dlls/shell32/shell32_main.h - wine - Git at Google

 /*
  * 	internal Shell32 Library definitions
  *
  * Copyright 1998 Marcus Meissner
  * Copyright 1998 Juergen Schmied (jsch)  *  <juergen.schmied@metronet.de>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */

 #ifndef __WINE_SHELL_MAIN_H
 #define __WINE_SHELL_MAIN_H

 #include "commctrl.h"
 #include "docobj.h"
 #include "undocshell.h"
 #include "wine/obj_shellfolder.h"
 #include "wine/obj_contextmenu.h"
 #include "wine/obj_shellview.h"
 #include "wine/obj_shelllink.h"
 #include "wine/obj_extracticon.h"
 #include "wine/windef16.h"

 /*******************************************
 *  global SHELL32.DLL variables
 */
 extern HMODULE	huser32;
 extern HINSTANCE shell32_hInstance;
 extern HIMAGELIST	ShellSmallIconList;
 extern HIMAGELIST	ShellBigIconList;
 extern HDPA		sic_hdpa;

 /*******************************************
 * pointer to functions dynamically loaded
 */
 extern void	(WINAPI *pDLLInitComctl)(LPVOID);

 BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList);

 /* Iconcache */
 #define INVALID_INDEX -1
 BOOL SIC_Initialize(void);
 void SIC_Destroy(void);
 BOOL PidlToSicIndex (IShellFolder * sh, LPITEMIDLIST pidl, BOOL bBigIcon, UINT uFlags, UINT * pIndex);
 INT SIC_GetIconIndex (LPCSTR sSourceFile, INT dwSourceIndex );

 /* Classes Root */
 BOOL HCR_MapTypeToValueW(LPCWSTR szExtension, LPWSTR szFileType, DWORD len, BOOL bPrependDot);
 BOOL HCR_GetExecuteCommandW(LPCWSTR szClass, LPCWSTR szVerb, LPWSTR szDest, DWORD len);
 BOOL HCR_GetDefaultIconW(LPCWSTR szClass, LPWSTR szDest, DWORD len, LPDWORD dwNr);
 BOOL HCR_GetDefaultIconFromGUIDW(REFIID riid, LPWSTR szDest, DWORD len, LPDWORD dwNr);
 BOOL HCR_GetClassNameW(REFIID riid, LPWSTR szDest, DWORD len);

 /* ANSI versions of above functions, supposed to go away as soon as they are not used anymore */
 BOOL HCR_MapTypeToValueA(LPCSTR szExtension, LPSTR szFileType, DWORD len, BOOL bPrependDot);
 BOOL HCR_GetExecuteCommandA(LPCSTR szClass, LPCSTR szVerb, LPSTR szDest, DWORD len);
 BOOL HCR_GetDefaultIconA(LPCSTR szClass, LPSTR szDest, DWORD len, LPDWORD dwNr);
 BOOL HCR_GetClassNameA(REFIID riid, LPSTR szDest, DWORD len);

 BOOL HCR_GetExecuteCommandEx ( HKEY hkeyClass, LPCSTR szClass, LPCSTR szVerb, LPSTR szDest, DWORD len );
 BOOL HCR_GetFolderAttributes(REFIID riid, LPDWORD szDest);

 INT_PTR CALLBACK AboutDlgProc(HWND,UINT,WPARAM,LPARAM);
 DWORD WINAPI ParseFieldA(LPCSTR src, DWORD nField, LPSTR dst, DWORD len);
 DWORD WINAPI ParseFieldW(LPCWSTR src, DWORD nField, LPWSTR dst, DWORD len);

 /****************************************************************************
  * Class constructors
  */
 LPDATAOBJECT	IDataObject_Constructor(HWND hwndOwner, LPITEMIDLIST myPidl, LPITEMIDLIST * apidl, UINT cidl);
 LPENUMFORMATETC	IEnumFORMATETC_Constructor(UINT, const FORMATETC []);

 LPCLASSFACTORY	IClassFactory_Constructor(REFCLSID);
 IContextMenu *	ISvItemCm_Constructor(LPSHELLFOLDER pSFParent, LPCITEMIDLIST pidl, LPCITEMIDLIST *aPidls, UINT uItemCount);
 IContextMenu *	ISvBgCm_Constructor(LPSHELLFOLDER pSFParent);
 LPSHELLVIEW	IShellView_Constructor(LPSHELLFOLDER);

 HRESULT WINAPI IFSFolder_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv);
 HRESULT WINAPI IShellLink_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv);
 HRESULT WINAPI ISF_Desktop_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv);
 HRESULT WINAPI ISF_MyComputer_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv);
 HRESULT WINAPI IDropTargetHelper_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv);

