Finally, let us analyze C: /VCTestVcCCCCCCAJ/debug/validatecreditcardServer.TLH as the end of Developing CoM Components Using VC-ATL (3).
ValidatecreditCardServer.tlh list
// Created by Microsoft (R) C / C Compiler Version 12.00.8168.0 (AD98F509).
//
// c: /vctestvcc.comproj/debug/validatecreditcardServer.tlh
//
// C Source Equivalent of Win32 Type Library ../validatecreditcardServer/debug/validatecreditcardServer.dll
// compiler-generated file created
12/19/03
AT
03:29:03
- Do Not Edit!
#pragma overce
#pragma Pack (Push, 8)
#include
Namespace ValidatecreditcardServerLib {...................................... ......... namespace
//
// forward references and typedefs
//
Struct / * coclass * / validatecard; ........................................................................................ .. ... .. Component Class
Struct __Declspec (UUID ("B1D1C73C-E340-4FDC-8734-92ECEC64DC4E"))
/ * dual interface * / ivalidatecard; .................................................................................................
//
// Smart Pointer Typedef Declarations
//
_COM_SMARTPTR_TYPEDEF (ivalidatecard, __UUIDOF (ivalidatecard); .......... ......... smart pointer
//
// Type Library Items
//
Struct __declspec (UUID ("C79635D2-7B86-4B20-A83C-0565DCA54C3C")) ...............................................................................................
Validatecard;
// [Default] Interface IvalIdateCard
Struct __declspec (UUID ("B1D1C73C-E340-4FDC-8734-92ecec64DC4E")) ..................... User interface IID
Ivalidatecard: idispatch
{
//
// wrapper methods for error-handling
//
Long Validatecreditcard
_BSTR_T BSTRCCNO,
_BSTR_T BSTRCCTYPE);
HRESULT Luhncheck
_BSTR_T BSTRCCNO,
_BSTR_T BSTRCCTYPE);
HRESULT Lengthcheck
_BSTR_T BSTRCCNO,
_BSTR_T BSTRCCTYPE);
HRESULT Prefixcheck
_BSTR_T BSTRCCNO,
_BSTR_T BSTRCCTYPE); .....................................................................................................................
//
// raw methods provided by interface
//
Virtual HRESULT __STDCALL RAW_VALIDATECREDITCARD (
BSTR BSTRCCNO,
BSTR BSTRCCTYPE, LONG * VAL) = 0;
Virtual HRESULT __STDCALL RAW_LUHNCHECK
BSTR BSTRCCNO,
BSTR BSTRCCTYPE) = 0;
Virtual HRESULT __STDCALL RAW_LENGTHCHECK
BSTR BSTRCCNO,
BSTR BSTRCCTYPE) = 0;
Virtual HRESULT __STDCALL RAW_PREFIXCHECK
BSTR BSTRCCNO,
BSTR BSTRCCTYPE) = 0; .......................................................................................................
}
//
// Wrapper Method IMPLEMENTATIONS
//
#include "c: /vctestvccomproj/debug/validatecreditcardserver.tli" ............ .. Type library implementation file
} // Namespace ValidatecreditcardServerLib ................................ ....................
#pragma pack (POP)
Refer to COM component C: /ValidatecreditcardServer/ValidatecreditcardServer.IDL
ValidatecreditCardServer.IDL list
// validatecreditcardser.idl: idl source for validatecreditcardServer.dll
//
// this file will be processed by the Mid Tool To
// produted the Type Library (ValidatecreditcardServer.tlb) and Marshalling Code.
Import "OAIDL.IDL";
Import "OCIDL.IDL";
[
Object,
UUID (B1D1C73C-E340-4FDC-8734-92ecec64DC4E), ...........................................
Dual,
Helpstring ("iValidateCard Interface",
Pointer_DEFAULT (UNIQUE)
]
Interface ivalidatecard: idispatch
{
[ID (1), Helpstring ("Method Validatecreditcard")] HRESULT VALIDATECREDITCARD ([in] BSTR BSTRCCNO, [IN] BSTR BSTRCCTYPE, [OUT, RETVAL] long * VAL);
[ID (2), Helpstring ("Method Luhncheck")] HRESULT Luhncheck ([in] BSTR BSTRCCNO, [IN] BSTR BSTRCCTYPE);
[ID (3), Helpstring ("Method Lengthcheck")] HRESULT Lengthcheck ([in] BSTR BSTRCCNO, [IN] BSTR BSTRCCTYPE);
[ID (4), Helpstring ("Method PrefixCheck")] HRESULT Prefixcheck ([in] BSTR BSTRCCNO, [IN] BSTR BSTRCCTYPE);
}
[
UUID (B3404054-C33E-4931-B737-5783CEEFECDB), ................................. il part
Version (1.0),
Helpstring ("ValidatecreditcardServer 1.0 Type Library)]]
Library ValidatecreditcardServerLib
{
Importlib ("stdole32.tlb");
Importlib ("stdole2.tlb");
[
UUID (C79635D2-7B86-4B20-A83C-0565DCA54C3C), .......................... CLSID section
Helpstring ("ValidateCard Class")
]
CoClass ValidateCard
{
[Default] interface ivalidatecard;
}
}
summary:
Developing CoM Components Using VC-ATL (3) mainly describes the intermienary calls of the components written in Visual C and Visual Basic. The two interfaces will be introduced in one of the next one.
Developing COM Components Using VC-ATL (3)
Author Blog:
http://blog.9cbs.net/callzjy/
