MODULE.CPP
资源名称:MSDN_VC98.zip [点击查看]
上传用户:bangxh
上传日期:2007-01-31
资源大小:42235k
文件大小:4k
源码类别:
Windows编程
开发平台:
Visual C++
- /*************************************************************************
- **
- ** This is a part of the Microsoft Source Code Samples.
- **
- ** Copyright (C) 1992-1997 Microsoft Corporation. All rights reserved.
- **
- ** This source code is only intended as a supplement to Microsoft Development
- ** Tools and/or WinHelp documentation. See these sources for detailed
- ** information regarding the Microsoft samples programs.
- **
- ** OLE Automation TypeLibrary Browse Helper Sample
- **
- ** module.cpp
- **
- ** CModule implementation
- **
- ** Written by Microsoft Product Support Services, Windows Developer Support
- **
- *************************************************************************/
- #include <windows.h>
- #include <windowsx.h>
- #ifdef WIN16
- #include <ole2.h>
- #include <compobj.h>
- #include <dispatch.h>
- #include <variant.h>
- #include <olenls.h>
- #endif
- #include "browseh.h"
- /*
- * CModule::Create
- *
- * Purpose:
- * Creates an instance of the Module automation object and initializes it.
- *
- * Parameters:
- * ptinfo TypeInfo of module.
- * ppModule Returns Module automation object.
- *
- * Return Value:
- * HRESULT
- *
- */
- HRESULT
- CModule::Create(LPTYPEINFO ptinfo, CModule FAR* FAR* ppModule)
- {
- HRESULT hr;
- CModule FAR* pModule = NULL;
- *ppModule = NULL;
- // Create object.
- pModule = new CModule();
- if (pModule == NULL)
- {
- hr = E_OUTOFMEMORY;
- goto error;
- }
- // Load type information for the object from type library.
- hr = pModule->LoadTypeInfo(IID_IModule);
- if (FAILED(hr))
- goto error;
- // Intialize base class, CTypeInfo
- hr = pModule->_InitTypeInfo(ptinfo);
- if (FAILED(hr))
- goto error;
- ptinfo->AddRef();
- pModule->m_ptinfo = ptinfo;
- #ifdef _DEBUG
- lstrcpyn(pModule->m_szClassName, TEXT("Module"), 100);
- #endif
- *ppModule = pModule;
- return NOERROR;
- error:
- if (pModule == NULL) return E_OUTOFMEMORY;
- if (pModule->m_ptinfo) pModule->m_ptinfo->Release();
- // Set to NULL to prevent destructor from attempting to free again
- pModule->m_ptinfo = NULL;
- delete pModule;
- return hr;
- }
- /*
- * CModule::CModule
- *
- * Purpose:
- * Constructor for CModule object. Initializes members to NULL.
- *
- */
- CModule::CModule()
- {
- m_pdispFunctions = NULL;
- m_ptinfo = NULL;
- }
- /*
- * CModule::~CModule
- *
- * Purpose:
- * Destructor for CModule object.
- *
- */
- CModule::~CModule()
- {
- if (m_pdispFunctions) m_pdispFunctions->Release();
- if (m_ptinfo) m_ptinfo->Release();
- }
- STDMETHODIMP_(REFCLSID)
- CModule::GetInterfaceID()
- {
- return IID_IModule;
- }
- STDMETHODIMP_(ICollection FAR*)
- CModule::get_Functions()
- {
- HRESULT hr;
- CFunction FAR* pFunction;
- CCollection FAR* pCollection = NULL;
- LPDISPATCH pdisp;
- LPTYPEATTR ptypeattr = NULL;
- unsigned short n;
- if (m_pdispFunctions == NULL)
- {
- // Create collection of functions of the interface.
- hr = m_ptinfo->GetTypeAttr(&ptypeattr);
- if (FAILED(hr))
- {RaiseException(IDS_Unexpected); return NULL;}
- hr = CCollection::Create(ptypeattr->cFuncs, 0, &pCollection);
- if (FAILED(hr))
- {RaiseException(IDS_Unexpected); goto error;}
- for (n=0; n<ptypeattr->cFuncs; n++)
- {
- hr = CFunction::Create(m_ptinfo, n, &pFunction);
- if (FAILED(hr))
- {RaiseException(IDS_Unexpected); goto error;}
- pFunction->QueryInterface(IID_IDispatch, (void FAR* FAR*)&pdisp);
- pCollection->Add(pdisp);
- pdisp->Release();
- }
- pCollection->QueryInterface(IID_IDispatch, (void FAR* FAR*)&pdisp);
- m_pdispFunctions = pdisp;
- m_ptinfo->ReleaseTypeAttr(ptypeattr);
- }
- m_pdispFunctions->AddRef();
- return (ICollection FAR*)m_pdispFunctions;
- error:
- if (ptypeattr) m_ptinfo->ReleaseTypeAttr(ptypeattr);
- if (pCollection) delete pCollection;
- return NULL;
- }