static extern bool CreateEnvironmentBlock( out IntPtr lpEnvironment, IntPtr hToken, bool bInherit );

    Public Shared Function CreateEnvironmentBlock(ByRef lpEnvironment As IntPtr, ByVal hToken As IntPtr, ByVal bInherit As Boolean) As Boolean

        internal static extern bool CreateEnvironmentBlock(ref IntPtr lpEnvironment, IntPtr hToken, bool bInherit);

        internal static Dictionary<string,string> CreateEnvironmentBlock(SecurityToken token, bool inherit) {

        if (!CreateEnvironmentBlock(ref env, token, inherit)) {

            throw new System.ComponentModel.Win32Exception(lastError, "CreateEnvironmentBlock Error " + lastError);