_HSCROLL(hwnd, hwndCtl, code, pos, fn) \
(void)(fn)((hwnd), WM_HSCROLL, MAKEWPARAM((UINT)(int)(code),(UINT)(int)(pos)), (LPARAM)(UINT)(hwndCtl))
/* void Cls_OnVScroll(HWND hwnd, HWND hwndCtl, UINT code, int pos) */
#define HANDLE_WM_VSCROLL(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(lParam), (UINT)(LOWORD(wParam)), (int)(short)HIWORD(wParam)), 0L)
#define FORWARD_WM_VSCROLL(hwnd, hwndCtl, code, pos, fn) \
(void)(fn)((hwnd), WM_VSCROLL, MAKEWPARAM((UINT)(int)(code), (UINT)(int)(pos)), (LPARAM)(HWND)(hwndCtl))
/* void Cls_OnCut(HWND hwnd) */
#define HANDLE_WM_CUT(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_CUT(hwnd, fn) \
(void)(fn)((hwnd), WM_CUT, 0L, 0L)
/* void Cls_OnCopy(HWND hwnd) */
#define HANDLE_WM_COPY(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_COPY(hwnd, fn) \
(void)(fn)((hwnd), WM_COPY, 0L, 0L)
/* void Cls_OnPaste(HWND hwnd) */
#define HANDLE_WM_PASTE(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_PASTE(hwnd, fn) \
(void)(fn)((hwnd), WM_PASTE, 0L, 0L)
/* void Cls_OnClear(HWND hwnd) */
#define HANDLE_WM_CLEAR(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_CLEAR(hwnd, fn) \
(void)(fn)((hwnd), WM_CLEAR, 0L, 0L)
/* void Cls_OnUndo(HWND hwnd) */
#define HANDLE_WM_UNDO(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_UNDO(hwnd, fn) \
(void)(fn)((hwnd), WM_UNDO, 0L, 0L)
/* HANDLE Cls_OnRenderFormat(HWND hwnd, UINT fmt) */
#define HANDLE_WM_RENDERFORMAT(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(HANDLE)(fn)((hwnd), (UINT)(wParam))
#define FORWARD_WM_RENDERFORMAT(hwnd, fmt, fn) \
(HANDLE)(UINT)(DWORD)(fn)((hwnd), WM_RENDERFORMAT, (WPARAM)(UINT)(fmt), 0L)
/* void Cls_OnRenderAllFormats(HWND hwnd) */
#define HANDLE_WM_RENDERALLFORMATS(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_RENDERALLFORMATS(hwnd, fn) \
(void)(fn)((hwnd), WM_RENDERALLFORMATS, 0L, 0L)
/* void Cls_OnDestroyClipboard(HWND hwnd) */
#define HANDLE_WM_DESTROYCLIPBOARD(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_DESTROYCLIPBOARD(hwnd, fn) \
(void)(fn)((hwnd), WM_DESTROYCLIPBOARD, 0L, 0L)
/* void Cls_OnDrawClipboard(HWND hwnd) */
#define HANDLE_WM_DRAWCLIPBOARD(hwnd, wParam, lParam,
fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_DRAWCLIPBOARD(hwnd, fn) \
(void)(fn)((hwnd), WM_DRAWCLIPBOARD, 0L, 0L)
/* void Cls_OnPaintClipboard(HWND hwnd, HWND hwndCBViewer, const LPPAINTSTRUCT lpPaintStruct) */
#define HANDLE_WM_PAINTCLIPBOARD(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(wParam), (const LPPAINTSTRUCT)GlobalLock((HGLOBAL)(lParam))), GlobalUnlock((HGLOBAL)(lParam)), 0L)
#define FORWARD_WM_PAINTCLIPBOARD(hwnd, hwndCBViewer, lpPaintStruct, fn) \
(void)(fn)((hwnd), WM_PAINTCLIPBOARD, (WPARAM)(HWND)(hwndCBViewer), (LPARAM)(LPPAINTSTRUCT)(lpPaintStruct))
/* void Cls_OnSizeClipboard(HWND hwnd, HWND hwndCBViewer, const LPRECT lprc) */
#define HANDLE_WM_SIZECLIPBOARD(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(wParam), (const LPRECT)GlobalLock((HGLOBAL)(lParam))), GlobalUnlock((HGLOBAL)(lParam)), 0L)
#define FORWARD_WM_SIZECLIPBOARD(hwnd, hwndCBViewer, lprc, fn) \
(void)(fn)((hwnd), WM_SIZECLIPBOARD, (WPARAM)(HWND)(hwndCBViewer), (LPARAM)(LPRECT)(lprc))
