C# Signature:

[DllImport("coredll.dll", SetLastError=true)]
public static extern int RasGetConnectStatus(IntPtr hrasconn, ref RASCONNSTATUS lprasconnstatus);

User-Defined Types:

    const int RASCS_PAUSED = 0x1000;
    const int RASCS_DONE = 0x2000;
    const int RAS_MaxDeviceType = 16;
    const int RAS_MaxDeviceName = 128;

    internal enum RASCONNSTATE
    {
        RASCS_OpenPort = 0,
        RASCS_PortOpened,
        RASCS_ConnectDevice,
        RASCS_DeviceConnected,
        RASCS_AllDevicesConnected,
        RASCS_Authenticate,
        RASCS_AuthNotify,
        RASCS_AuthRetry,
        RASCS_AuthCallback,
        RASCS_AuthChangePassword,
        RASCS_AuthProject,
        RASCS_AuthLinkSpeed,
        RASCS_AuthAck,
        RASCS_ReAuthenticate,
        RASCS_Authenticated,
        RASCS_PrepareForCallback,
        RASCS_WaitForModemReset,
        RASCS_WaitForCallback,
        RASCS_Projected,
        RASCS_Interactive = RASCS_PAUSED,
        RASCS_RetryAuthentication,
        RASCS_CallbackSetByCaller,
        RASCS_PasswordExpired,
        RASCS_Connected = RASCS_DONE,
        RASCS_Disconnected
      }

    internal struct RASCONNSTATUS
    {
        public UInt32 dwSize;
        public RASCONNSTATE rasconnstate;
        public UInt32 dwError;
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = RAS_MaxDeviceType + 1)]
        public string szDeviceType;
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = RAS_MaxDeviceName + 1)]
        public string szDeviceName;
    }

Notes:

function info on msdn at http://msdn.microsoft.com/en-us/library/ms897100.aspx

Sample Code:

    public static RASCONNSTATUS GetConnectStatus(IntPtr hrasconn)
    {
        RASCONNSTATUS status = new RASCONNSTATUS();
        status.dwSize = (UInt32)Marshal.SizeOf(status);
        RasGetConnectStatus(hrasconn, ref status);
        return status;
    }

Please edit this page!

Do you have...

• helpful tips or sample code to share for using this API in managed code?
• corrections to the existing content?
• variations of the signature you want to share?
• additional languages you want to include?

Select "Edit This Page" on the right hand toolbar and edit it! Or add new pages containing supporting types needed for this API (structures, delegates, and more).