 /* kind of enumidlist */
 #define EIDL_DESK	0
 #define EIDL_MYCOMP	1
 #define EIDL_FILE	2

 LPENUMIDLIST	IEnumIDList_Constructor(LPCSTR,DWORD,DWORD);

 LPEXTRACTICONA	IExtractIconA_Constructor(LPITEMIDLIST);
 LPEXTRACTICONW	IExtractIconW_Constructor(LPITEMIDLIST);
 HRESULT		CreateStreamOnFile (LPCWSTR pszFilename, DWORD grfMode, IStream ** ppstm);

 /* FIXME: rename the functions when the shell32.dll has it's own exports namespace */
 HRESULT WINAPI  SHELL32_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID * ppv);
 HRESULT WINAPI  SHELL32_DllCanUnloadNow(void);


 /* menu merging */
 #define MM_ADDSEPARATOR         0x00000001L
 #define MM_SUBMENUSHAVEIDS      0x00000002L
 HRESULT WINAPI Shell_MergeMenus (HMENU hmDst, HMENU hmSrc, UINT uInsert, UINT uIDAdjust, UINT uIDAdjustMax, ULONG uFlags);

 /* initialisation for FORMATETC */
 #define InitFormatEtc(fe, cf, med) \
 	{\
 	(fe).cfFormat=cf;\
 	(fe).dwAspect=DVASPECT_CONTENT;\
 	(fe).ptd=NULL;\
 	(fe).tymed=med;\
 	(fe).lindex=-1;\
 	};

 #define KeyStateToDropEffect(kst)\
 	(((kst) & MK_CONTROL) ?\
 	(((kst) & MK_SHIFT) ? DROPEFFECT_LINK : DROPEFFECT_COPY):\
 	DROPEFFECT_MOVE)

 /* Systray */
 BOOL SYSTRAY_Init(void);

 /* OLE32 */
 extern HINSTANCE hShellOle32;

 extern HRESULT (WINAPI *pOleInitialize)(LPVOID reserved);
 extern void    (WINAPI *pOleUninitialize)(void);
 extern HRESULT (WINAPI *pRegisterDragDrop)(HWND hwnd, IDropTarget* pDropTarget);
 extern HRESULT (WINAPI *pRevokeDragDrop)(HWND hwnd);
 extern HRESULT (WINAPI *pDoDragDrop)(LPDATAOBJECT,LPDROPSOURCE,DWORD,DWORD*);
 extern void    (WINAPI *pReleaseStgMedium)(STGMEDIUM* pmedium);
 extern HRESULT (WINAPI *pOleSetClipboard)(IDataObject* pDataObj);
 extern HRESULT (WINAPI *pOleGetClipboard)(IDataObject** ppDataObj);
 extern HRESULT (WINAPI *pCoCreateInstance)(REFCLSID rclsid, LPUNKNOWN pUnkOuter, DWORD dwClsContext, REFIID iid, LPVOID *ppv);

 BOOL GetShellOle(void);

 HGLOBAL RenderHDROP(LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
 HGLOBAL RenderSHELLIDLIST (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
 HGLOBAL RenderSHELLIDLISTOFFSET (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
 HGLOBAL RenderFILECONTENTS (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
 HGLOBAL RenderFILEDESCRIPTOR (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
 HGLOBAL RenderFILENAMEA (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
 HGLOBAL RenderFILENAMEW (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
 HGLOBAL RenderPREFEREDDROPEFFECT (DWORD dwFlags);

 /* Change Notification */
 void InitChangeNotifications(void);
 void FreeChangeNotifications(void);

 /* file operation */
 #define ASK_DELETE_FILE           1
 #define ASK_DELETE_FOLDER         2
 #define ASK_DELETE_MULTIPLE_ITEM  3
 #define ASK_CREATE_FOLDER         4
 #define ASK_OVERWRITE_FILE        5

 BOOL SHELL_DeleteDirectoryA(LPCSTR pszDir, BOOL bShowUI);
 BOOL SHELL_DeleteFileA(LPCSTR pszFile, BOOL bShowUI);
 BOOL SHELL_ConfirmDialog(int nKindOfDialog, LPCSTR szDir);