/* void Cls_OnVScrollClipboard(HWND hwnd, HWND hwndCBViewer, UINT code, int pos) */
#define HANDLE_WM_VSCROLLCLIPBOARD(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(wParam), (UINT)LOWORD(lParam), (int)(short)HIWORD(lParam)), 0L)
#define FORWARD_WM_VSCROLLCLIPBOARD(hwnd, hwndCBViewer, code, pos, fn) \
(void)(fn)((hwnd), WM_VSCROLLCLIPBOARD, (WPARAM)(HWND)(hwndCBViewer), MAKELPARAM((code), (pos)))
/* void Cls_OnHScrollClipboard(HWND hwnd, HWND hwndCBViewer, UINT code, int pos) */
#define HANDLE_WM_HSCROLLCLIPBOARD(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(wParam), (UINT)LOWORD(lParam), (int)(short)HIWORD(lParam)), 0L)
#define FORWARD_WM_HSCROLLCLIPBOARD(hwnd, hwndCBViewer, code, pos, fn) \
(void)(fn)((hwnd), WM_HSCROLLCLIPBOARD, (WPARAM)(HWND)(hwndCBViewer), MAKELPARAM((code), (pos)))
/* void Cls_OnAskCBFormatName(HWND hwnd, int cchMax, LPTSTR rgchName) */
#define HANDLE_WM_ASKCBFORMATNAME(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(wParam), (LPTSTR)(lParam)), 0L)
#define FORWARD_WM_ASKCBFORMATNAME(hwnd, cchMax, rgchName, fn) \
(void)(fn)((hwnd), WM_ASKCBFORMATNAME, (WPARAM)(int)(cchMax), (LPARAM)(rgchName))
/* void Cls_OnChangeCBChain(HWND hwnd, HWND hwndRemove, HWND hwndNext) */
#define HANDLE_WM_CHANGECBCHAIN(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(wParam), (HWND)(lParam)), 0L)
#define FORWARD_WM_CHANGECBCHAIN(hwnd, hwndRemove, hwndNext, fn) \
(void)(fn)((hwnd), WM_CHANGECBCHAIN, (WPARAM)(HWND)(hwndRemove), (LPARAM)(HWND)(hwndNext))
/* BOOL Cls_OnSetCursor(HWND hwnd, HWND hwndCursor, UINT codeHitTest, UINT msg) */
#define HANDLE_WM_SETCURSOR(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(BOOL)(fn)((hwnd), (HWND)(wParam), (UINT)LOWORD(lParam), (UINT)HIWORD(lParam))
#define FORWARD_WM_SETCURSOR(hwnd, hwndCursor, codeHitTest, msg, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_SETCURSOR, (WPARAM)(HWND)(hwndCursor), MAKELPARAM((codeHitTest), (msg)))
/* void C
ls_OnSysCommand(HWND hwnd, UINT cmd, int x, int y) */
#define HANDLE_WM_SYSCOMMAND(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (UINT)(wParam), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam)), 0L)
#define FORWARD_WM_SYSCOMMAND(hwnd, cmd, x, y, fn) \
(void)(fn)((hwnd), WM_SYSCOMMAND, (WPARAM)(UINT)(cmd), MAKELPARAM((x), (y)))
/* HWND Cls_MDICreate(HWND hwnd, const LPMDICREATESTRUCT lpmcs) */
#define HANDLE_WM_MDICREATE(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(fn)((hwnd), (LPMDICREATESTRUCT)(lParam))
#define FORWARD_WM_MDICREATE(hwnd, lpmcs, fn) \
(HWND)(UINT)(DWORD)(fn)((hwnd), WM_MDICREATE, 0L, (LPARAM)(LPMDICREATESTRUCT)(lpmcs))
/* void Cls_MDIDestroy(HWND hwnd, HWND hwndDestroy) */
#define HANDLE_WM_MDIDESTROY(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(wParam)), 0L)
#define FORWARD_WM_MDIDESTROY(hwnd, hwndDestroy, fn) \
(void)(fn)((hwnd), WM_MDIDESTROY, (WPARAM)(hwndDestroy), 0L)
/* NOTE: Usable only by MDI client windows */
/* void Cls_MDIActivate(HWND hwnd, BOOL fActive, HWND hwndActivate, HWND hwndDeactivate) */
#define HANDLE_WM_MDIACTIVATE(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (BOOL)(lParam == (LPARAM)hwnd), (HWND)(lParam), (HWND)(wParam)), 0L)
