C# Signature:

[DllImport("Netapi32.dll")]
static extern NetApiStatus NetApiBufferFree(IntPtr Buffer);

[DllImport("Netapi32.dll", CharSet=CharSet.Unicode)]
static extern NetApiStatus NetGetDCName(string serverName, string domainName, out IntPtr buffer);

VB Signature:

(TODO)

User-Defined Types:

public enum NetApiStatus
{
    Success = 0,
    DCNotFound = 2453
}  

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

public static string GetDCName()
{
    IntPtr domainInfo = IntPtr.Zero;
    string dcName = String.Empty;

    try
    {
        NetApiStatus result = NetGetDCName(null, null, out domainInfo);
        if (result == NetApiStatus.Success)
        {
            dcName = Marshal.PtrToStringAuto(domainInfo);
        }
    }
    finally
    {
        NetApiBufferFree(domainInfo);
    }

    return dcName;

}