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rasgetconnectstatus (coredll)
 

coredll is for smart devices, not desktop Windows. Therefore, this information only applies to code using the .NET Compact Framework. To see if information for rasgetconnectstatus in other DLLs exists, click on Find References to the right.

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Summary
This function retrieves information on the current status of the specified remote access connection

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;
    }

Documentation

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