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Understanding Classic COM Interoperability With .NET Applications

, 24 Jul 2001
Discusses how existing COM components can be used from managed code.
cominteropwithdotnetdemo.zip
COMInteropWithDOTNET
COMInteropWithDOTNETDemo
AirlineNotifyMetadata.dll
AirlineMetadata.dll
SevenDwarfs.exe
IceCreamMenuClient.exe
HelloWorldDelegate.exe
FlightClient.exe
DelegateTest.exe
AirlineNotifyClient.exe
WeatherNotify.dll
AirlineInformation.dll
AirlineNotify.exe
IceCreamParlor.dll
MyFlyer.dll
NETThreadDemoClient.exe
ControlTower.exe
VBIceCreamProject.dll
VBTestClient.exe
VBWeatherStation.exe
AirlineClient.exe
Temperature.dll
MyFlyerMetadata.dll
IceCreamMenuMetadata.dll
HelloDotNet.dll
Directional.dll
cominteropwithdotnetsource.zip
COMInteropWithDOTNETSource
DOTNET-CSharpFiles
MyKeyPair.snk
AirlineInformation.tlb
IceCreamParlor.tlb
AirlineNotify.tlb
MyFlyer.tlb
ClassicCOM
AirlineNotify
AirlineNotifyps.def
AirlineNotifyps.mk
AirlineNotify.rgs
AirlineNotify.dsw
AirlineArrivalPager.rgs
AirlineNotify.aps
AirlineNotify.dsp
AirlineNotify.suo
AirlineNotify.tlb
AirlineNotify.opt
AirlineInformation
AirlineInfo.rgs
AirlineInformation.aps
AirlineInformation.def
AirlineInformationps.def
AirlineInformationps.mk
AirlineInformation.dsp
AirlineInformation.dsw
AirlineInformation.tlb
AirlineInformation.opt
VBIceCreamParlor
IceCreamMenu.cls
stdole.dll
VBIceCreamProject.vbw
VBIceCreamProject.lib
VBIceCreamProject.exp
VBIceCreamProject.vbp
VBAirlineControlTower
MainForm.frm
ControlTower.vbw
ControlTower.vbp
IceCreamParlor
IceCreamMenu.rgs
IceCreamParlor.def
IceCreamParlor.aps
IceCreamParlorps.def
IceCreamParlorps.mk
IceCreamParlor.dsp
IceCreamParlor.dsw
IceCreamParlor.tlb
IceCreamParlor.opt
MyFlyer
MyFlyer.dsp
MyFlyer.def
MyFlyerps.def
MyFlyerps.mk
MyFlyer.dsw
Flyer.rgs
MyFlyer.aps
MyFlyer.tlb
MyFlyer.opt
VBTestClient
VBTestClient.vbp
FormMain.frm
VBTestClient.vbw
VBWeatherStation
VBWeatherStation.vbw
VBWeatherStationForm.frm
VBWeatherStation.vbp
NETThreadDemoClient
NETThreadDemoClient.opt
NETThreadDemoClient.dsp
NETThreadDemoClient.dsw
HelloDotNet.tlb
cominterop_demo.zip
ComInteropDemo
AirlineCSharpClient
AirlineInformation
AirlineInformation.opt
AirlineInfo.rgs
AirlineInformation.aps
AirlineInformation.tlb
AirlineInformation.def
AirlineInformationps.def
AirlineInformationps.mk
AirlineInformation.dsp
AirlineInformation.dsw
/* this ALWAYS GENERATED file contains the definitions for the interfaces */


/* File created by MIDL compiler version 5.01.0164 */
/* at Tue Jul 24 10:09:24 2001
 */
/* Compiler settings for E:\COMInteropWithDOTNET\COMInteropWithDOTNETSource\ClassicCOM\MyFlyer\MyFlyer.idl:
    Oicf (OptLev=i2), W1, Zp8, env=Win32, ms_ext, c_ext
    error checks: allocation ref bounds_check enum stub_data 
*/
//@@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 __MyFlyer_h__
#define __MyFlyer_h__

#ifdef __cplusplus
extern "C"{
#endif 

/* Forward Declarations */ 

#ifndef __IFlyer_FWD_DEFINED__
#define __IFlyer_FWD_DEFINED__
typedef interface IFlyer IFlyer;
#endif 	/* __IFlyer_FWD_DEFINED__ */


