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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1993.
//
// File: thunkapi.hxx
//
// Contents: Defines interfaces and methods for use by the WOW thunking
// system. This is intended as a private interface between
// OLE32 and the WOW thunking layer.
//
// Classes: OleThunkWOW
//
// Functions:
//
// History: 3-15-94 kevinro Created
//
//----------------------------------------------------------------------------
#ifndef __thunkapi_hxx__
#define __thunkapi_hxx__
//
// ThunkManager interface
//
interface IThunkManager : public IUnknown{ // *** IUnknown methods ***
STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID FAR* ppvObj) PURE; STDMETHOD_(ULONG,AddRef) (THIS) PURE; STDMETHOD_(ULONG,Release) (THIS) PURE;
// *** IThunkManager methods ***
STDMETHOD_(BOOL, IsIIDRequested) (THIS_ REFIID rrid) PURE; STDMETHOD_(BOOL, IsCustom3216Proxy) (THIS_ IUnknown *punk, REFIID riid) PURE;};
//
// The following sets up an interface between OLE32
// and the WOW thunking system. This interface is intended to be private
// between OLE32 and the WOW thunk layer.
//
class OleThunkWOW{public:
STDMETHOD(LoadProcDll)( LPCWSTR pszDllName, LPDWORD lpvpfnGetClassObject, LPDWORD lpvpfnCanUnloadNow, LPDWORD lpvhmodule );
STDMETHOD(UnloadProcDll)( HMODULE vhmodule );
STDMETHOD(CallGetClassObject)( ULONG_PTR vpfnGetClassObject, REFCLSID rclsid, REFIID riid, LPVOID FAR *ppv );
STDMETHOD(CallCanUnloadNow)( ULONG_PTR vpfnCanUnloadNow ); STDMETHOD(GetThunkManager)( IThunkManager **pThkMgr);
// Used to launch OLE 1.0 servers when we're in Wow
STDMETHOD(WinExec16)(LPCOLESTR pszCommandLine, USHORT usShow);
//
// Called by the DDE code to convert incoming HWND's from
// 16 bit HWND's into 32-bit HWND's.
//
STDMETHOD_(HWND,ConvertHwndToFullHwnd)(HWND hwnd);
//
// Called by the DDE code to delete a metafile
//
STDMETHOD_(BOOL,FreeMetaFile)(HANDLE hmf);
// Called by Call Control to guarantee that a Yield happens
// when running in Wow.
STDMETHOD(YieldTask16)(void);
// Call Control Directed Yeild
STDMETHOD(DirectedYield)(DWORD dwCalleeTID);
// Called by OLE32 when it is shutting down (done on a per thread basis)
STDMETHOD_(void,PrepareForCleanup)(void);
STDMETHOD_(DWORD,GetAppCompatibilityFlags)(void);};
typedef OleThunkWOW *LPOLETHUNKWOW,OLETHUNKWOW;
//
// OLE Thunk Application Compatability flags
//
#define OACF_CLIENTSITE_REF 0x80000000 // IOleObject::GetClientSite not ref'd
// Bug in Excel 5.0a
#define OACF_RESETMENU 0x40000000 // IOleInPlaceFrame::RemoveMenu didn't
// do a OleSetMenuDescriptor(NULL).
#define OACF_USEGDI 0x20000000 // Word 6 thinks bitmaps and palette
// objects are HGLOBALs, but they
// are really GDI objects. We'll patch
// this up for them.
//
// The following flag is set in olethunk\h\interop.hxx because it is used by
// 16-bit binaries.
// OACF_CORELTRASHMEM 0x10000000 // CorelDraw relies on the fact that
// // OLE16 trashed memory during paste-
// // link. Therefore, we'll go ahead
// // and trash it for them if this
// // flag is on.
//
// The original OLE32 version of the stdid table didn't clean up properly. Some apps cannot
// handle the stdid calling after CoUninitialize. This flag prevents the stdid from doing so.
// Word 6.0c is an example of this.
//
#define OACF_NO_UNINIT_CLEANUP 0x02000000 // Do not cleanup interfaces on CoUninitialize
#define OACF_IVIEWOBJECT2 0x01000000 // use IViewObject2 instead IViewObject
//
// The following three routines are exported from OLE32.DLL, and
// are called only by the WOW thunk layer.
//
STDAPI CoInitializeWOW( LPMALLOC vlpmalloc, LPOLETHUNKWOW lpthk );STDAPI CoUnloadingWOW(BOOL fProcessDetach);STDAPI OleInitializeWOW( LPMALLOC vlpmalloc, LPOLETHUNKWOW lpthk );STDAPI DllGetClassObjectWOW( REFCLSID rclsid, REFIID riid, LPVOID *ppv );
extern void SetOleThunkWowPtr(LPOLETHUNKWOW lpthk);
#endif //
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