GetUserName()

static void System.Environment.GetUserName ( ref ValueStringBuilder builder )

inlinestaticprivate

Definition at line 636 of file Environment.cs.

    {
        uint lpnSize = 0u;
        while (Interop.Secur32.GetUserNameExW(2, ref builder.GetPinnableReference(), ref lpnSize) == Interop.BOOLEAN.FALSE)
        {
            if (Marshal.GetLastPInvokeError() == 234)
            {
                builder.EnsureCapacity(checked((int)lpnSize));
                continue;
            }
            builder.Length = 0;
            return;
        }
        builder.Length = (int)lpnSize;
    }

References System.Runtime.InteropServices.Marshal.GetLastPInvokeError(), and Interop.Secur32.GetUserNameExW().