#ifndef __Flyer_FWD_DEFINED__
#define __Flyer_FWD_DEFINED__

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

#endif 	/* __Flyer_FWD_DEFINED__ */


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

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

#ifndef __IFlyer_INTERFACE_DEFINED__
#define __IFlyer_INTERFACE_DEFINED__

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


EXTERN_C const IID IID_IFlyer;

#if defined(__cplusplus) && !defined(CINTERFACE)
    
    MIDL_INTERFACE("47E55C34-512E-4553-9E0F-0D201A126DE3")
    IFlyer : public IDispatch
    {
    public:
        virtual /* [helpstring][id] */ HRESULT STDMETHODCALLTYPE TakeOff( 
            /* [retval][out] */ BSTR __RPC_FAR *bstrTakeOffStatus) = 0;
        
        virtual /* [helpstring][id] */ HRESULT STDMETHODCALLTYPE Fly( 
            /* [retval][out] */ BSTR __RPC_FAR *bstrFlyStatus) = 0;
        
    };
    
#else 	/* C style interface */

    typedef struct IFlyerVtbl
    {
        BEGIN_INTERFACE
        
        HRESULT ( STDMETHODCALLTYPE __RPC_FAR *QueryInterface )( 
            IFlyer __RPC_FAR * This,
            /* [in] */ REFIID riid,
            /* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject);
        
        ULONG ( STDMETHODCALLTYPE __RPC_FAR *AddRef )( 
            IFlyer __RPC_FAR * This);
        
        ULONG ( STDMETHODCALLTYPE __RPC_FAR *Release )( 
            IFlyer __RPC_FAR * This);
        
        HRESULT ( STDMETHODCALLTYPE __RPC_FAR *GetTypeInfoCount )( 
            IFlyer __RPC_FAR * This,
            /* [out] */ UINT __RPC_FAR *pctinfo);
        
        HRESULT ( STDMETHODCALLTYPE __RPC_FAR *GetTypeInfo )( 
            IFlyer __RPC_FAR * This,
            /* [in] */ UINT iTInfo,
            /* [in] */ LCID lcid,
            /* [out] */ ITypeInfo __RPC_FAR *__RPC_FAR *ppTInfo);
        
        HRESULT ( STDMETHODCALLTYPE __RPC_FAR *GetIDsOfNames )( 
            IFlyer __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 )( 
            IFlyer __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 *TakeOff )( 
            IFlyer __RPC_FAR * This,
            /* [retval][out] */ BSTR __RPC_FAR *bstrTakeOffStatus);
        
        /* [helpstring][id] */ HRESULT ( STDMETHODCALLTYPE __RPC_FAR *Fly )( 
            IFlyer __RPC_FAR * This,
            /* [retval][out] */ BSTR __RPC_FAR *bstrFlyStatus);
        
        END_INTERFACE
    } IFlyerVtbl;

    interface IFlyer
    {
        CONST_VTBL struct IFlyerVtbl __RPC_FAR *lpVtbl;
    };

    

#ifdef COBJMACROS


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

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

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


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

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

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

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


#define IFlyer_TakeOff(This,bstrTakeOffStatus)	\
    (This)->lpVtbl -> TakeOff(This,bstrTakeOffStatus)

#define IFlyer_Fly(This,bstrFlyStatus)	\
    (This)->lpVtbl -> Fly(This,bstrFlyStatus)

#endif /* COBJMACROS */


#endif 	/* C style interface */



/* [helpstring][id] */ HRESULT STDMETHODCALLTYPE IFlyer_TakeOff_Proxy( 
    IFlyer __RPC_FAR * This,
    /* [retval][out] */ BSTR __RPC_FAR *bstrTakeOffStatus);


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


/* [helpstring][id] */ HRESULT STDMETHODCALLTYPE IFlyer_Fly_Proxy( 
    IFlyer __RPC_FAR * This,
    /* [retval][out] */ BSTR __RPC_FAR *bstrFlyStatus);


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



#endif 	/* __IFlyer_INTERFACE_DEFINED__ */



#ifndef __MYFLYERLib_LIBRARY_DEFINED__
#define __MYFLYERLib_LIBRARY_DEFINED__

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


EXTERN_C const IID LIBID_MYFLYERLib;

EXTERN_C const CLSID CLSID_Flyer;

#ifdef __cplusplus

class DECLSPEC_UUID("D987239D-A1C9-4FAA-99DF-2192DC10DFA6")
Flyer;
#endif
#endif /* __MYFLYERLib_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

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Aravind C

India India
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