#define FORWARD_WM_MDIACTIVATE(hwnd, fActive, hwndActivate, hwndDeactivate, fn) \
(void)(fn)(hwnd, WM_MDIACTIVATE, (WPARAM)(hwndDeactivate), (LPARAM)(hwndActivate))
/* void Cls_MDIRestore(HWND hwnd, HWND hwndRestore) */
#define HANDLE_WM_MDIRESTORE(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(wParam)), 0L)
#define FORWARD_WM_MDIRESTORE(hwnd, hwndRestore, fn) \
(void)(fn)((hwnd), WM_MDIRESTORE, (WPARAM)(hwndRestore), 0L)
/* HWND Cls_MDINext(HWND hwnd, HWND hwndCur, BOOL fPrev) */
#define HANDLE_WM_MDINEXT(hwnd, wParam, lParam, fn) \
(LRESULT)(HWND)(fn)((hwnd), (HWND)(wParam), (BOOL)lParam)
#define FORWARD_WM_MDINEXT(hwnd, hwndCur, fPrev, fn) \
(HWND)(UINT)(DWORD)(fn)((hwnd), WM_MDINEXT, (WPARAM)(hwndCur), (LPARAM)(fPrev))
/* void Cls_MDIMaximize(HWND hwnd, HWND hwndMaximize) */
#define HANDLE_WM_MDIMAXIMIZE(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(wParam)), 0L)
#define FORWARD_WM_MDIMAXIMIZE(hwnd, hwndMaximize, fn) \
(void)(fn)((hwnd), WM_MDIMAXIMIZE, (WPARAM)(hwndMaximize), 0L)
/* BOOL Cls_MDITile(HWND hwnd, UINT cmd) */
#define HANDLE_WM_MDITILE(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(fn)((hwnd), (UINT)(wParam))
#define FORWARD_WM_MDITILE(hwnd, cmd, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_MDITILE, (WPARAM)(cmd), 0L)
/* BOOL Cls_MDICascade(HWND hwnd, UINT cmd) */
#define HANDLE_WM_MDICASCADE(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(fn)((hwnd), (UINT)(wParam))
#define FORWARD_WM_MDICASCADE(hwnd, cmd, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_MDICASCADE, (WPARAM)(cmd), 0L)
/* void Cls_MDIIconArrange(HWND hwnd) */
#define HANDLE_WM_MDIICONARRANGE(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_MDIICONARRANGE(hwnd
, fn) \
(void)(fn)((hwnd), WM_MDIICONARRANGE, 0L, 0L)
/* HWND Cls_MDIGetActive(HWND hwnd) */
#define HANDLE_WM_MDIGETACTIVE(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(fn)(hwnd)
#define FORWARD_WM_MDIGETACTIVE(hwnd, fn) \
(HWND)(UINT)(DWORD)(fn)((hwnd), WM_MDIGETACTIVE, 0L, 0L)
/* HMENU Cls_MDISetMenu(HWND hwnd, BOOL fRefresh, HMENU hmenuFrame, HMENU hmenuWindow) */
#define HANDLE_WM_MDISETMENU(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(fn)((hwnd), (BOOL)(wParam), (HMENU)(wParam), (HMENU)(lParam))
#define FORWARD_WM_MDISETMENU(hwnd, fRefresh, hmenuFrame, hmenuWindow, fn) \
(HMENU)(UINT)(DWORD)(fn)((hwnd), WM_MDISETMENU, (WPARAM)((fRefresh) ? (hmenuFrame) : 0), (LPARAM)(hmenuWindow))
/* void Cls_OnChildActivate(HWND hwnd) */
#define HANDLE_WM_CHILDACTIVATE(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_CHILDACTIVATE(hwnd, fn) \
(void)(fn)((hwnd), WM_CHILDACTIVATE, 0L, 0L)
/* BOOL Cls_OnInitDialog(HWND hwnd, HWND hwndFocus, LPARAM lParam) */
#define HANDLE_WM_INITDIALOG(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(BOOL)(fn)((hwnd), (HWND)(wParam), lParam)
#define FORWARD_WM_INITDIALOG(hwnd, hwndFocus, lParam, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_INITDIALOG, (WPARAM)(HWND)(hwndFocus), (lParam))
/* HWND Cls_OnNextDlgCtl(HWND hwnd, HWND hwndSetFocus, BOOL fNext) */
