oledbtextproviderds.h

vc++6.0数据库编程大全一书得各个章节得源码,比较详细.可以仔细参照学习!

// OLEDBTextProviderDS.h : Declaration of the COLEDBTextProviderSource
#ifndef __COLEDBTextProviderSource_H_
#define __COLEDBTextProviderSource_H_
#include "resource.h"       // main symbols
#include "OLEDBTextProviderRS.h"
/////////////////////////////////////////////////////////////////////////////
// CDataSource
class ATL_NO_VTABLE COLEDBTextProviderSource : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CComCoClass<COLEDBTextProviderSource, &CLSID_OLEDBTextProvider>,
	public IDBCreateSessionImpl<COLEDBTextProviderSource, COLEDBTextProviderSession>,
	public IDBInitializeImpl<COLEDBTextProviderSource>,
	public IDBPropertiesImpl<COLEDBTextProviderSource>,
	public IPersistImpl<COLEDBTextProviderSource>,
	public IInternalConnectionImpl<COLEDBTextProviderSource>
{
public:
	HRESULT FinalConstruct()
	{
		return FInit();
	}
DECLARE_REGISTRY_RESOURCEID(IDR_OLEDBTEXTPROVIDER)
BEGIN_PROPSET_MAP(COLEDBTextProviderSource)
	BEGIN_PROPERTY_SET(DBPROPSET_DATASOURCEINFO)
		PROPERTY_INFO_ENTRY(ACTIVESESSIONS)
		PROPERTY_INFO_ENTRY(DATASOURCEREADONLY)
		PROPERTY_INFO_ENTRY(BYREFACCESSORS)
		PROPERTY_INFO_ENTRY(OUTPUTPARAMETERAVAILABILITY)
		PROPERTY_INFO_ENTRY(PROVIDEROLEDBVER)
		PROPERTY_INFO_ENTRY(DSOTHREADMODEL)
		PROPERTY_INFO_ENTRY(SUPPORTEDTXNISOLEVELS)
		PROPERTY_INFO_ENTRY(USERNAME)
	END_PROPERTY_SET(DBPROPSET_DATASOURCEINFO)
	BEGIN_PROPERTY_SET(DBPROPSET_DBINIT)
		PROPERTY_INFO_ENTRY(AUTH_PASSWORD)
		PROPERTY_INFO_ENTRY(AUTH_PERSIST_SENSITIVE_AUTHINFO)
		PROPERTY_INFO_ENTRY(AUTH_USERID)
		PROPERTY_INFO_ENTRY(INIT_DATASOURCE)
		PROPERTY_INFO_ENTRY(INIT_HWND)
		PROPERTY_INFO_ENTRY(INIT_LCID)
		PROPERTY_INFO_ENTRY(INIT_LOCATION)
		PROPERTY_INFO_ENTRY(INIT_MODE)
		PROPERTY_INFO_ENTRY(INIT_PROMPT)
		PROPERTY_INFO_ENTRY(INIT_PROVIDERSTRING)
		PROPERTY_INFO_ENTRY(INIT_TIMEOUT)
	END_PROPERTY_SET(DBPROPSET_DBINIT)
	CHAIN_PROPERTY_SET(COLEDBTextProviderCommand)
END_PROPSET_MAP()
BEGIN_COM_MAP(COLEDBTextProviderSource)
	COM_INTERFACE_ENTRY(IDBCreateSession)
	COM_INTERFACE_ENTRY(IDBInitialize)
	COM_INTERFACE_ENTRY(IDBProperties)
	COM_INTERFACE_ENTRY(IPersist)
	COM_INTERFACE_ENTRY(IInternalConnection)
END_COM_MAP()
public:
};
#endif //__COLEDBTextProviderSource_H_