C# problem with get game info blackops1 map & host & game mode

error in PS3!

public static string GameSets(byte[] byte_43)
{
ASCIIEncoding encoding = new ASCIIEncoding();
return encoding.GetString(byte_43);
}
public static string LobbySettings(string string_3)
{
byte[] buffer = new byte[0x100];

string str = "";
if (string_3 == "map")
PS3.GetMemory(0xD28a19, ref buffer, buffer);
{
return GameSets(buffer).Split(new char[] { Convert.ToChar(0x5c) })[4];
}