#define HANDLE_WM_NEXTDLGCTL(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(HWND)(fn)((hwnd), (HWND)(wParam), (BOOL)(lParam))
#define FORWARD_WM_NEXTDLGCTL(hwnd, hwndSetFocus, fNext, fn) \
(HWND)(UINT)(DWORD)(fn)((hwnd), WM_NEXTDLGCTL, (WPARAM)(HWND)(hwndSetFocus), (LPARAM)(fNext))
/* void Cls_OnParentNotify(HWND hwnd, UINT msg, HWND hwndChild, int idChild) */
#define HANDLE_WM_PARENTNOTIFY(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (UINT)LOWORD(wParam), (HWND)(lParam), (UINT)HIWORD(wParam)), 0L)
#define FORWARD_WM_PARENTNOTIFY(hwnd, msg, hwndChild, idChild, fn) \
(void)(fn)((hwnd), WM_PARENTNOTIFY, MAKEWPARAM(msg, idChild), (LPARAM)(hwndChild))
/* void Cls_OnEnterIdle(HWND hwnd, UINT source, HWND hwndSource) */
#define HANDLE_WM_ENTERIDLE(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (UINT)(wParam), (HWND)(lParam)), 0L)
#define FORWARD_WM_ENTERIDLE(hwnd, source, hwndSource, fn) \
(void)(fn)((hwnd), WM_ENTERIDLE, (WPARAM)(UINT)(source), (LPARAM)(HWND)(hwndSource))
/* UINT Cls_OnGetDlgCode(HWND hwnd, LPMSG lpmsg) */
#define HANDLE_WM_GETDLGCODE(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(fn)(hwnd, (LPMSG)(lParam))
#define FORWARD_WM_GETDLGCODE(hwnd, lpmsg, fn) \
(UINT)(DWORD)(fn)((hwnd), WM_GETDLGCODE, (lpmsg ? lpmsg->wParam : 0), (LPARAM)(LPMSG)(lpmsg))
/* HBRUSH Cls_OnCtlColor(HWND hwnd, HDC hdc, HWND hwndChild, int type) */
#define HANDLE_WM_CTLCOLORMSGBOX(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(HBRUSH)(fn)((hwnd), (HDC)(wParam), (HWND)(lParam), CTLCOLOR_MSGBOX)
#define FORWARD_WM_CTLCOLORMSGBOX(hwnd, hd
c, hwndChild, fn) \
(HBRUSH)(UINT)(DWORD)(fn)((hwnd), WM_CTLCOLORMSGBOX, (WPARAM)(HDC)(hdc), (LPARAM)(HWND)(hwndChild))
#define HANDLE_WM_CTLCOLOREDIT(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(HBRUSH)(fn)((hwnd), (HDC)(wParam), (HWND)(lParam), CTLCOLOR_EDIT)
#define FORWARD_WM_CTLCOLOREDIT(hwnd, hdc, hwndChild, fn) \
(HBRUSH)(UINT)(DWORD)(fn)((hwnd), WM_CTLCOLOREDIT, (WPARAM)(HDC)(hdc), (LPARAM)(HWND)(hwndChild))
#define HANDLE_WM_CTLCOLORLISTBOX(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(HBRUSH)(fn)((hwnd), (HDC)(wParam), (HWND)(lParam), CTLCOLOR_LISTBOX)
#define FORWARD_WM_CTLCOLORLISTBOX(hwnd, hdc, hwndChild, fn) \
(HBRUSH)(UINT)(DWORD)(fn)((hwnd), WM_CTLCOLORLISTBOX, (WPARAM)(HDC)(hdc), (LPARAM)(HWND)(hwndChild))
#define HANDLE_WM_CTLCOLORBTN(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(HBRUSH)(fn)((hwnd), (HDC)(wParam), (HWND)(lParam), CTLCOLOR_BTN)
#define FORWARD_WM_CTLCOLORBTN(hwnd, hdc, hwndChild, fn) \
(HBRUSH)(UINT)(DWORD)(fn)((hwnd), WM_CTLCOLORBTN, (WPARAM)(HDC)(hdc), (LPARAM)(HWND)(hwndChild))
#define HANDLE_WM_CTLCOLORDLG(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(HBRUSH)(fn)((hwnd), (HDC)(wParam), (HWND)(lParam), CTLCOLOR_DLG)
#define FORWARD_WM_CTLCOLORDLG(hwnd, hdc, hwndChild, fn) \
(HBRUSH)(UINT)(DWORD)(fn)((hwnd), WM_CTLCOLORDLG, (WPARAM)(HDC)(hdc), (LPARAM)(HWND)(hwndChild))
#define HANDLE_WM_CTLCOLORSCROLLBAR(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(HBRUSH)(fn)((hwnd), (HDC)(wParam), (HWND)(lParam), CTLCOLOR_SCROLLBAR)
#define FORWARD_WM_CTLCOLORSCROLLBAR(hwnd, hdc, hwndChild, fn) \
