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x110
08-02-2003, 13:47
volevo connettermi ad internet tramite un mio prog,VB6
ma non tramite le rasapi, poiche' da quello che ho capito :muro:
utilizzano la finestrella di connessione standard
e il mio problema e' che questa non si deve vedere.
in piu' vorrei sapere se al momento in cui io chiedo di connettermi
la connessione va a buon fine o meno.
tra l'altro(come cavolo si scrive??? trallaltro? :confused: :cry: )
se non e' spuntata la voce connetti automaticamente le rasapi
non mi fanno connettere.?????

vorrei anche avere la possibilta' di specificare il n° da chiamare,
password ed username.

se qualcuno sa consigliarmi,,,, grazie mille. ;)

cionci
08-02-2003, 16:39
Mi sa che fare una cosa del genere sia abbastanza difficile...

x110
08-02-2003, 20:33
grazie per il supporto morale,
ma qualche pezzettino di codice,
dal quale poter trarre spunto per qualcosa,
tipo, come posso chiudere una connessione?
so come posso vedere se e' aperta(almeno in teoria) con le rasapi.

grazie.

cionci
09-02-2003, 09:34
Credo che le RasAPI siano l'unica soluzione...
Hai provato con l'API RasDial ?

cionci
09-02-2003, 09:35
'This program let you dial to your dial-up connections using whether
'the stored user name and password or the ones you specifies
'(It use RasDial for dialing)

'You need a form with a list,2 textbox and a command button

Option Explicit
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (pDst As Any, ByVal pSrc As String, ByVal ByteLen As Long)
Private Declare Sub ZeroMemory Lib "kernel32.dll" Alias "RtlZeroMemory" (Destination As Any, ByVal Length As Long)

Const RAS95_MaxEntryName = 256
Const RAS_MaxPhoneNumber = 128
Const RAS_MaxCallbackNumber = RAS_MaxPhoneNumber

Const UNLEN = 256
Const PWLEN = 256
Const DNLEN = 12
Private Type RASDIALPARAMS
dwSize As Long ' 1052
szEntryName(RAS95_MaxEntryName) As Byte
szPhoneNumber(RAS_MaxPhoneNumber) As Byte
szCallbackNumber(RAS_MaxCallbackNumber) As Byte
szUserName(UNLEN) As Byte
szPassword(PWLEN) As Byte
szDomain(DNLEN) As Byte
End Type

Private Type RASENTRYNAME95
'set dwsize to 264
dwSize As Long
szEntryName(RAS95_MaxEntryName) As Byte
End Type

Private Declare Function RasDial Lib "rasapi32.dll" Alias "RasDialA" (ByVal lprasdialextensions As Long, ByVal lpcstr As String, ByRef lprasdialparamsa As RASDIALPARAMS, ByVal dword As Long, lpvoid As Any, ByRef lphrasconn As Long) As Long
Private Declare Function RasEnumEntries Lib "rasapi32.dll" Alias "RasEnumEntriesA" (ByVal reserved As String, ByVal lpszPhonebook As String, lprasentryname As Any, lpcb As Long, lpcEntries As Long) As Long
Private Declare Function RasGetEntryDialParams Lib "rasapi32.dll" Alias "RasGetEntryDialParamsA" (ByVal lpcstr As String, ByRef lprasdialparamsa As RASDIALPARAMS, ByRef lpbool As Long) As Long

Private Function Dial(ByVal Connection As String, ByVal UserName As String, ByVal Password As String) As Boolean
Dim rp As RASDIALPARAMS, h As Long, resp As Long
rp.dwSize = Len(rp) + 6
ChangeBytes Connection, rp.szEntryName
ChangeBytes "", rp.szPhoneNumber 'Phone number stored for the connection
ChangeBytes "*", rp.szCallbackNumber 'Callback number stored for the connection
ChangeBytes UserName, rp.szUserName
ChangeBytes Password, rp.szPassword
ChangeBytes "*", rp.szDomain 'Domain stored for the connection
'Dial
resp = RasDial(ByVal 0, ByVal 0, rp, 0, ByVal 0, h) 'AddressOf RasDialFunc
Dial = (resp = 0)
End Function

Private Function ChangeToStringUni(Bytes() As Byte) As String
'Changes an byte array to a Visual Basic unicode string
Dim temp As String
temp = StrConv(Bytes, vbUnicode)
ChangeToStringUni = Left(temp, InStr(temp, Chr(0)) - 1)
End Function

Private Function ChangeBytes(ByVal str As String, Bytes() As Byte) As Boolean
'Changes a Visual Basic unicode string to an byte array
'Returns True if it truncates str
Dim lenBs As Long 'length of the byte array
Dim lenStr As Long 'length of the string
lenBs = UBound(Bytes) - LBound(Bytes)
lenStr = LenB(StrConv(str, vbFromUnicode))
If lenBs > lenStr Then
CopyMemory Bytes(0), str, lenStr
ZeroMemory Bytes(lenStr), lenBs - lenStr
ElseIf lenBs = lenStr Then
CopyMemory Bytes(0), str, lenStr
Else
CopyMemory Bytes(0), str, lenBs 'Queda truncado
ChangeBytes = True
End If
End Function

Private Sub Command1_Click()
Dial List1.Text, Text1, Text2
End Sub


Private Sub List1_Click()
Dim rdp As RASDIALPARAMS, t As Long
rdp.dwSize = Len(rdp) + 6
ChangeBytes List1.Text, rdp.szEntryName
'Get User name and password for the connection
t = RasGetEntryDialParams(List1.Text, rdp, 0)
If t = 0 Then
Text1 = ChangeToStringUni(rdp.szUserName)
Text2 = ChangeToStringUni(rdp.szPassword)
End If
End Sub

Private Sub Form_Load()
'example created by Daniel Kaufmann (daniel@i.com.uy)
'load the connections
Text2.PasswordChar = "*"
Command1.Caption = "Dial"
Dim s As Long, l As Long, ln As Long, a$
ReDim r(255) As RASENTRYNAME95

r(0).dwSize = 264
s = 256 * r(0).dwSize
l = RasEnumEntries(vbNullString, vbNullString, r(0), s, ln)
For l = 0 To ln - 1
a$ = StrConv(r(l).szEntryName(), vbUnicode)
List1.AddItem Left$(a$, InStr(a$, Chr$(0)) - 1)
Next
If List1.ListCount > 0 Then
List1.ListIndex = 0
List1_Click
End If
End Sub

x110
13-02-2003, 15:17
grazie mille
ho anche trovato un tutorial sulle rasapi che permette di creare nuove connessioni settarne le varie opzioni i dns,e tutto cio' che puo' esserci nella connessione, :sofico: almeno credo, eccetto le funzioni per modificare i parametri per collegarsi tramite un proxy server??? :muro:

queste le devo propio trovare, su tu per caso :rolleyes: ne sapessi qualcosa, ti prego di replicarmi ;) cio e grazie :D