# RouteHelper ```cpp ULONG ConvertLuidToIndex(ULONG64 id); BOOL CreateIPv4(const char* address, const char* netmask, ULONG index); BOOL CreateUnicastIP(USHORT inet, const char* address, UINT8 cidr, ULONG index); BOOL RefreshIPTable(USHORT inet, ULONG index); BOOL CreateRoute(USHORT inet, const char* address, UINT8 cidr, const char* gateway, ULONG index, ULONG metric); BOOL DeleteRoute(USHORT inet, const char* address, UINT8 cidr, const char* gateway, ULONG index, ULONG metric); ``` ```csharp [DllImport("RouteHelper.bin", CallingConvention = CallingConvention.Cdecl)] public static extern uint ConvertLuidToIndex(ulong id); [DllImport("RouteHelper.bin", CallingConvention = CallingConvention.Cdecl)] public static extern bool CreateIPv4(string address, string netmask, uint index); [DllImport("RouteHelper.bin", CallingConvention = CallingConvention.Cdecl)] public static extern bool CreateUnicastIP(AddressFamily inet, string address, byte cidr, uint index); [DllImport("RouteHelper.bin", CallingConvention = CallingConvention.Cdecl)] public static extern bool RefreshIPTable(AddressFamily inet, uint index); [DllImport("RouteHelper.bin", CallingConvention = CallingConvention.Cdecl)] public static extern bool CreateRoute(AddressFamily inet, string address, byte cidr, string gateway, uint index, uint metric); [DllImport("RouteHelper.bin", CallingConvention = CallingConvention.Cdecl)] public static extern bool CreateRoute(AddressFamily inet, string address, byte cidr, string gateway, uint index, uint metric); ```