(HBRUSH)(UINT)(DWORD)(fn)((hwnd), WM_CTLCOLORSCROLLBAR, (WPARAM)(HDC)(hdc), (LPARAM)(HWND)(hwndChild))
#define HANDLE_WM_CTLCOLORSTATIC(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(HBRUSH)(fn)((hwnd), (HDC)(wParam), (HWND)(lParam), CTLCOLOR_STATIC)
#define FORWARD_WM_CTLCOLORSTATIC(hwnd, hdc, hwndChild, fn) \
(HBRUSH)(UINT)(DWORD)(fn)((hwnd), WM_CTLCOLORSTATIC, (WPARAM)(HDC)(hdc), (LPARAM)(HWND)(hwndChild))
/* void Cls_OnSetFont(HWND hwndCtl, HFONT hfont, BOOL fRedraw) */
#define HANDLE_WM_SETFONT(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HFONT)(wParam), (BOOL)(lParam)), 0L)
#define FORWARD_WM_SETFONT(hwnd, hfont, fRedraw, fn) \
(void)(fn)((hwnd), WM_SETFONT, (WPARAM)(HFONT)(hfont), (LPARAM)(BOOL)(fRedraw))
/* HFONT Cls_OnGetFont(HWND hwnd) */
#define HANDLE_WM_GETFONT(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(UINT)(HFONT)(fn)(hwnd)
#define FORWARD_WM_GETFONT(hwnd, fn) \
(HFONT)(UINT)(DWORD)(fn)((hwnd), WM_GETFONT, 0L, 0L)
/* void Cls_OnDrawItem(HWND hwnd, const DRAWITEMSTRUCT * lpDrawItem) */
#define HANDLE_WM_DRAWITEM(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (const DRAWITEMSTRUCT *)(lParam)), 0L)
#define FORWARD_WM_DRAWITEM(hwnd, lpDrawItem, fn) \
(void)(fn)((hwnd), WM_DRAWITEM, (WPARAM)(((const DRAWITEMSTRUCT *)lpDrawItem)->CtlID), (LPARAM)(const DRAWITEMSTRUCT
*)(lpDrawItem))
/* void Cls_OnMeasureItem(HWND hwnd, MEASUREITEMSTRUCT * lpMeasureItem) */
#define HANDLE_WM_MEASUREITEM(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (MEASUREITEMSTRUCT *)(lParam)), 0L)
#define FORWARD_WM_MEASUREITEM(hwnd, lpMeasureItem, fn) \
(void)(fn)((hwnd), WM_MEASUREITEM, (WPARAM)(((MEASUREITEMSTRUCT *)lpMeasureItem)->CtlID), (LPARAM)(MEASUREITEMSTRUCT *)(lpMeasureItem))
/* void Cls_OnDeleteItem(HWND hwnd, const DELETEITEMSTRUCT * lpDeleteItem) */
#define HANDLE_WM_DELETEITEM(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (const DELETEITEMSTRUCT *)(lParam)), 0L)
#define FORWARD_WM_DELETEITEM(hwnd, lpDeleteItem, fn) \
(void)(fn)((hwnd), WM_DELETEITEM, (WPARAM)(((const DELETEITEMSTRUCT *)(lpDeleteItem))->CtlID), (LPARAM)(const DELETEITEMSTRUCT *)(lpDeleteItem))
/* int Cls_OnCompareItem(HWND hwnd, const COMPAREITEMSTRUCT * lpCompareItem) */
#define HANDLE_WM_COMPAREITEM(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(int)(fn)((hwnd), (const COMPAREITEMSTRUCT *)(lParam))
#define FORWARD_WM_COMPAREITEM(hwnd, lpCompareItem, fn) \
(int)(DWORD)(fn)((hwnd), WM_COMPAREITEM, (WPARAM)(((const COMPAREITEMSTRUCT *)(lpCompareItem))->CtlID), (LPARAM)(const COMPAREITEMSTRUCT *)(lpCompareItem))
/* int Cls_OnVkeyToItem(HWND hwnd, UINT vk, HWND hwndListbox, int iCaret) */
#define HANDLE_WM_VKEYTOITEM(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(int)(fn)((hwnd), (UINT)LOWORD(wParam), (HWND)(lParam), (int)(short)HIWORD(wParam))
#define FORWARD_WM_VKEYTOITEM(hwnd, vk, hwndListBox, iCaret, fn) \
(int)(DWORD)(fn)((hwnd), WM_VKEYTOITEM, MAKEWPARAM((vk), (iCaret)), (LPARAM)(hwndListBox))
/* int Cls_OnCharToItem(HWND hwnd, UINT ch, HWND hwndListbox, int iCaret) */
