public static extern int NetServerEnum(
[MarshalAs(UnmanagedType.LPWStr)] string servernane, // must be null
int level,
out SafeNetApiBuffer bufptr,
int prefmaxlen,
out int entriesread,
out int totalentries,
NetServerEnumFilter servertype,
[MarshalAs(UnmanagedType.LPWStr)] string domain, // null for login domain
IntPtr resume_handle // Must be IntPtr.Zero
);
/// <summary>The NetServerEnum function lists all servers of the specified type that are visible in a domain.</summary>
/// <typeparam name="T">The type of the structure to have filled in for each server. This must be SERVER_INFO_100 or SERVER_INFO_101.</typeparam>
/// <param name="netServerEnumFilter">A value that filters the server entries to return from the enumeration.</param>
/// <param name="domain">
/// A string that specifies the name of the domain for which a list of servers is to be returned. The domain name must be a NetBIOS domain name (for
/// example, Microsoft). The NetServerEnum function does not support DNS-style names (for example, microsoft.com). If this parameter is NULL, the primary
/// domain is implied.
/// </param>
/// <param name="level">
/// The information level of the data requested. If this value is 0, then the method will extract all digits to form the level (e.g. SERVER_INFO_101
/// produces 101).
/// </param>
/// <returns>A managed array of the requested type.</returns>
public static IEnumerable <T> NetServerEnum <T>(NetServerEnumFilter netServerEnumFilter = NetServerEnumFilter.SV_TYPE_WORKSTATION | NetServerEnumFilter.SV_TYPE_SERVER, string domain = null, int level = 0) where T : struct, INetServerInfo
{
if (level == 0)
{
level = GetLevelFromStructure <T>();
}
if (level != 100 && level != 101)
{
throw new ArgumentOutOfRangeException(nameof(level), @"Only SERVER_INFO_100 or SERVER_INFO_101 are supported as valid structures.");
}
var resumeHandle = IntPtr.Zero;
var ret = NetServerEnum(null, level, out SafeNetApiBuffer bufptr, MAX_PREFERRED_LENGTH, out int entriesRead, out int totalEntries, netServerEnumFilter, domain, resumeHandle);
ret.ThrowIfFailed();
return(((IntPtr)bufptr).ToIEnum <T>(entriesRead));
}
/// <summary>
/// The NetServerEnum function lists all servers of the specified type that are visible in a domain.
/// </summary>
/// <typeparam name="T">The type of the structure to have filled in for each server. This must be SERVER_INFO_100, SERVER_INFO_101, or SERVER_INFO_102.</typeparam>
/// <param name="netServerEnumFilter">A value that filters the server entries to return from the enumeration.</param>
/// <param name="domain">A string that specifies the name of the domain for which a list of servers is to be returned. The domain name must be a NetBIOS domain name (for example, Microsoft). The NetServerEnum function does not support DNS-style names (for example, microsoft.com). If this parameter is NULL, the primary domain is implied.</param>
/// <param name="level">The information level of the data requested. If this value is 0, then the method will extract all digits to form the level (e.g. SERVER_INFO_101 produces 101).</param>
/// <returns>A managed array of the requested type.</returns>
public static IEnumerable <T> NetServerEnum <T>(NetServerEnumFilter netServerEnumFilter = NetServerEnumFilter.SV_TYPE_WORKSTATION | NetServerEnumFilter.SV_TYPE_SERVER, string domain = null, int level = 0) where T : struct, INetServerInfo
{
if (level == 0)
{
level = GetLevelFromStructure <T>();
}
SafeNetApiBuffer bufptr;
int entriesRead, totalEntries;
var resumeHandle = IntPtr.Zero;
var ret = NetServerEnum(null, level, out bufptr, MAX_PREFERRED_LENGTH, out entriesRead, out totalEntries, netServerEnumFilter, domain, resumeHandle);
if (ret != 0)
{
throw new System.ComponentModel.Win32Exception(ret);
}
return(((IntPtr)bufptr).ToIEnum <T>(entriesRead));
}
private static IEnumerable <string> GetNetworkComputerNames(NetServerEnumFilter netServerEnumFilter = NetServerEnumFilter.SV_TYPE_WORKSTATION | NetServerEnumFilter.SV_TYPE_SERVER, string domain = null) => NetServerEnum <SERVER_INFO_100>(netServerEnumFilter, domain, 100).Select(si => si.sv100_name);
private static IEnumerable <SERVER_INFO_101> GetNetworkComputerInfo(NetServerEnumFilter netServerEnumFilter = NetServerEnumFilter.SV_TYPE_WORKSTATION | NetServerEnumFilter.SV_TYPE_SERVER, string domain = null) => NetServerEnum <SERVER_INFO_101>(netServerEnumFilter, domain, 101);