c# 创建vpn 有谁做过?~~ ~~~
以下是我找到的一段vb 代码 本人没有学过vb 没有办法 不会把他转换过来
Private Declare Sub CopyMemory Lib "kernel32 " Alias "RtlMoveMemory " (Destination As Any, Source As Any,

ByVal Length As Long)

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

Private Type RASCREDENTIALS
dwSize As Long
dwMask As Long
szUserName(256) As Byte
szPassword(256) As Byte
szDomain(15) As Byte
End Type

Private Declare Function RasSetEntryProperties Lib "rasapi32 " Alias "RasSetEntryPropertiesA " (ByVal

lpszPhonebook As String, ByVal lpszEntry As String, lpRasEntry As RASENTRY, ByVal dwEntryInfoSize As

Long, ByVal lpbDeviceInfo As Long, ByVal dwDeviceInfoSize As Long) As Long
Private Declare Function RasSetCredentials Lib "rasapi32 " Alias "RasSetCredentialsA " (ByVal

lpszPhonebook As String, ByVal lpszEntry As String, lpCredentials As RASCREDENTIALS, ByVal

fClearCredentials As Long) As Long

Private Sub Command1_Click()
Dim sEntryName As String, sUsername As String, sPassword As String

sEntryName = "宽带连接 "
sUsername = "super "
sPassword = "greenbean "

If Create_PPPoE_Connection( "VPN ", sEntryName, sUsername, sPassword) Then
MsgBox "连接建立成功！ "
Else
MsgBox "连接建立失败！ "
End If
End Sub

Function Create_PPPoE_Connection(ByVal sDeviceType As String, ByVal sEntryName As String, ByVal

sUsername As String, ByVal sPassword As String) As Boolean
Create_PPPoE_Connection = False

Dim re As RASENTRY
Dim sDeviceName As String ', sDeviceType As String
sDeviceName = "WAN 微型端口 (PPTP) "
' sDeviceType = "PPPoE "
' sDeviceType = "PPTP "

With re
.dwSize = LenB(re)
.dwCountryCode = 86
.dwCountryID = 86
.dwDialExtraPercent = 75
.dwDialExtraSampleSeconds = 120
.dwDialMode = 1
.dwEncryptionType = 3
.dwfNetProtocols = 4
.dwfOptions = 1024262928
.dwfOptions2 = 367
.dwFramingProtocol = 1
.dwHangUpExtraPercent = 10
.dwHangUpExtraSampleSeconds = 120
.dwRedialCount = 3
.dwRedialPause = 60
.dwType = 5
'3 直连
'4 管理
'5 宽带
'7 普通

CopyMemory .szDeviceName(0), ByVal sDeviceName, Len(sDeviceName)
CopyMemory .szDeviceType(0), ByVal sDeviceType, Len(sDeviceType)
End With

Dim rc As RASCREDENTIALS
With rc
.dwSize = LenB(rc)
.dwMask = 11
CopyMemory .szUserName(0), ByVal sUsername, Len(sUsername)
CopyMemory .szPassword(0), ByVal sPassword, Len(sPassword)
End With

Dim rtn As Long
If RasSetEntryProperties(vbNullString, sEntryName, re, LenB(re), 0, 0) = 0 Then
If RasSetCredentials(vbNullString, sEntryName, rc, 0) = 0 Then
Create_PPPoE_Connection = True
End If
End If
End Function


那位大哥大姐 帮帮忙

[解决办法]
这是VB调用API函数，不好转吧，直接找一段C#的代码给好一些吧
[解决办法]
关注
[解决办法]
关注中
[解决办法]
这么多api 内存操作,就是翻译过来也不一定能用

等ms推出.net版的,就好办了
[解决办法]
帮顶了！