#define HANDLE_WM_CHARTOITEM(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(int)(fn)((hwnd), (UINT)LOWORD(wParam), (HWND)(lParam), (int)(short)HIWORD(wParam))
#define FORWARD_WM_CHARTOITEM(hwnd, ch, hwndListBox, iCaret, fn) \
(int)(DWORD)(fn)((hwnd), WM_CHARTOITEM, MAKEWPARAM((UINT)(ch), (UINT)(iCaret)), (LPARAM)(hwndListBox))
/* void Cls_OnQueueSync(HWND hwnd) */
#define HANDLE_WM_QUEUESYNC(hwnd, wParam, lParam, fn) \
((fn)(hwnd), 0L)
#define FORWARD_WM_QUEUESYNC(hwnd, fn) \
(void)(fn)((hwnd), WM_QUEUESYNC, 0L, 0L)
#if (WINVER >= 0x030a)
/* void Cls_OnCommNotify(HWND hwnd, int cid, UINT flags) */
#define HANDLE_WM_COMMNOTIFY(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(wParam), (UINT)LOWORD(lParam)), 0L)
#define FORWARD_WM_COMMNOTIFY(hwnd, cid, flags, fn) \
(void)(fn)((hwnd), WM_COMMNOTIFY, (WPARAM)(cid), MAKELPARAM((flags), 0))
#endif
/* void Cls_OnDisplayChange(HWND hwnd, UINT bitsPerPixel, UINT cxScreen, UINT cyScreen) */
#define HANDLE_WM_DISPLAYCHANGE(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (UINT)(wParam), (UINT)LOWORD(lParam), (UINT)HIWORD(wParam)), 0L)
#define FORWARD_WM_DISPLAYCHANGE(hwnd, bitsPerPixel, cxScreen, cyScreen, fn) \
(void)(fn)((hwnd), WM_DISPLAYCHANGE, (WPARAM
)(UINT)(bitsPerPixel), (LPARAM)MAKELPARAM((UINT)(cxScreen), (UINT)(cyScreen)))
/* BOOL Cls_OnDeviceChange(HWND hwnd, UINT uEvent, DWORD dwEventData) */
#define HANDLE_WM_DEVICECHANGE(hwnd, wParam, lParam, fn) \
(LRESULT)(DWORD)(BOOL)(fn)((hwnd), (UINT)(wParam), (DWORD)(wParam))
#define FORWARD_WM_DEVICECHANGE(hwnd, uEvent, dwEventData, fn) \
(BOOL)(DWORD)(fn)((hwnd), WM_DEVICECHANGE, (WPARAM)(UINT)(uEvent), (LPARAM)(DWORD)(dwEventData))
/* void Cls_OnContextMenu(HWND hwnd, HWND hwndContext, UINT xPos, UINT yPos) */
#define HANDLE_WM_CONTEXTMENU(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (HWND)(wParam), (UINT)LOWORD(lParam), (UINT)HIWORD(lParam)), 0L)
#define FORWARD_WM_CONTEXTMENU(hwnd, hwndContext, xPos, yPos, fn) \
(void)(fn)((hwnd), WM_CONTEXTMENU, (WPARAM)(HWND)(hwndContext), MAKELPARAM((UINT)(xPos), (UINT)(yPos)))
/****** Static control message APIs ******************************************/
#define Static_Enable(hwndCtl, fEnable) EnableWindow((hwndCtl), (fEnable))
#define Static_GetText(hwndCtl, lpch, cchMax) GetWindowText((hwndCtl), (lpch), (cchMax))
#define Static_GetTextLength(hwndCtl) GetWindowTextLength(hwndCtl)
#define Static_SetText(hwndCtl, lpsz) SetWindowText((hwndCtl), (lpsz))
#define Static_SetIcon(hwndCtl, hIcon) ((HICON)(UINT)(DWORD)SNDMSG((hwndCtl), STM_SETICON, (WPARAM)(HICON)(hIcon), 0L))
#define Static_GetIcon(hwndCtl, hIcon) ((HICON)(UINT)(DWORD)SNDMSG((hwndCtl), STM_GETICON, 0L, 0L))
/****** Button control message APIs ******************************************/
#define Button_Enable(hwndCtl, fEnable) EnableWindow((hwndCtl), (fEnable))
#define Button_GetText(hwndCtl, lpch, cchMax) GetWindowText((hwndCtl), (lpch), (cchMax))
#define Button_GetTextLength(hwndCtl) GetWindowTextLength(hwndCtl)
#define Button_SetText(hwndCtl, lpsz) SetWindowText((hwndCtl), (lpsz))
#define Button_GetCheck(hwndCtl) ((int)(DWORD)SNDMSG((hwndCtl), BM_GETCHECK, 0L, 0L))
#define Button_SetCheck(hwndCtl, check) ((void)SNDMSG((hwndCtl), BM_SETCHECK, (WPARAM)(int)(check), 0L))
