查了一下MSDN
你可以关注一下这个结构
The RASDIALPARAMS structure contains parameters that are used by RasDial to establish a remote access connection.
typedef struct _RASDIALPARAMS {
DWORD dwSize;
TCHAR szEntryName[RAS_MaxEntryName + 1];
TCHAR The RASDIALPARAMS structure contains parameters that are used by RasDial to establish a remote access connection.