exchext.h

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#ifndef EXCHEXT_H
#pragma option push -b -a8 -pc -A- /*P_O_Push*/
#define EXCHEXT_H


/*
 *	E X C H E X T . H
 *
 *	Declarations of interfaces for providers of Microsoft Exchange
 *	client extensions. 
 *
 *  Copyright 1986-1996 Microsoft Corporation. All Rights Reserved.
 */


#ifndef BEGIN_INTERFACE
#define BEGIN_INTERFACE
#endif


/*
 *	C o n s t a n t s
 */


// SCODEs
#define EXCHEXT_S_NOCRITERIA	MAKE_SCODE(SEVERITY_SUCCESS, FACILITY_ITF, 1)
#define EXCHEXT_S_NOCHANGE		MAKE_SCODE(SEVERITY_SUCCESS, FACILITY_ITF, 2)

// Flag for Unicode strings
#define EXCHEXT_UNICODE					(0x80000000)

// Flag values for IExchExtCallback::GetVersion
#define EECBGV_GETBUILDVERSION			(0x00000001)
#define EECBGV_GETACTUALVERSION			(0x00000002)
#define EECBGV_GETVIRTUALVERSION		(0x00000004)

// Build version value for IExchExtCallback::GetVersion
#define EECBGV_BUILDVERSION_MAJOR		(0x000d0000)
#define EECBGV_BUILDVERSION_MAJOR_MASK	(0xFFFF0000)
#define EECBGV_BUILDVERSION_MINOR_MASK	(0x0000FFFF)

// Actual/Virtual version values for IExchExtCallback::GetVersion
#define EECBGV_MSEXCHANGE_WIN31			(0x01010000)
#define EECBGV_MSEXCHANGE_WIN95			(0x01020000)
#define EECBGV_MSEXCHANGE_WINNT			(0x01030000)
#define EECBGV_MSEXCHANGE_MAC			(0x01040000)
#define EECBGV_VERSION_PRODUCT_MASK		(0xFF000000)
#define EECBGV_VERSION_PLATFORM_MASK	(0x00FF0000)
#define EECBGV_VERSION_MAJOR_MASK		(0x0000FF00)
#define EECBGV_VERSION_MINOR_MASK		(0x000000FF)

// Flag values for IExchExtCallback::GetMenuPos
#define EECBGMP_RANGE					(0x00000001)

// Flag values for IExchExtCallback::GetNewMessageSite
#define EECBGNMS_MODAL					(0x00000001)

// Flag values for IExchExtCallback::ChooseFolder
#define EECBCF_GETNAME					(0x00000001)
#define EECBCF_HIDENEW					(0x00000002)
#define EECBCF_PREVENTROOT				(0x00000004)

// Extensibility contexts used with IExchExt::Install
#define EECONTEXT_SESSION				(0x00000001)
#define EECONTEXT_VIEWER				(0x00000002)
#define EECONTEXT_REMOTEVIEWER			(0x00000003)
#define EECONTEXT_SEARCHVIEWER			(0x00000004)
#define EECONTEXT_ADDRBOOK				(0x00000005)
#define EECONTEXT_SENDNOTEMESSAGE		(0x00000006)
#define EECONTEXT_READNOTEMESSAGE		(0x00000007)
#define EECONTEXT_SENDPOSTMESSAGE		(0x00000008)
#define EECONTEXT_READPOSTMESSAGE		(0x00000009)
#define EECONTEXT_READREPORTMESSAGE		(0x0000000A)
#define EECONTEXT_SENDRESENDMESSAGE		(0x0000000B)
#define EECONTEXT_PROPERTYSHEETS		(0x0000000C)
#define EECONTEXT_ADVANCEDCRITERIA		(0x0000000D)
#define EECONTEXT_TASK					(0x0000000E)

// Flag values for IExchExt::Install
#define EE_MODAL						(0x00000001)

// Toolbar ids used with IExchExtCommands::InstallCommands
#define EETBID_STANDARD					(0x00000001)

// Flag values for IExchExtCommands::QueryHelpText
#define EECQHT_STATUS					(0x00000001)
#define EECQHT_TOOLTIP					(0x00000002)

