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Building COM Servers in .NET

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2 Feb 2006CPOL98 min read 458.4K   4K   301  
Learn the fundamental principles of building COM DLL and EXE Servers using a .NET language.
 

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


 /* File created by MIDL compiler version 6.00.0361 */
/* at Thu Jan 05 00:55:16 2006
 */
/* Compiler settings for .\SimpleCOMObject.idl:
    Oicf, W1, Zp8, env=Win32 (32b run)
    protocol : dce , ms_ext, c_ext, robust
    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(  )

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


/* verify that the <rpcndr.h> version is high enough to compile this file*/
#ifndef __REQUIRED_RPCNDR_H_VERSION__
#define __REQUIRED_RPCNDR_H_VERSION__ 475
#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 __SimpleCOMObject_h__
#define __SimpleCOMObject_h__

#if defined(_MSC_VER) && (_MSC_VER >= 1020)
#pragma once
#endif

/* Forward Declarations */ 

#ifndef __ISimpleCOMObject_FWD_DEFINED__
#define __ISimpleCOMObject_FWD_DEFINED__
typedef interface ISimpleCOMObject ISimpleCOMObject;
#endif 	/* __ISimpleCOMObject_FWD_DEFINED__ */


#ifndef ___ISimpleCOMObjectEvents_FWD_DEFINED__
#define ___ISimpleCOMObjectEvents_FWD_DEFINED__
typedef interface _ISimpleCOMObjectEvents _ISimpleCOMObjectEvents;
#endif 	/* ___ISimpleCOMObjectEvents_FWD_DEFINED__ */


#ifndef __SimpleCOMObject_FWD_DEFINED__
#define __SimpleCOMObject_FWD_DEFINED__

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

#endif 	/* __SimpleCOMObject_FWD_DEFINED__ */


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

#ifdef __cplusplus
extern "C"{
#endif 

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

#ifndef __ISimpleCOMObject_INTERFACE_DEFINED__
#define __ISimpleCOMObject_INTERFACE_DEFINED__

/* interface ISimpleCOMObject */
/* [unique][helpstring][nonextensible][dual][uuid][object] */ 


EXTERN_C const IID IID_ISimpleCOMObject;

#if defined(__cplusplus) && !defined(CINTERFACE)
    
    MIDL_INTERFACE("9EB07DC7-6807-4104-95FE-AD7672A87BD7")
    ISimpleCOMObject : public IDispatch
    {
    public:
        virtual /* [helpstring][id][propget] */ HRESULT STDMETHODCALLTYPE get_LongProperty( 
            /* [retval][out] */ LONG *pVal) = 0;
        
        virtual /* [helpstring][id][propput] */ HRESULT STDMETHODCALLTYPE put_LongProperty( 
            /* [in] */ LONG newVal) = 0;
        
        virtual /* [helpstring][id] */ HRESULT STDMETHODCALLTYPE Method01( 
            /* [in] */ BSTR strMessage) = 0;
        
    };
    
#else 	/* C style interface */

    typedef struct ISimpleCOMObjectVtbl
    {
        BEGIN_INTERFACE
        
        HRESULT ( STDMETHODCALLTYPE *QueryInterface )( 
            ISimpleCOMObject * This,
            /* [in] */ REFIID riid,
            /* [iid_is][out] */ void **ppvObject);
        
        ULONG ( STDMETHODCALLTYPE *AddRef )( 
            ISimpleCOMObject * This);
        
        ULONG ( STDMETHODCALLTYPE *Release )( 
            ISimpleCOMObject * This);
        
        HRESULT ( STDMETHODCALLTYPE *GetTypeInfoCount )( 
            ISimpleCOMObject * This,
            /* [out] */ UINT *pctinfo);
        
        HRESULT ( STDMETHODCALLTYPE *GetTypeInfo )( 
            ISimpleCOMObject * This,
            /* [in] */ UINT iTInfo,
            /* [in] */ LCID lcid,
            /* [out] */ ITypeInfo **ppTInfo);
        
