C# equivalent of VB DLL function declaration (InternetSetOption)?

What is the C# equivalent of this VB co开发者_JAVA百科de?

Private Declare Auto Function InternetSetOption Lib "wininet.dll" (ByVal hInternet As IntPtr, ByVal dwOption As Integer, ByVal lpBuffer As IntPtr, ByVal lpdwBufferLength As Integer) As Boolean

Here it is:

[DllImport("wininet.dll", SetLastError = true, CharSet = CharSet.Auto)]
public static extern bool InternetSetOption(
    IntPtr hInternet, 
    int dwOption, 
    IntPtr lpBuffer, 
    int dwBufferLength
);