// Flag values for IExchExtMessageEvents::OnXComplete
#define EEME_FAILED						(0x00000001)
#define EEME_COMPLETE_FAILED			(0x00000002)

// Flag values for IExchExtAttachedFileEvents::OpenSzFile
#define EEAFE_OPEN						(0x00000001)
#define EEAFE_PRINT						(0x00000002)
#define EEAFE_QUICKVIEW					(0x00000003)

// Flag values for IExchExtPropertySheets methods
#define EEPS_MESSAGE					(0x00000001)
#define EEPS_FOLDER						(0x00000002)
#define EEPS_STORE						(0x00000003)
#define EEPS_TOOLSOPTIONS				(0x00000004)

// Flag values for IExchExtAdvancedCriteria::Install and ::SetFolder
#define EEAC_INCLUDESUBFOLDERS			(0x00000001)


/*
 *	S t r u c t u r e s
 */


// Hook procedure for IExchExtCallback::ChooseFolder
typedef UINT (STDAPICALLTYPE FAR * LPEECFHOOKPROC)(HWND, UINT, WPARAM, LPARAM);

// Dialog information for IExchExtCallback::ChooseFolder
typedef struct
{
	UINT cbLength;
	HWND hwnd;
	LPTSTR szCaption;
	LPTSTR szLabel;
	LPTSTR szHelpFile;
	ULONG ulHelpID;
	HINSTANCE hinst;
	UINT uiDlgID;
	LPEECFHOOKPROC lpeecfhp;
	DWORD dwHookData;
	ULONG ulFlags;
	LPMDB pmdb;
	LPMAPIFOLDER pfld;
	LPTSTR szName;
	DWORD dwReserved1;
	DWORD dwReserved2;
	DWORD dwReserved3;
}
EXCHEXTCHOOSEFOLDER, FAR * LPEXCHEXTCHOOSEFOLDER;

// Toolbar list entries for IExchExtCommands::InstallCommands
typedef struct
{
	HWND hwnd;
	ULONG tbid;
	ULONG ulFlags;
	UINT itbbBase;
}
TBENTRY, FAR * LPTBENTRY;


/*
 *	E x t e r n a l   T y p e s
 */


// Property sheet pages from Windows 95 prsht.h
#ifndef _PRSHT_H_
typedef struct _PROPSHEETPAGE;
typedef struct _PROPSHEETPAGE FAR * LPPROPSHEETPAGE;
#endif

// Toolbar adjust info from Windows 95 commctrl.h
#ifndef _INC_COMMCTRL
typedef struct _TBBUTTON;
typedef struct _TBBUTTON FAR * LPTBBUTTON;
#endif


/*
 *	S u p p o r t   I n t e r f a c e s
 */


// Forward reference
#ifdef __cplusplus
interface IExchExtModeless;
#else
typedef interface IExchExtModeless IExchExtModeless;
#endif 
typedef IExchExtModeless FAR* LPEXCHEXTMODELESS;


/*
 *  IExchExtModelessCallback
 *
 *  Purpose:
 *      Interface which may be used by Exchange client
 *      extensions that create modeless UI.
 */
#undef INTERFACE
#define INTERFACE   IExchExtModelessCallback
DECLARE_INTERFACE_(IExchExtModelessCallback, IUnknown)
{
	BEGIN_INTERFACE

	// *** IUnknown methods ***
	STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID FAR * lppvObj) PURE;
	STDMETHOD_(ULONG,AddRef) (THIS)  PURE;
	STDMETHOD_(ULONG,Release) (THIS) PURE;
  
	// *** IExchExtModelessCallback methods ***
	STDMETHOD(EnableModeless) (THIS_ HWND hwnd, BOOL fEnable) PURE;
	STDMETHOD(AddWindow) (THIS) PURE;
	STDMETHOD(ReleaseWindow) (THIS) PURE;
};
typedef IExchExtModelessCallback FAR * LPEXCHEXTMODELESSCALLBACK;


/*
 *	IExchExtCallback
 *
 *	Purpose:
 *		Resource interface that may be used by Exchange client extensions.
 */
#undef INTERFACE
#define INTERFACE   IExchExtCallback

