Wie funktioniert die API-Funktion RasDialA bzw. was mach ich falsch (Delphi 2.0)?

[Franz Herger]

<PRE>
unit RASMAIN;

interface

uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, RAS;

type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private-Deklarationen }
public
{ Public-Deklarationen }
end;

var
Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
var
RasDialExt : PRasDialExtensions;
RasDialPara : PRasDialParams;
lpszPhoneBook : PAnsiChar;
lpszRasDialParams : PRasDialParams;
dwNotifierType : DWORD;
lpvNotifier : Pointer;
FHConn : HRasConn;
Telefonbuch : packed Array[0..128] of AnsiChar;
Result : Integer;

begin
RasDialExt.dwSize := sizeOf(TRasDialExtensions);
RasDialExt.dwfOptions := DWORD(NIL);
RasDialExt.hwnd := DWORD(NIL);
RasDialExt.Reserved := DWORD(NIL);
Telefonbuch := 'C:\WINNT\SYSTEM32\RAS\rasphone.pbk';
RasDIalPara.dwSize := sizeOf(RasDIalPara);
RasDIalPara.szEntryName := 'MobilCom';
RasDIalPara.szPhoneNumber := '';
RasDIalPara.szCallBackNumber := '';
RasDIalPara.szUserName := '';
RasDIalPara.szPassWord := '';
RasDIalPara.szDomain := '';

Result := TRasDial(NIL, @Telefonbuch, @RasDIalPara, INTEGER(NIL), Pointer(NIL), FHConn);
ShowMessage(intToStr(Result));
end;

end.

unit RAS;

interface

uses Windows, SysUtils, Classes, Registry, WinSock, WinInet;

const
cERROR_BUFFER_TOO_SMALL = 603;
cRAS_MAXENTRYNAME = 256;
cRAS_MAXDEVICENAME = 128;
cRAS_MAXDEVICETYP = 16;
cRAS_MAXPHONENUMBER = 128;
cRAS_MAXCALLBACKNUMBER = 128;
UnLen = 128;
PwLen = 128;
DnLen = 128;

type
eRAS_Error = class(Exception);
HRasConn = THandle;

PRasDialParams = ^TRasDialParams;
TRasDialParams = Record
dwSize : DWORD;
szEntryName : packed Array[0..cRAS_MAXENTRYNAME] of AnsiChar;
szPhoneNumber : packed Array[0..cRAS_MAXPHONENUMBER] of AnsiChar;
szCallBackNumber : packed Array[0..cRAS_MAXCALLBACKNUMBER] of AnsiChar;
szUserName : packed Array[0..UnLen] of AnsiChar;
szPassWord : packed Array[0..PwLen] of AnsiChar;
szDomain : packed Array[0..DnLen] of AnsiChar;
end;
PRasDialExtensions = ^TRasDialExtensions;
TRasDialExtensions = Record
dwSize : DWORD;
dwfOptions : DWORD;
hwnd : THandle;
Reserved : DWORD;
end;

function TRasDial(lpRasDialExtension : PRasDialExtensions;
lpszPhoneBook : PAnsiChar;
lpszRasDialParams : PRasDialParams;
dwNotifierType : DWORD;
lpvNotifier : Pointer;
var lpRasConn : HRasConn) : DWORD; stdcall;

implementation

Function TRasDial; external 'rasapi32.dll' name 'RasDialA';
end.
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