        HRESULT ( STDMETHODCALLTYPE *GetIDsOfNames )( 
            ISimpleCOMObject * This,
            /* [in] */ REFIID riid,
            /* [size_is][in] */ LPOLESTR *rgszNames,
            /* [in] */ UINT cNames,
            /* [in] */ LCID lcid,
            /* [size_is][out] */ DISPID *rgDispId);
        
        /* [local] */ HRESULT ( STDMETHODCALLTYPE *Invoke )( 
            ISimpleCOMObject * This,
            /* [in] */ DISPID dispIdMember,
            /* [in] */ REFIID riid,
            /* [in] */ LCID lcid,
            /* [in] */ WORD wFlags,
            /* [out][in] */ DISPPARAMS *pDispParams,
            /* [out] */ VARIANT *pVarResult,
            /* [out] */ EXCEPINFO *pExcepInfo,
            /* [out] */ UINT *puArgErr);
        
        /* [helpstring][id][propget] */ HRESULT ( STDMETHODCALLTYPE *get_LongProperty )( 
            ISimpleCOMObject * This,
            /* [retval][out] */ LONG *pVal);
        
        /* [helpstring][id][propput] */ HRESULT ( STDMETHODCALLTYPE *put_LongProperty )( 
            ISimpleCOMObject * This,
            /* [in] */ LONG newVal);
        
        /* [helpstring][id] */ HRESULT ( STDMETHODCALLTYPE *Method01 )( 
            ISimpleCOMObject * This,
            /* [in] */ BSTR strMessage);
        
        END_INTERFACE
    } ISimpleCOMObjectVtbl;

    interface ISimpleCOMObject
    {
        CONST_VTBL struct ISimpleCOMObjectVtbl *lpVtbl;
    };

    

#ifdef COBJMACROS


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

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

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


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

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

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

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


#define ISimpleCOMObject_get_LongProperty(This,pVal)	\
    (This)->lpVtbl -> get_LongProperty(This,pVal)

#define ISimpleCOMObject_put_LongProperty(This,newVal)	\
    (This)->lpVtbl -> put_LongProperty(This,newVal)

#define ISimpleCOMObject_Method01(This,strMessage)	\
    (This)->lpVtbl -> Method01(This,strMessage)

#endif /* COBJMACROS */


#endif 	/* C style interface */



/* [helpstring][id][propget] */ HRESULT STDMETHODCALLTYPE ISimpleCOMObject_get_LongProperty_Proxy( 
    ISimpleCOMObject * This,
    /* [retval][out] */ LONG *pVal);


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


/* [helpstring][id][propput] */ HRESULT STDMETHODCALLTYPE ISimpleCOMObject_put_LongProperty_Proxy( 
    ISimpleCOMObject * This,
    /* [in] */ LONG newVal);


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


/* [helpstring][id] */ HRESULT STDMETHODCALLTYPE ISimpleCOMObject_Method01_Proxy( 
    ISimpleCOMObject * This,
    /* [in] */ BSTR strMessage);


void __RPC_STUB ISimpleCOMObject_Method01_Stub(
    IRpcStubBuffer *This,
    IRpcChannelBuffer *_pRpcChannelBuffer,
    PRPC_MESSAGE _pRpcMessage,
    DWORD *_pdwStubPhase);



#endif 	/* __ISimpleCOMObject_INTERFACE_DEFINED__ */



#ifndef __SimpleCOMObjectLib_LIBRARY_DEFINED__
#define __SimpleCOMObjectLib_LIBRARY_DEFINED__

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


EXTERN_C const IID LIBID_SimpleCOMObjectLib;

#ifndef ___ISimpleCOMObjectEvents_DISPINTERFACE_DEFINED__
#define ___ISimpleCOMObjectEvents_DISPINTERFACE_DEFINED__

