大家帮我看一下以下代码错在哪里?

[vcmfc]

CPrintDialog prn(FALSE);
prn.GetDefaults();
HANDLE pn;
CString m_drivername,m_devicename;
DEVMODE *print;
m_drivername=prn.GetDriverName();
m_devicename=prn.GetDeviceName();
LPTSTR lp=m_devicename.GetBuffer(m_devicename.GetLength());
LPTSTR lp1=m_drivername.GetBuffer(m_drivername.GetLength());
print=new DEVMODE;
::ZeroMemory(print,sizeof(DEVMODE));
::OpenPrinter(lp1,&pn,NULL);
::DocumentProperties(m_hWnd,pn,lp,print,NULL,DM_OUT_BUFFER);
print->dmFields=DM_PAPERSIZE|DM_ORIENTATION;
print->dmPaperSize=DMPAPER_LETTER;
print->dmOrientation=2;
::DocumentProperties(m_hWnd,pn,lp,NULL,print,DM_IN_BUFFER|DM_OUT_BUFFER);
::ClosePrinter(pn);
m_devicename.ReleaseBuffer();
m_drivername.ReleaseBuffer();
delete print;//该处出错, why?

[erehw]

错在:print = new ...这一句（这是最大的错误码，还有此外一些小错）
原因则请详参MSN的DocumentProperties的Notes。因为DEVMODE会随设备的不同而大小不同下面有一段小程序,请参考。
CPrintDialog prn(FALSE);
prn.GetDefaults();
HANDLE pn;
CString m_devicename;
DEVMODE *print;
m_devicename=prn.GetDeviceName();
BOOL bOk=::OpenPrinter((LPTSTR)(LPCTSTR)m_devicename,&pn,NULL);
if(!bOk)
{
LPVOID lpMsgBuf;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR) &lpMsgBuf,
0,
NULL
);
// Process any inserts in lpMsgBuf.
// ...
// Display the string.
::MessageBox( NULL, (LPTSTR)(LPCTSTR)lpMsgBuf, "Error", MB_OK | MB_ICONINFORMATION );
// Free the buffer.
LocalFree( lpMsgBuf );

return ;

}
int nSize =DocumentProperties (m_hWnd,pn,(LPTSTR)(LPCTSTR)m_devicename,NULL,NULL,0);
print = (DEVMODE *) malloc(nSize+1);
if(NULL == print) return ;
ZeroMemory(print,nSize+1);
LONG lt=::DocumentProperties(m_hWnd,pn,(LPTSTR)(LPCTSTR)m_devicename,print,NULL,DM_OUT_BUFFER);
print->dmFields=DM_PAPERSIZE|DM_ORIENTATION;
print->dmPaperSize=DMPAPER_LETTER;
print->dmOrientation=2;
lt=::DocumentProperties(m_hWnd,pn,(LPTSTR)(LPCTSTR)m_devicename,NULL,print,DM_IN_BUFFER|DM_OUT_BUFFER);
bOk=::ClosePrinter(pn);
if(!bOk)
{//error please check as above
free(print);
return ;

}

free(print);

[vcmfc]

Thank you