DECLARE_INTERFACE_(IExchExtCallback, IUnknown)
{
	BEGIN_INTERFACE

    // *** IUnknown methods ***
    STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID FAR * lppvObj) PURE;
    STDMETHOD_(ULONG,AddRef) (THIS)  PURE;
    STDMETHOD_(ULONG,Release) (THIS) PURE;

    // *** IExchExtCallback methods ***
	STDMETHOD(GetVersion) (THIS_ ULONG FAR * lpulVersion, ULONG ulFlags) PURE;
    STDMETHOD(GetWindow) (THIS_ HWND FAR * lphwnd) PURE;
    STDMETHOD(GetMenu) (THIS_ HMENU FAR * lphmenu) PURE;
    STDMETHOD(GetToolbar) (THIS_ ULONG tbid, HWND FAR * lphwndTb) PURE;
    STDMETHOD(GetSession) (THIS_ LPMAPISESSION FAR * lppses, 
    					   LPADRBOOK FAR * lppab) PURE;
    STDMETHOD(GetObject) (THIS_ LPMDB FAR * lppmdb, 
    					  LPMAPIPROP FAR * lppmp) PURE;
    STDMETHOD(GetSelectionCount) (THIS_ ULONG FAR * lpceid) PURE;
    STDMETHOD(GetSelectionItem) (THIS_ ULONG ieid, ULONG FAR * lpcbEid,
	    						 LPENTRYID FAR * lppeid, ULONG FAR * lpulType,
	    						 LPTSTR lpszMsgClass, ULONG cbMsgClass,
	    						 ULONG FAR * lpulMsgFlags, ULONG ulFlags) PURE;
	STDMETHOD(GetMenuPos) (THIS_ ULONG cmdid, HMENU FAR * lphmenu,
						   ULONG FAR * lpmposMin, ULONG FAR * lpmposMax,
						   ULONG ulFlags) PURE;
	STDMETHOD(GetSharedExtsDir) (THIS_ LPTSTR lpszDir, ULONG cchDir, 
								 ULONG ulFlags) PURE;
	STDMETHOD(GetRecipients) (THIS_ LPADRLIST FAR * lppal) PURE;
	STDMETHOD(SetRecipients) (THIS_ LPADRLIST lpal) PURE;
	STDMETHOD(GetNewMessageSite) (THIS_ ULONG fComposeInFolder,
								  LPMAPIFOLDER pfldFocus,
								  LPPERSISTMESSAGE ppermsg,
								  LPMESSAGE FAR * ppmsg,
								  LPMAPIMESSAGESITE FAR * ppmms,
								  LPMAPIVIEWCONTEXT FAR * ppmvc,
								  ULONG ulFlags) PURE;
	STDMETHOD(RegisterModeless) (THIS_ LPEXCHEXTMODELESS peem,
								 LPEXCHEXTMODELESSCALLBACK FAR * ppeemcb) PURE;
	STDMETHOD(ChooseFolder) (THIS_ LPEXCHEXTCHOOSEFOLDER peecf) PURE;
};
typedef IExchExtCallback FAR * LPEXCHEXTCALLBACK;


/*
 *	E x t e n s i o n   I n t e r f a c e s
 */


/*
 *	IExchExt
 *
 *	Purpose:
 *		Central interface implemented by Exchange client extensions.
 */
#undef INTERFACE
#define INTERFACE   IExchExt

DECLARE_INTERFACE_(IExchExt, IUnknown)
{
	BEGIN_INTERFACE

    // *** IUnknown methods ***
    STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID FAR * lppvObj) PURE;
    STDMETHOD_(ULONG,AddRef) (THIS) PURE;
    STDMETHOD_(ULONG,Release) (THIS) PURE;

    // *** IExchExt methods ***
    STDMETHOD(Install) (THIS_ LPEXCHEXTCALLBACK lpeecb, 
    					ULONG mecontext, ULONG ulFlags) PURE;
};
typedef IExchExt FAR * LPEXCHEXT;

// Type of function called by the client to load an extension
typedef LPEXCHEXT (CALLBACK * LPFNEXCHEXTENTRY)(VOID);


