COM

const char* s;
BSTR s = ::SysAllocString(A2COLE(s));
LPCTSTR ts;
BSTR s = ::SysAllocString(T2COLE(ts));

struct {
....
BSTR bs;
....
} thing;
char* s;
thing.bs = CComBSTR(s).Detach();

void CExeModule::MonitorShutdown()
{
    while (1)
    {
        WaitForSingleObject(hEventShutdown, INFINITE);
        DWORD dwWait=0;
        do
        {
            bActivity = false;
 			dwWait = WaitForSingleObject(hEventShutdown, dwTimeOut);
        } while (dwWait == WAIT_OBJECT_0);

        // timed out
        if (!bActivity && m_nLockCnt == 0 && bOKToShutDown) // if no activity let's really bail
        {
#if _WIN32_WINNT >= 0x0400 & defined(_ATL_FREE_THREADED)
            CoSuspendClassObjects();
            if (!bActivity && m_nLockCnt == 0)
#endif
                break;
        }
    }
    CloseHandle(hEventShutdown);
    PostThreadMessage(dwThreadID, WM_QUIT, 0, 0);
}

Jason Henderson
_{quasi-homepage}
^articles
_{"Like it or not, I'm right!"}

/* main.c */
//other headers here ...
//... 
#inluce "windows.h"
#include "objx\\objx.h"
//"objX" is a test object

int main(int argc, char* argv[])
{
	IObj *pObj;
	HRESULT hr;
	BSTR wsIn;

	CoInitialize(0);
	
	hr = CoCreateInstance( &CLSID_Obj, 0, CLSCTX_SERVER, &IID_IObj, (void**) &pObj);
	
	if(S_OK == hr)
	{
		
		wsIn = SysAllocString(L"Test string.");
		//all calls made using vtbl 
		hr = pObj->lpVtbl->Test(pObj,wsIn);
		//see objX.h file for declaration of IObj interface	
		pObj->lpVtbl->Release(pObj);

		SysFreeString(wsIn);
	}
	

	CoUninitialize();
}

#pragma warning( disable: 4049 )  /* more than 64k source lines */

/* this ALWAYS GENERATED file contains the definitions for the interfaces */


 /* File created by MIDL compiler version 5.03.0280 */
/* at Mon Jun 24 10:55:15 2002
 */
/* Compiler settings for C:\TEMP\tt\objX\objX.idl:
    Oicf (OptLev=i2), W1, Zp8, env=Win32 (32b run), ms_ext, c_ext
    error checks: allocation ref bounds_check enum stub_data 
    VC __declspec() decoration level: 
         __declspec(uuid()), __declspec(selectany), __declspec(novtable)
         DECLSPEC_UUID(), MIDL_INTERFACE()
*/
//@@MIDL_FILE_HEADING(  )


/* verify that the <rpcndr.h> version is high enough to compile this file*/
#ifndef __REQUIRED_RPCNDR_H_VERSION__
#define __REQUIRED_RPCNDR_H_VERSION__ 440
#endif

#include "rpc.h"
#include "rpcndr.h"

#ifndef __RPCNDR_H_VERSION__
#error this stub requires an updated version of <rpcndr.h>
#endif // __RPCNDR_H_VERSION__

#ifndef COM_NO_WINDOWS_H
#include "windows.h"
#include "ole2.h"
#endif /*COM_NO_WINDOWS_H*/

#ifndef __objX_h__
#define __objX_h__

/* Forward Declarations */ 

#ifndef __IObj_FWD_DEFINED__
#define __IObj_FWD_DEFINED__
typedef interface IObj IObj;
#endif 	/* __IObj_FWD_DEFINED__ */


#ifndef __Obj_FWD_DEFINED__
#define __Obj_FWD_DEFINED__

#ifdef __cplusplus
typedef class Obj Obj;
#else
typedef struct Obj Obj;
#endif /* __cplusplus */

#endif 	/* __Obj_FWD_DEFINED__ */


/* header files for imported files */
#include "oaidl.h"
#include "ocidl.h"

#ifdef __cplusplus
extern "C"{
#endif 

void __RPC_FAR * __RPC_USER MIDL_user_allocate(size_t);
void __RPC_USER MIDL_user_free( void __RPC_FAR * ); 

#ifndef __IObj_INTERFACE_DEFINED__
#define __IObj_INTERFACE_DEFINED__

/* interface IObj */
/* [unique][helpstring][dual][uuid][object] */ 


EXTERN_C const IID IID_IObj;

#if defined(__cplusplus) && !defined(CINTERFACE)
    
    MIDL_INTERFACE("3257037D-879B-11D6-A117-00B0D0C3D9BD")
    IObj : public IDispatch
    {
    public:
        virtual /* [helpstring][id] */ HRESULT STDMETHODCALLTYPE Test( 
            /* [in] */ BSTR wsIn) = 0;
        
    };
    
#else 	
^__b style='{ color:blue }'>
    typedef struct IObjVtbl
    {
        BEGIN_INTERFACE
        
        HRESULT ( STDMETHODCALLTYPE __RPC_FAR *QueryInterface )( 
            IObj __RPC_FAR * This,
            /* [in] */ REFIID riid,
            /* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject);
        
        ULONG ( STDMETHODCALLTYPE __RPC_FAR *AddRef )( 
            IObj __RPC_FAR * This);
        
        ULONG ( STDMETHODCALLTYPE __RPC_FAR *Release )( 
            IObj __RPC_FAR * This);
        