#define Button_GetState(hwndCtl) ((int)(DWORD)SNDMSG((hwndCtl), BM_GETSTATE, 0L, 0L))
#define Button_SetState(hwndCtl, state) ((UINT)(DWORD)SNDMSG((hwndCtl), BM_SETSTATE, (WPARAM)(int)(state), 0L))
#define Button_SetStyle(hwndCtl, style, fRedraw) ((void)SNDMSG((hwndCtl), BM_SETSTYLE, (WPARAM)LOWORD(style), MAKELPARAM(((fRedraw) ? TRUE : FALSE), 0)))
/****** Edit control message APIs ********************************************/
#define Edit_Enable(hwndCtl, fEnable) EnableWindow((hwndCtl), (fEnable))
#define Edit_GetText(hwndCtl, lpch, cchMax) GetWindowText((hwndCtl), (lpch), (cchMax))
#define Edit_GetTextLength(hwndCtl) GetWindowTextLength(hwndCtl)
#define Edit_SetText(hwndCtl, lpsz) SetWindowText((hwndCtl), (lpsz))
#define Edit_LimitText(hwndCtl, cchMax)
((void)SNDMSG((hwndCtl), EM_LIMITTEXT, (WPARAM)(cchMax), 0L))
#define Edit_GetLineCount(hwndCtl) ((int)(DWORD)SNDMSG((hwndCtl), EM_GETLINECOUNT, 0L, 0L))
#ifndef _MAC
#define Edit_GetLine(hwndCtl, line, lpch, cchMax) ((*((int *)(lpch)) = (cchMax)), ((int)(DWORD)SNDMSG((hwndCtl), EM_GETLINE, (WPARAM)(int)(line), (LPARAM)(LPTSTR)(lpch))))
#else
#define Edit_GetLine(hwndCtl, line, lpch, cchMax) ((*((WORD *)(lpch)) = (cchMax)), ((int)(DWORD)SNDMSG((hwndCtl), EM_GETLINE, (WPARAM)(int)(line), (LPARAM)(LPTSTR)(lpch))))
#endif
#define Edit_GetRect(hwndCtl, lprc) ((void)SNDMSG((hwndCtl), EM_GETRECT, 0L, (LPARAM)(RECT *)(lprc)))
#define Edit_SetRect(hwndCtl, lprc) ((void)SNDMSG((hwndCtl), EM_SETRECT, 0L, (LPARAM)(const RECT *)(lprc)))
#define Edit_SetRectNoPaint(hwndCtl, lprc) ((void)SNDMSG((hwndCtl), EM_SETRECTNP, 0L, (LPARAM)(const RECT *)(lprc)))
#define Edit_GetSel(hwndCtl) ((DWORD)SNDMSG((hwndCtl), EM_GETSEL, 0L, 0L))
#define Edit_SetSel(hwndCtl, ichStart, ichEnd) ((void)SNDMSG((hwndCtl), EM_SETSEL, (ichStart), (ichEnd)))
#define Edit_ReplaceSel(hwndCtl, lpszReplace) ((void)SNDMSG((hwndCtl), EM_REPLACESEL, 0L, (LPARAM)(LPCTSTR)(lpszReplace)))
#define Edit_GetModify(hwndCtl) ((BOOL)(DWORD)SNDMSG((hwndCtl), EM_GETMODIFY, 0L, 0L))
#define Edit_SetModify(hwndCtl, fModified) ((void)SNDMSG((hwndCtl), EM_SETMODIFY, (WPARAM)(UINT)(fModified), 0L))
#define Edit_ScrollCaret(hwndCtl) ((BOOL)(DWORD)SNDMSG((hwndCtl), EM_SCROLLCARET, 0, 0L))
#define Edit_LineFromChar(hwndCtl, ich) ((int)(DWORD)SNDMSG((hwndCtl), EM_LINEFROMCHAR, (WPARAM)(int)(ich), 0L))
#define Edit_LineIndex(hwndCtl, line) ((int)(DWORD)SNDMSG((hwndCtl), EM_LINEINDEX, (WPARAM)(int)(line), 0L))
#define Edit_LineLength(hwndCtl, line) ((int)(DWORD)SNDMSG((hwndCtl), EM_LINELENGTH, (WPARAM)(int)(line), 0L))
#define Edit_Scroll(hwndCtl, dv, dh) ((void)SNDMSG((hwndCtl), EM_LINESCROLL, (WPARAM)(dh), (LPARAM)(dv)))
#define Edit_CanUndo(hwndCtl) ((BOOL)(DWORD)SNDMSG((hwndCtl), EM_CANUNDO, 0L, 0L))
#define Edit_Undo(hwndCtl) ((BOOL)(DWORD)SNDMSG((hwndCtl), EM_UNDO, 0L, 0L))
#define Edit_EmptyUndoBuffer(hwndCtl) ((void)SNDMSG((hwndCtl), EM_EMPTYUNDOBUFFER, 0L, 0L))
#define Edit_SetPasswordChar(hwndCtl, ch) ((void)SNDMSG((hwndCtl), EM_SETPASSWORDCHAR, (WPARAM)(UINT)(ch), 0L))
#define Edit_SetTabStops(hwndCtl, cTabs, lpTabs) ((void)SNDMSG((hwndCtl), EM_SETTABSTOPS, (WPARAM)(int)(cTabs), (LPARAM)(const int *)(lpTabs)))