 /* 16-bit functions */
 void        WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b);
 UINT16      WINAPI DragQueryFile16(HDROP16 hDrop, WORD wFile, LPSTR lpszFile, WORD wLength);
 void        WINAPI DragFinish16(HDROP16 h);
 BOOL16      WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p);
 HINSTANCE16 WINAPI ShellExecute16(HWND16,LPCSTR,LPCSTR,LPCSTR,LPCSTR,INT16);
 HICON16     WINAPI ExtractIcon16(HINSTANCE16,LPCSTR,UINT16);
 HICON16     WINAPI ExtractAssociatedIcon16(HINSTANCE16,LPSTR,LPWORD);
 HICON16     WINAPI ExtractIconEx16 ( LPCSTR, INT16, HICON16 *, HICON16 *, UINT16 );
 HINSTANCE16 WINAPI FindExecutable16(LPCSTR,LPCSTR,LPSTR);
 HGLOBAL16   WINAPI InternalExtractIcon16(HINSTANCE16,LPCSTR,UINT16,WORD);
 BOOL16      WINAPI ShellAbout16(HWND16,LPCSTR,LPCSTR,HICON16);
 BOOL16      WINAPI AboutDlgProc16(HWND16,UINT16,WPARAM16,LPARAM);

 inline static BOOL SHELL_OsIsUnicode(void)
 {
     /* if high-bit of version is 0, we are emulating NT */
     return !(GetVersion() & 0x80000000);
 }

 #define __SHFreeAndNil(ptr) \
 	{\
 	  SHFree(*ptr); \
 	  *ptr = NULL; \
 	};
 inline static void __SHCloneStrA(char ** target,const char * source)
 {
 	*target = SHAlloc(strlen(source)+1); \
 	strcpy(*target, source); \
 }

 inline static void __SHCloneStrWtoA(char ** target, const WCHAR * source)
 {
 	int len = WideCharToMultiByte(CP_ACP, 0, source, -1, NULL, 0, NULL, NULL);
 	*target = SHAlloc(len);
 	WideCharToMultiByte(CP_ACP, 0, source, -1, *target, len, NULL, NULL);
 }

 /* handle conversions */
 #define HICON_16(h32)		(LOWORD(h32))
 #define HICON_32(h16)		((HICON)(ULONG_PTR)(h16))
 #define HINSTANCE_32(h16)	((HINSTANCE)(ULONG_PTR)(h16))
 #define HINSTANCE_16(h32)	(LOWORD(h32))

 typedef UINT (*SHELL_ExecuteA1632)(char *lpCmd, LPSHELLEXECUTEINFOA sei, BOOL shWait);
 BOOL WINAPI ShellExecuteExA32 (LPSHELLEXECUTEINFOA sei, SHELL_ExecuteA1632 execfunc);

 #endif
	/*
	* internal Shell32 Library definitions
	*
	* Copyright 1998 Marcus Meissner
	* Copyright 1998 Juergen Schmied (jsch) * <juergen.schmied@metronet.de>
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/

	#ifndef __WINE_SHELL_MAIN_H
	#define __WINE_SHELL_MAIN_H

	#include "commctrl.h"
	#include "docobj.h"
	#include "undocshell.h"
	#include "wine/obj_shellfolder.h"
	#include "wine/obj_contextmenu.h"
	#include "wine/obj_shellview.h"
	#include "wine/obj_shelllink.h"
	#include "wine/obj_extracticon.h"
	#include "wine/windef16.h"

	/*******************************************
	* global SHELL32.DLL variables
	*/
	extern HMODULE huser32;
	extern HINSTANCE shell32_hInstance;
	extern HIMAGELIST ShellSmallIconList;
	extern HIMAGELIST ShellBigIconList;
	extern HDPA sic_hdpa;

	/*******************************************
	* pointer to functions dynamically loaded
	*/
	extern void (WINAPI *pDLLInitComctl)(LPVOID);

	BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList);

	/* Iconcache */
	#define INVALID_INDEX -1
	BOOL SIC_Initialize(void);
	void SIC_Destroy(void);
	BOOL PidlToSicIndex (IShellFolder * sh, LPITEMIDLIST pidl, BOOL bBigIcon, UINT uFlags, UINT * pIndex);
	INT SIC_GetIconIndex (LPCSTR sSourceFile, INT dwSourceIndex );

	/* Classes Root */
	BOOL HCR_MapTypeToValueW(LPCWSTR szExtension, LPWSTR szFileType, DWORD len, BOOL bPrependDot);
	BOOL HCR_GetExecuteCommandW(LPCWSTR szClass, LPCWSTR szVerb, LPWSTR szDest, DWORD len);
	BOOL HCR_GetDefaultIconW(LPCWSTR szClass, LPWSTR szDest, DWORD len, LPDWORD dwNr);
	BOOL HCR_GetDefaultIconFromGUIDW(REFIID riid, LPWSTR szDest, DWORD len, LPDWORD dwNr);
	BOOL HCR_GetClassNameW(REFIID riid, LPWSTR szDest, DWORD len);