        HRESULT ( STDMETHODCALLTYPE __RPC_FAR *GetTypeInfoCount )( 
            IObj __RPC_FAR * This,
            /* [out] */ UINT __RPC_FAR *pctinfo);
        
        HRESULT ( STDMETHODCALLTYPE __RPC_FAR *GetTypeInfo )( 
            IObj __RPC_FAR * This,
            /* [in] */ UINT iTInfo,
            /* [in] */ LCID lcid,
            /* [out] */ ITypeInfo __RPC_FAR *__RPC_FAR *ppTInfo);
        
        HRESULT ( STDMETHODCALLTYPE __RPC_FAR *GetIDsOfNames )( 
            IObj __RPC_FAR * This,
            /* [in] */ REFIID riid,
            /* [size_is][in] */ LPOLESTR __RPC_FAR *rgszNames,
            /* [in] */ UINT cNames,
            /* [in] */ LCID lcid,
            /* [size_is][out] */ DISPID __RPC_FAR *rgDispId);
        
        /* [local] */ HRESULT ( STDMETHODCALLTYPE __RPC_FAR *Invoke )( 
            IObj __RPC_FAR * This,
            /* [in] */ DISPID dispIdMember,
            /* [in] */ REFIID riid,
            /* [in] */ LCID lcid,
            /* [in] */ WORD wFlags,
            /* [out][in] */ DISPPARAMS __RPC_FAR *pDispParams,
            /* [out] */ VARIANT __RPC_FAR *pVarResult,
            /* [out] */ EXCEPINFO __RPC_FAR *pExcepInfo,
            /* [out] */ UINT __RPC_FAR *puArgErr);
        
        /* [helpstring][id] */ HRESULT ( STDMETHODCALLTYPE __RPC_FAR *Test )( 
            IObj __RPC_FAR * This,
            /* [in] */ BSTR wsIn);
        
        END_INTERFACE
    } IObjVtbl;

    interface IObj
    {
        CONST_VTBL struct IObjVtbl __RPC_FAR *lpVtbl;
    };

    

#ifdef COBJMACROS


#define IObj_QueryInterface(This,riid,ppvObject)	\
    (This)->lpVtbl -> QueryInterface(This,riid,ppvObject)

#define IObj_AddRef(This)	\
    (This)->lpVtbl -> AddRef(This)

#define IObj_Release(This)	\
    (This)->lpVtbl -> Release(This)


#define IObj_GetTypeInfoCount(This,pctinfo)	\
    (This)->lpVtbl -> GetTypeInfoCount(This,pctinfo)

#define IObj_GetTypeInfo(This,iTInfo,lcid,ppTInfo)	\
    (This)->lpVtbl -> GetTypeInfo(This,iTInfo,lcid,ppTInfo)

#define IObj_GetIDsOfNames(This,riid,rgszNames,cNames,lcid,rgDispId)	\
    (This)->lpVtbl -> GetIDsOfNames(This,riid,rgszNames,cNames,lcid,rgDispId)

#define IObj_Invoke(This,dispIdMember,riid,lcid,wFlags,pDispParams,pVarResult,pExcepInfo,puArgErr)	\
    (This)->lpVtbl -> Invoke(This,dispIdMember,riid,lcid,wFlags,pDispParams,pVarResult,pExcepInfo,puArgErr)


#define IObj_Test(This,wsIn)	\
    (This)->lpVtbl -> Test(This,wsIn)

#endif /* COBJMACROS */


#endif 	/* C style interface */



/* [helpstring][id] */ HRESULT STDMETHODCALLTYPE IObj_Test_Proxy( 
    IObj __RPC_FAR * This,
    /* [in] */ BSTR wsIn);


void __RPC_STUB IObj_Test_Stub(
    IRpcStubBuffer *This,
    IRpcChannelBuffer *_pRpcChannelBuffer,
    PRPC_MESSAGE _pRpcMessage,
    DWORD *_pdwStubPhase);



#endif 	/* __IObj_INTERFACE_DEFINED__ */



#ifndef __OBJXLib_LIBRARY_DEFINED__
#define __OBJXLib_LIBRARY_DEFINED__

/* library OBJXLib */
/* [helpstring][version][uuid] */ 


EXTERN_C const IID LIBID_OBJXLib;

EXTERN_C const CLSID CLSID_Obj;

#ifdef __cplusplus

class DECLSPEC_UUID("3257037E-879B-11D6-A117-00B0D0C3D9BD")
Obj;
#endif
#endif /* __OBJXLib_LIBRARY_DEFINED__ */

/* Additional Prototypes for ALL interfaces */

unsigned long             __RPC_USER  BSTR_UserSize(     unsigned long __RPC_FAR *, unsigned long            , BSTR __RPC_FAR * ); 
unsigned char __RPC_FAR * __RPC_USER  BSTR_UserMarshal(  unsigned long __RPC_FAR *, unsigned char __RPC_FAR *, BSTR __RPC_FAR * ); 
unsigned char __RPC_FAR * __RPC_USER  BSTR_UserUnmarshal(unsigned long __RPC_FAR *, unsigned char __RPC_FAR *, BSTR __RPC_FAR * ); 
void                      __RPC_USER  BSTR_UserFree(     unsigned long __RPC_FAR *, BSTR __RPC_FAR * ); 

/* end of Additional Prototypes */

#ifdef __cplusplus
}
#endif

#endif