#define Edit_FmtLines(hwndCtl, fAddEOL) ((BOOL)(DWORD)SNDMSG((hwndCtl), EM_FMTLINES, (WPARAM)(BOOL)(fAddEOL), 0L))
#define Edit_GetHandle(hwndCtl) ((HLOCAL)(UINT)(DWORD)SNDMSG((hwndCtl), EM_GETHANDLE, 0L, 0L))
#define Edit_SetHandle(hwndCtl, h) ((void)SNDMSG((hwndCtl), EM_SETHANDLE, (WPARAM)(UINT)(HLOCAL)(h), 0L))
#
if (WINVER >= 0x030a)
#define Edit_GetFirstVisibleLine(hwndCtl) ((int)(DWORD)SNDMSG((hwndCtl), EM_GETFIRSTVISIBLELINE, 0L, 0L))
#define Edit_SetReadOnly(hwndCtl, fReadOnly) ((BOOL)(DWORD)SNDMSG((hwndCtl), EM_SETREADONLY, (WPARAM)(BOOL)(fReadOnly), 0L))
#define Edit_GetPasswordChar(hwndCtl) ((TCHAR)(DWORD)SNDMSG((hwndCtl), EM_GETPASSWORDCHAR, 0L, 0L))
#define Edit_SetWordBreakProc(hwndCtl, lpfnWordBreak) ((void)SNDMSG((hwndCtl), EM_SETWORDBREAKPROC, 0L, (LPARAM)(EDITWORDBREAKPROC)(lpfnWordBreak)))
#define Edit_GetWordBreakProc(hwndCtl) ((EDITWORDBREAKPROC)SNDMSG((hwndCtl), EM_GETWORDBREAKPROC, 0L, 0L))
#endif /* WINVER >= 0x030a */
/****** ScrollBar control message APIs ***************************************/
/* NOTE: flags parameter is a collection of ESB_* values, NOT a boolean! */
#define ScrollBar_Enable(hwndCtl, flags) EnableScrollBar((hwndCtl), SB_CTL, (flags))
#define ScrollBar_Show(hwndCtl, fShow) ShowWindow((hwndCtl), (fShow) ? SW_SHOWNORMAL : SW_HIDE)
#define ScrollBar_SetPos(hwndCtl, pos, fRedraw) SetScrollPos((hwndCtl), SB_CTL, (pos), (fRedraw))
#define ScrollBar_GetPos(hwndCtl) GetScrollPos((hwndCtl), SB_CTL)
#define ScrollBar_SetRange(hwndCtl, posMin, posMax, fRedraw) SetScrollRange((hwndCtl), SB_CTL, (posMin), (posMax), (fRedraw))
#define ScrollBar_GetRange(hwndCtl, lpposMin, lpposMax) GetScrollRange((hwndCtl), SB_CTL, (lpposMin), (lpposMax))
/****** ListBox control message APIs *****************************************/
#define ListBox_Enable(hwndCtl, fEnable) EnableWindow((hwndCtl), (fEnable))
#define ListBox_GetCount(hwndCtl) ((int)(DWORD)SNDMSG((hwndCtl), LB_GETCOUNT, 0L, 0L))
#define ListBox_ResetContent(hwndCtl) ((BOOL)(DWORD)SNDMSG((hwndCtl), LB_RESETCONTENT, 0L, 0L))
#define ListBox_AddString(hwndCtl, lpsz) ((int)(DWORD)SNDMSG((hwndCtl), LB_ADDSTRING, 0L, (LPARAM)(LPCTSTR)(lpsz)))
#define ListBox_InsertString(hwndCtl, index, lpsz) ((int)(DWORD)SNDMSG((hwndCtl), LB_INSERTSTRING, (WPARAM)(int)(index), (LPARAM)(LPCTSTR)(lpsz)))
#define ListBox_AddItemData(hwndCtl, data) ((int)(DWORD)SNDMSG((hwndCtl), LB_ADDSTRING, 0L, (LPARAM)(data)))
#define ListBox_InsertItemData(hwndCtl, index, data) ((int)(DWORD)SNDMSG((hwndCtl), LB_INSERTSTRING, (WPARAM)(int)(index), (LPARAM)(data)))
#define ListBox_DeleteString(hwndCtl, index) ((int)(DWORD)SNDMSG((hwndCtl), LB_DELETESTRING, (WPARAM)(int)(index), 0L))
#define ListBox_GetTextLen(hwndCtl, index) ((int)(DWORD)SNDMSG((hwndCtl), LB_GETTEXTLEN, (WPARAM)(int)(index), 0L))
#define ListBox_GetText(hwndCtl, index, lpszBuffer) ((int)(DWORD)SNDMSG((hwndCtl), LB_GETTEXT, (WPARAM)(int)(index), (LPARAM)(LPCTSTR)(lpszBuffer)))
#define ListBox_GetItemData(hwndCtl, index) ((LRESULT)(DWORD)SNDMSG((hwndCtl), LB_GETITEMDATA, (WPARAM)(int)(index), 0L))
#define ListBox_SetItemData(h