notes c api

这是代码：

环境：bookmark.ntf 已经放在了C:/Program Files/lotus/notes/data目录下.
初始化函数报错：unhandled exception in NLSCCSTR.DLL 0xc0000005

#include <iostream.h>
#include <lncppapi.h>

#define ERR_BUF_SIZE 512

int main(int argc,char* argv[])
{
const char * DbFilename="bookmark.ntf";
const char * DbServer;

LNNotesSession Session;
LNDatabase Db;
LNString DbTitle;
/*
// Check the command line.
if (argc < 2 || argc > 3)
{
cout << "/nUsage:/n/t" << argv[0] << " <filename> [<server>] /n" << endl;
return (1);
}

// Get info from command line.
DbFilename = argv[1];

if (argc == 3)
DbServer = argv[2];
*/
// Make the error handler throw all errors encountered during execution.
LNSetThrowAllErrors(TRUE);

try
{
// Initialize the C++ API
Session.Init();  


// Get the specified database.
Session.GetDatabase(DbFilename, &Db);

// Open sesame.
Db.Open();

// Get the database's title.
DbTitle = Db.GetTitle();

// Display it.
cout << "The database title is: " << DbTitle << endl;
}

// Error handler. If an error occurred, get the text of
// the error message and display it.
catch (LNSTATUS Lnerror)
{
char ErrorBuf[ERR_BUF_SIZE];
LNGetErrorMessage(Lnerror, ErrorBuf, ERR_BUF_SIZE);
cout << "Error: " << ErrorBuf << endl;
}

// Close sesame.
Db.Close();

// Terminate the API.
Session.Term();

// Ciao, baby!
return (0);
}