C# Signature:

[DllImport("ole32.dll")]
static extern int CoSetProxyBlanket([MarshalAs(UnmanagedType.IUnknown)]
   object pProxy, uint dwAuthnSvc, uint dwAuthzSvc,
   [MarshalAs(UnmanagedType.LPWStr)] string pServerPrincName, uint dwAuthnLevel,
   uint dwImpLevel, IntPtr pAuthInfo, uint dwCapabilities);

User-Defined Types:

None.

Notes:

This method is not safe to use from managed code! Due to the way the CLR internally deals with COM interface proxies, this method is not guaranteed to work correctly. Future versions of the CLR (or service packs or hotfixes or OS configurations) may cause calls that are succeeding with earlier versions fail.

Tips & Tricks:

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Sample Code:

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Alternative Managed API:

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