/*
 *	IExchExtCommands
 *
 *	Purpose:
 *		Interface implemented by Exchange client extensions that wish to
 *		add additional commands to the client's menus.
 */
#undef INTERFACE
#define INTERFACE   IExchExtCommands

DECLARE_INTERFACE_(IExchExtCommands, IUnknown)
{
	BEGIN_INTERFACE

    // *** IUnknown methods ***
    STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID FAR * lppvObj) PURE;
    STDMETHOD_(ULONG,AddRef) (THIS) PURE;
    STDMETHOD_(ULONG,Release) (THIS) PURE;

    // *** IExchExtCommands methods ***
	STDMETHOD(InstallCommands) (THIS_ LPEXCHEXTCALLBACK lpeecb, HWND hwnd, 
								HMENU hmenu, UINT FAR * lpcmdidBase, 
								LPTBENTRY lptbeArray, UINT ctbe, 
								ULONG ulFlags) PURE;
	STDMETHOD_(VOID,InitMenu) (THIS_ LPEXCHEXTCALLBACK lpeecb) PURE;
	STDMETHOD(DoCommand) (THIS_ LPEXCHEXTCALLBACK lpeecb, UINT cmdid) PURE;
	STDMETHOD(Help) (THIS_ LPEXCHEXTCALLBACK lpeecb, UINT cmdid) PURE;
	STDMETHOD(QueryHelpText) (THIS_ UINT cmdid, ULONG ulFlags,
							  LPTSTR lpsz, UINT cch) PURE;
	STDMETHOD(QueryButtonInfo) (THIS_ ULONG tbid, UINT itbb, LPTBBUTTON ptbb,
								LPTSTR lpsz, UINT cch, ULONG ulFlags) PURE;
	STDMETHOD(ResetToolbar) (THIS_ ULONG tbid, ULONG ulFlags) PURE;
};
typedef IExchExtCommands FAR * LPEXCHEXTCOMMANDS;


/*
 *	IExchExtUserEvents
 *
 *	Purpose:
 *		Interface implemented by Exchange client extensions that wish to
 *		take special action when the user does certain actions.
 */
#undef INTERFACE
#define INTERFACE   IExchExtUserEvents

DECLARE_INTERFACE_(IExchExtUserEvents, IUnknown)
{
	BEGIN_INTERFACE

    // *** IUnknown methods ***
    STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID FAR * lppvObj) PURE;
    STDMETHOD_(ULONG,AddRef) (THIS)  PURE;
    STDMETHOD_(ULONG,Release) (THIS) PURE;

    // *** IExchExtUserEvents methods ***
	STDMETHOD_(VOID,OnSelectionChange) (THIS_ LPEXCHEXTCALLBACK lpeecb) PURE;
	STDMETHOD_(VOID,OnObjectChange) (THIS_ LPEXCHEXTCALLBACK lpeecb) PURE;
};
typedef IExchExtUserEvents FAR * LPEXCHEXTUSEREVENTS;


/*
 *	IExchExtSessionEvents
 *
 *	Purpose:
 *		Interface implemented by Exchange client extensions that wish to
 *		take special action when certain events happen in the session.
 */
#undef INTERFACE
#define INTERFACE   IExchExtSessionEvents

DECLARE_INTERFACE_(IExchExtSessionEvents, IUnknown)
{
	BEGIN_INTERFACE

    // *** IUnknown methods ***
    STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID FAR * lppvObj) PURE;
    STDMETHOD_(ULONG,AddRef) (THIS)  PURE;
    STDMETHOD_(ULONG,Release) (THIS) PURE;

    // *** IExchExtEvents methods ***
	STDMETHOD(OnDelivery)(THIS_ LPEXCHEXTCALLBACK lpeecb) PURE;
};
typedef IExchExtSessionEvents FAR * LPEXCHEXTSESSIONEVENTS;


/*
 *	IExchExtMessageEvents
 *
 *	Purpose:
 *		Interface implemented by Exchange client extensions that wish to
 *		take special action when certain events happen to messages.
 */
#undef INTERFACE
#define INTERFACE   IExchExtMessageEvents

DECLARE_INTERFACE_(IExchExtMessageEvents, IUnknown)
{
	BEGIN_INTERFACE

    // *** IUnknown methods ***