	/* ANSI versions of above functions, supposed to go away as soon as they are not used anymore */
	BOOL HCR_MapTypeToValueA(LPCSTR szExtension, LPSTR szFileType, DWORD len, BOOL bPrependDot);
	BOOL HCR_GetExecuteCommandA(LPCSTR szClass, LPCSTR szVerb, LPSTR szDest, DWORD len);
	BOOL HCR_GetDefaultIconA(LPCSTR szClass, LPSTR szDest, DWORD len, LPDWORD dwNr);
	BOOL HCR_GetClassNameA(REFIID riid, LPSTR szDest, DWORD len);

	BOOL HCR_GetExecuteCommandEx ( HKEY hkeyClass, LPCSTR szClass, LPCSTR szVerb, LPSTR szDest, DWORD len );
	BOOL HCR_GetFolderAttributes(REFIID riid, LPDWORD szDest);

	INT_PTR CALLBACK AboutDlgProc(HWND,UINT,WPARAM,LPARAM);
	DWORD WINAPI ParseFieldA(LPCSTR src, DWORD nField, LPSTR dst, DWORD len);
	DWORD WINAPI ParseFieldW(LPCWSTR src, DWORD nField, LPWSTR dst, DWORD len);

	/****************************************************************************
	* Class constructors
	*/
	LPDATAOBJECT IDataObject_Constructor(HWND hwndOwner, LPITEMIDLIST myPidl, LPITEMIDLIST * apidl, UINT cidl);
	LPENUMFORMATETC IEnumFORMATETC_Constructor(UINT, const FORMATETC []);

	LPCLASSFACTORY IClassFactory_Constructor(REFCLSID);
	IContextMenu * ISvItemCm_Constructor(LPSHELLFOLDER pSFParent, LPCITEMIDLIST pidl, LPCITEMIDLIST *aPidls, UINT uItemCount);
	IContextMenu * ISvBgCm_Constructor(LPSHELLFOLDER pSFParent);
	LPSHELLVIEW IShellView_Constructor(LPSHELLFOLDER);

	HRESULT WINAPI IFSFolder_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv);
	HRESULT WINAPI IShellLink_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv);
	HRESULT WINAPI ISF_Desktop_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv);
	HRESULT WINAPI ISF_MyComputer_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv);
	HRESULT WINAPI IDropTargetHelper_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv);

	/* kind of enumidlist */
	#define EIDL_DESK 0
	#define EIDL_MYCOMP 1
	#define EIDL_FILE 2

	LPENUMIDLIST IEnumIDList_Constructor(LPCSTR,DWORD,DWORD);

	LPEXTRACTICONA IExtractIconA_Constructor(LPITEMIDLIST);
	LPEXTRACTICONW IExtractIconW_Constructor(LPITEMIDLIST);
	HRESULT CreateStreamOnFile (LPCWSTR pszFilename, DWORD grfMode, IStream ** ppstm);

	/* FIXME: rename the functions when the shell32.dll has it's own exports namespace */
	HRESULT WINAPI SHELL32_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID * ppv);
	HRESULT WINAPI SHELL32_DllCanUnloadNow(void);


	/* menu merging */
	#define MM_ADDSEPARATOR 0x00000001L
	#define MM_SUBMENUSHAVEIDS 0x00000002L
	HRESULT WINAPI Shell_MergeMenus (HMENU hmDst, HMENU hmSrc, UINT uInsert, UINT uIDAdjust, UINT uIDAdjustMax, ULONG uFlags);

	/* initialisation for FORMATETC */
	#define InitFormatEtc(fe, cf, med) \
	{\
	(fe).cfFormat=cf;\
	(fe).dwAspect=DVASPECT_CONTENT;\
	(fe).ptd=NULL;\
	(fe).tymed=med;\
	(fe).lindex=-1;\
	};

	#define KeyStateToDropEffect(kst)\
	(((kst) & MK_CONTROL) ?\
	(((kst) & MK_SHIFT) ? DROPEFFECT_LINK : DROPEFFECT_COPY):\
	DROPEFFECT_MOVE)

	/* Systray */
	BOOL SYSTRAY_Init(void);

