namespace Microsoft.Data.SqlClient.LocalDb { internal static class LocalDbApi { [SuppressUnmanagedCodeSecurity] [UnmanagedFunctionPointer(CallingConvention.Cdecl)] private delegate int LocalDbCreateInstanceDelegate (string version, string instance, uint flags); [SuppressUnmanagedCodeSecurity] [UnmanagedFunctionPointer(CallingConvention.Cdecl, CharSet = CharSet.Unicode)] private delegate int LocalDbFormatMessageDelegate (int hrLocalDb, uint dwFlags, uint dwLanguageId, StringBuilder buffer, ref uint bufferLength); } }