/* dispinterface _ISimpleCOMObjectEvents */
/* [helpstring][uuid] */ 


EXTERN_C const IID DIID__ISimpleCOMObjectEvents;

#if defined(__cplusplus) && !defined(CINTERFACE)

    MIDL_INTERFACE("164025E5-6837-4556-A234-3B563407AC38")
    _ISimpleCOMObjectEvents : public IDispatch
    {
    };
    
#else 	/* C style interface */

    typedef struct _ISimpleCOMObjectEventsVtbl
    {
        BEGIN_INTERFACE
        
        HRESULT ( STDMETHODCALLTYPE *QueryInterface )( 
            _ISimpleCOMObjectEvents * This,
            /* [in] */ REFIID riid,
            /* [iid_is][out] */ void **ppvObject);
        
        ULONG ( STDMETHODCALLTYPE *AddRef )( 
            _ISimpleCOMObjectEvents * This);
        
        ULONG ( STDMETHODCALLTYPE *Release )( 
            _ISimpleCOMObjectEvents * This);
        
        HRESULT ( STDMETHODCALLTYPE *GetTypeInfoCount )( 
            _ISimpleCOMObjectEvents * This,
            /* [out] */ UINT *pctinfo);
        
        HRESULT ( STDMETHODCALLTYPE *GetTypeInfo )( 
            _ISimpleCOMObjectEvents * This,
            /* [in] */ UINT iTInfo,
            /* [in] */ LCID lcid,
            /* [out] */ ITypeInfo **ppTInfo);
        
        HRESULT ( STDMETHODCALLTYPE *GetIDsOfNames )( 
            _ISimpleCOMObjectEvents * This,
            /* [in] */ REFIID riid,
            /* [size_is][in] */ LPOLESTR *rgszNames,
            /* [in] */ UINT cNames,
            /* [in] */ LCID lcid,
            /* [size_is][out] */ DISPID *rgDispId);
        
        /* [local] */ HRESULT ( STDMETHODCALLTYPE *Invoke )( 
            _ISimpleCOMObjectEvents * This,
            /* [in] */ DISPID dispIdMember,
            /* [in] */ REFIID riid,
            /* [in] */ LCID lcid,
            /* [in] */ WORD wFlags,
            /* [out][in] */ DISPPARAMS *pDispParams,
            /* [out] */ VARIANT *pVarResult,
            /* [out] */ EXCEPINFO *pExcepInfo,
            /* [out] */ UINT *puArgErr);
        
        END_INTERFACE
    } _ISimpleCOMObjectEventsVtbl;

    interface _ISimpleCOMObjectEvents
    {
        CONST_VTBL struct _ISimpleCOMObjectEventsVtbl *lpVtbl;
    };

    

#ifdef COBJMACROS


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

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

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


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

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

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

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

#endif /* COBJMACROS */


#endif 	/* C style interface */


#endif 	/* ___ISimpleCOMObjectEvents_DISPINTERFACE_DEFINED__ */


EXTERN_C const CLSID CLSID_SimpleCOMObject;

#ifdef __cplusplus

class DECLSPEC_UUID("25A6EEC9-6CA0-4B23-9251-7280A8781342")
SimpleCOMObject;
#endif
#endif /* __SimpleCOMObjectLib_LIBRARY_DEFINED__ */

/* Additional Prototypes for ALL interfaces */

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

/* end of Additional Prototypes */

#ifdef __cplusplus
}
#endif

#endif

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Lim Bio Liong
Systems Engineer NEC
Singapore Singapore
Lim Bio Liong is a Specialist at a leading Software House in Singapore.

Bio has been in software development for over 10 years. He specialises in C/C++ programming and Windows software development.

Bio has also done device-driver development and enjoys low-level programming. Bio has recently picked up C# programming and has been researching in this area.

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Posted 2 Jan 2006

Article Copyright 2006 by Lim Bio Liong
Everything else Copyright © CodeProject, 1999-2024

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