按VB的解释，应该LEN求的是字符数，LENB求的是字节数
可是我用LEN求RASENTRY结构的长度，是2879，
而用LENB求RASENTRY的结构长度，确实2884，
搞不懂啊，在这种情况不是应该都是2879吗？
按微软的说法，用RasGetEntryProperties求出来的RASENTRY的结构正确长度应该是2884，
谁能告诉我，为什么在VB里面，用LEN和LENB求出来的长度差了5个字节？？
Private Type GUID
Data1 As Long
Data2 As Integer
Data3 As Integer
Data4(7) As Byte
End Type
Private Type RASIPADDR
a As Byte
b As Byte
c As Byte
d As Byte
End Type
Private Type RASENTRY
dwSize As Long
dwfOptions As Long
dwCountryID As Long
dwCountryCode As Long
szAreaCode(10) As Byte
szLocalPhoneNumber(128) As Byte
dwAlternateOffset As Long
ipaddr As RASIPADDR
ipaddrDns As RASIPADDR
ipaddrDnsAlt As RASIPADDR
ipaddrWins As RASIPADDR
ipaddrWinsAlt As RASIPADDR
dwFrameSize As Long
dwfNetProtocols As Long
dwFramingProtocol As Long
szScript(259) As Byte
szAutodialDll(259) As Byte
szAutodialFunc(259) As Byte
szDeviceType(16) As Byte
szDeviceName(128) As Byte
szX25PadType(32) As Byte
szX25Address(200) As Byte
szX25Facilities(200) As Byte
szX25UserData(200) As Byte
dwChannels As Long
dwReserved1 As Long
dwReserved2 As Long
dwSubEntries As Long
dwDialMode As Long
dwDialExtraPercent As Long
dwDialExtraSampleSeconds As Long
dwHangUpExtraPercent As Long
dwHangUpExtraSampleSeconds As Long
dwIdleDisconnectSeconds As Long
dwType As Long
dwEncryptionType As Long
dwCustomAuthKey As Long
guidId As GUID
szCustomDialDll(259) As Byte
dwVpnStrategy As Long
dwfOptions2 As Long
dwfOptions3 As Long
szDnsSuffix(255) As Byte
dwTcpWindowSize As Long
szPrerequisitePbk(259) As Byte
szPrerequisiteEntry(256) As Byte
dwRedialCount As Long
dwRedialPause As Long
End Type
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