public static extern bool CryptStringToBinary(
[In] string pszString,
[In] uint cchString,
[In] CryptStringFlags dwFlags,
[Out] IntPtr pbBinary,
[In, Out] ref uint pcbBinary,
[Out] out uint pdwSkip,
[Out] out CryptStringFlags pdwFlags);
internal static extern bool CryptStringToBinary(
[MarshalAs(UnmanagedType.LPWStr)] string pszString,
int stringLength,
CryptStringFlags dwFlags,
[In, Out] byte[] pbBinary,
ref uint pcbBinary,
out uint pdwSkip, out uint pdwFlags
);