{

private Guid SID_SProfferService = new Guid("cb728b20-f786-11ce-92ad-00aa00a74cd0");

private Guid IID_IProfferService = typeof(IProfferService).GUID;

private Guid IID_IAuthenticate = typeof(IServiceProvider).GUID;

public const int INET_E_DEFAULT_ACTION = unchecked((int)0x800C0011);

public const int S_OK = unchecked((int)0x00000000);

private string _userName = string.Empty;

private string _password = string.Empty;

private bool _disposed = false;

IProfferService theProfferService = null;

private System.Windows.Forms.WebBrowser browserControl;

private InternetExplorer IE;

public BrowserRemotingProxy(System.Windows.Forms.WebBrowser browserControl, string userName, string password)

{

this.browserControl = browserControl;

this.IE = browserControl.ActiveXInstance as InternetExplorer;

IServiceProvider sp = this.IE as IServiceProvider;

IOleObject oc = IE as IOleObject;

oc.SetClientSite(this as IOleClientSite);

IntPtr objectProffer = IntPtr.Zero;

uint cookie = 0;

_userName = userName;

_password = password;

sp.QueryService(ref SID_SProfferService, ref IID_IProfferService, out objectProffer);

theProfferService = Marshal.GetObjectForIUnknown(objectProffer) as IProfferService;

theProfferService.ProfferService(ref IID_IAuthenticate, this, out cookie);

}

#region IServiceProvider Members

int IServiceProvider.QueryService(ref Guid guidService, ref Guid riid, out IntPtr ppvObject)

{

////int hr = HRESULT.E_NOINTERFACE;

//if (guidService == IID_IAuthenticate && riid == IID_IAuthenticate)

//{

// ppvObject = Marshal.GetComInterfaceForObject(this, typeof(IAuthenticate)); // this as IAuthenticate; //

// //if (ppvObject != null) {

// // hr = HRESULT.S_OK;

// //}

//}

//else

//{

// ppvObject = IntPtr.Zero;

//}

////return hr;

int nRet = guidService.CompareTo(IID_IAuthenticate); // Zero

//returned if the compared objects are equal

if (nRet == 0)

{

nRet = riid.CompareTo(IID_IAuthenticate); // Zero

//returned if the compared objects are equal

if (nRet == 0)

{

ppvObject = Marshal.GetComInterfaceForObject(this, typeof(IAuthenticate));

return S_OK;

}

}

ppvObject = new IntPtr();

return INET_E_DEFAULT_ACTION;

}

#endregion

#region IAuthenticate Members

void IAuthenticate.Authenticate(out IntPtr phwnd, out string pszUsername, out string pszPassword)

{

phwnd = IntPtr.Zero;

pszUsername = _userName;

pszPassword = _password;

}

#endregion

#region IOleClientSite Members

public void SaveObject()

{

// TODO: Add Form1.SaveObject implementation

}

public void GetMoniker(uint dwAssign, uint dwWhichMoniker, object ppmk)

{

// TODO: Add Form1.GetMoniker implementation

}

public void GetContainer(object ppContainer)

{

ppContainer = this;

}

public void ShowObject()

{

// TODO: Add Form1.ShowObject implementation

}

public void OnShowWindow(bool fShow)

{

// TODO: Add Form1.OnShowWindow implementation

}

public void RequestNewObjectLayout()

{

// TODO: Add Form1.RequestNewObjectLayout implementation

}

#endregion

#region IDisposable Members

public void Dispose()

{

this.Dispose(true);

GC.SuppressFinalize(this);

}

protected void Dispose(bool disposing)

{

if (disposing)

{

if (!_disposed)

{

if (theProfferService != null)

Marshal.ReleaseComObject(theProfferService);

_disposed = true;

}

}

}

#endregion

{

public const int S_OK = 0;

public const int S_FALSE = 1;

public const int E_NOTIMPL = unchecked((int)0x80004001);

public const int E_INVALIDARG = unchecked((int)0x80070057);

public const int E_NOINTERFACE = unchecked((int)0x80004002);

public const int E_FAIL = unchecked((int)0x80004005);

public const int E_UNEXPECTED = unchecked((int)0x8000FFFF);

{

void SetClientSite(IOleClientSite pClientSite);

void GetClientSite(IOleClientSite ppClientSite);

void SetHostNames(object szContainerApp, object szContainerObj);

void Close(uint dwSaveOption);

void SetMoniker(uint dwWhichMoniker, object pmk);

void GetMoniker(uint dwAssign, uint dwWhichMoniker, object ppmk);

void InitFromData(IDataObject pDataObject, bool

fCreation, uint dwReserved);

void GetClipboardData(uint dwReserved, IDataObject ppDataObject);

void DoVerb(uint iVerb, uint lpmsg, object pActiveSite,

uint lindex, uint hwndParent, uint lprcPosRect);

void EnumVerbs(object ppEnumOleVerb);

void Update();

void IsUpToDate();

void GetUserClassID(uint pClsid);

void GetUserType(uint dwFormOfType, uint pszUserType);

void SetExtent(uint dwDrawAspect, uint psizel);

void GetExtent(uint dwDrawAspect, uint psizel);

void Advise(object pAdvSink, uint pdwConnection);

void Unadvise(uint dwConnection);

void EnumAdvise(object ppenumAdvise);

void GetMiscStatus(uint dwAspect, uint pdwStatus);

void SetColorScheme(object pLogpal);

{

void SaveObject();

void GetMoniker(uint dwAssign, uint dwWhichMoniker, object ppmk);

void GetContainer(object ppContainer);

void ShowObject();

void OnShowWindow(bool fShow);

void RequestNewObjectLayout();

{

[return: MarshalAs(UnmanagedType.I4)]

[PreserveSig]

int QueryService(ref Guid guidService, ref Guid riid, out IntPtr ppvObject);

{

[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]

void ProfferService([In] ref Guid rguidService, [In, MarshalAs(UnmanagedType.Interface)] IServiceProvider psp, out uint pdwCookie);

[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]

void RevokeService([In] uint dwCookie);

{

[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]

void Authenticate([Out, ComAliasName("UrlMonInterop.wireHWND")] out IntPtr phwnd, [Out, MarshalAs(UnmanagedType.LPWStr)] out string pszUsername, [Out, MarshalAs(UnmanagedType.LPWStr)] out string pszPassword);