	/* OLE32 */
	extern HINSTANCE hShellOle32;

	extern HRESULT (WINAPI *pOleInitialize)(LPVOID reserved);
	extern void (WINAPI *pOleUninitialize)(void);
	extern HRESULT (WINAPI pRegisterDragDrop)(HWND hwnd, IDropTarget pDropTarget);
	extern HRESULT (WINAPI *pRevokeDragDrop)(HWND hwnd);
	extern HRESULT (WINAPI pDoDragDrop)(LPDATAOBJECT,LPDROPSOURCE,DWORD,DWORD);
	extern void (WINAPI pReleaseStgMedium)(STGMEDIUM pmedium);
	extern HRESULT (WINAPI pOleSetClipboard)(IDataObject pDataObj);
	extern HRESULT (WINAPI pOleGetClipboard)(IDataObject* ppDataObj);
	extern HRESULT (WINAPI pCoCreateInstance)(REFCLSID rclsid, LPUNKNOWN pUnkOuter, DWORD dwClsContext, REFIID iid, LPVOID ppv);

	BOOL GetShellOle(void);

	HGLOBAL RenderHDROP(LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
	HGLOBAL RenderSHELLIDLIST (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
	HGLOBAL RenderSHELLIDLISTOFFSET (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
	HGLOBAL RenderFILECONTENTS (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
	HGLOBAL RenderFILEDESCRIPTOR (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
	HGLOBAL RenderFILENAMEA (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
	HGLOBAL RenderFILENAMEW (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl);
	HGLOBAL RenderPREFEREDDROPEFFECT (DWORD dwFlags);

	/* Change Notification */
	void InitChangeNotifications(void);
	void FreeChangeNotifications(void);

	/* file operation */
	#define ASK_DELETE_FILE 1
	#define ASK_DELETE_FOLDER 2
	#define ASK_DELETE_MULTIPLE_ITEM 3
	#define ASK_CREATE_FOLDER 4
	#define ASK_OVERWRITE_FILE 5

	BOOL SHELL_DeleteDirectoryA(LPCSTR pszDir, BOOL bShowUI);
	BOOL SHELL_DeleteFileA(LPCSTR pszFile, BOOL bShowUI);
	BOOL SHELL_ConfirmDialog(int nKindOfDialog, LPCSTR szDir);

	/* 16-bit functions */
	void WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b);
	UINT16 WINAPI DragQueryFile16(HDROP16 hDrop, WORD wFile, LPSTR lpszFile, WORD wLength);
	void WINAPI DragFinish16(HDROP16 h);
	BOOL16 WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p);
	HINSTANCE16 WINAPI ShellExecute16(HWND16,LPCSTR,LPCSTR,LPCSTR,LPCSTR,INT16);
	HICON16 WINAPI ExtractIcon16(HINSTANCE16,LPCSTR,UINT16);
	HICON16 WINAPI ExtractAssociatedIcon16(HINSTANCE16,LPSTR,LPWORD);
	HICON16 WINAPI ExtractIconEx16 ( LPCSTR, INT16, HICON16 , HICON16 , UINT16 );
	HINSTANCE16 WINAPI FindExecutable16(LPCSTR,LPCSTR,LPSTR);
	HGLOBAL16 WINAPI InternalExtractIcon16(HINSTANCE16,LPCSTR,UINT16,WORD);
	BOOL16 WINAPI ShellAbout16(HWND16,LPCSTR,LPCSTR,HICON16);
	BOOL16 WINAPI AboutDlgProc16(HWND16,UINT16,WPARAM16,LPARAM);

	inline static BOOL SHELL_OsIsUnicode(void)
	{
	/* if high-bit of version is 0, we are emulating NT */
	return !(GetVersion() & 0x80000000);
	}

	#define __SHFreeAndNil(ptr) \
	{\
	SHFree(*ptr); \
	*ptr = NULL; \
	};
	inline static void __SHCloneStrA(char ** target,const char * source)
	{
	*target = SHAlloc(strlen(source)+1); \
	strcpy(*target, source); \
	}

	inline static void __SHCloneStrWtoA(char ** target, const WCHAR * source)
	{
	int len = WideCharToMultiByte(CP_ACP, 0, source, -1, NULL, 0, NULL, NULL);
	*target = SHAlloc(len);
	WideCharToMultiByte(CP_ACP, 0, source, -1, *target, len, NULL, NULL);
	}

	/* handle conversions */
	#define HICON_16(h32) (LOWORD(h32))
	#define HICON_32(h16) ((HICON)(ULONG_PTR)(h16))
	#define HINSTANCE_32(h16) ((HINSTANCE)(ULONG_PTR)(h16))
	#define HINSTANCE_16(h32) (LOWORD(h32))

	typedef UINT (SHELL_ExecuteA1632)(char lpCmd, LPSHELLEXECUTEINFOA sei, BOOL shWait);
	BOOL WINAPI ShellExecuteExA32 (LPSHELLEXECUTEINFOA sei, SHELL_ExecuteA1632 execfunc);

	#endif