N-Manager is a developer tool that allows you to manage networks and settings in Windows 2000/2003/XP/Vista via simple set of functions. Also N-Manager provides a COM ActiveX interface for all API functions so you can simply control network connections from VB or such .NET languages as VB.NET or C#.
With N-Manager you can:
- Enumerate network adapters, get their names, guids, properties, etc.
- Enable/disable adapters.
- Read and change TCP/IP settings: IP, Mask, Gateway, DNS, DHCP.
- Repair adapters, display properties dialogs.
- Read and change adapters MAC addresses.
- Manage Windows firewall.
- Use "Ping" function.

SDK contains sample projects with complete source code for various programming languages (C++, Delphi, VB.NET, C#) and detailed documentation for all functions.