database.h

基于OLE的SQL CE数据库的C++操作类

#ifndef _DATABASE_H_
#define _DATABASE_H_
class Database
{
public:
	//全局变量
	TCHAR	g_TTSInfo[1024]; // 存放TTS信息
	TCHAR	szBuffer[1024];//存放执行sql的字符串.
	IDBInitialize		*pIDBInitialize;
	IUnknown			*pIUnknownSession;

	IDBCreateSession	*pIDBCreateSession;
	IDBProperties		*pIDBProperties;

	// SQL query command text handle object
	IDBCreateCommand	*pIDBCrtCmd;
	ICommandText		*pICmdText;
	ITransactionLocal	*pITxnLocal;
	IRowset				*pIRowset;
	//函数

	HRESULT							CreateSqlSvrCeProvider (void);
	HRESULT							ConnectDB (LPTSTR);
	VOID							GetLocation(TCHAR *);
	HRESULT							GetRowset(LPTSTR);
	HRESULT							CreateDBSession (void);//创建会话
	HRESULT							DisconnectDB ();
	HRESULT ProcessRowset			(IRowset *pRowset);

	Database();
};
#endif