C#

<br />
public struct Server<br />
	{<br />
		private string n, c;<br />
		public string Name<br />
		{<br />
			get { return n; }<br />
			set { n = value; }<br />
		}<br />
		public string Comment<br />
		{<br />
			get { return c; }<br />
			set { c = value; }<br />
		}<br />
		public Server(string name, string comment)<br />
		{<br />
			n = name;<br />
			c = comment;<br />
		}<br />
	}<br />

<br />
public static Server[] GetServers(string domainName)<br />
		{<br />
			int ret;<br />
			IntPtr ptrBuffer;<br />
			IntPtr ptrHandle = new IntPtr();<br />
			int BufferSize = short.MaxValue;<br />
			int NumberRequested = -1;<br />
			NETRESOURCE objNR = new NETRESOURCE();<br />
			objNR.lpRemoteName = domainName;<br />
			object obj = (object) objNR;<br />
			if(obj==null)<br />
			{<br />
				//something went wrong or there isn't a network available<br />
				return null;<br />
			}<br />
			//Open Main Handle<br />
			ret = dotNet_WNetOpenEnum.Execute(Flags.RESOURCE_GLOBALNET, Flags.RESOURCETYPE_ANY, Flags.RESOURCEUSAGE_ALL, obj, out ptrHandle);<br />
			//Check the results<br />
			if(ret!=0)<br />
			{<br />
				if(ptrHandle!=IntPtr.Zero) //close the handle if one was returned<br />
				{<br />
					ret = dotNet_WNetCloseEnum.Execute(ptrHandle);<br />
				}<br />
				return null;<br />
			}<br />
			//Enum Resources<br />
			ret = 234;<br />
			ptrBuffer = Marshal.AllocHGlobal(0);<br />
			//234=MORE_DATA_AVAILABLE, 487=ERROR_INVALID ADDRESS (EXPECTED)<br />
			while(ret==234 || ret==487)  //dynamically allocating memory!<br />
			{<br />
				NumberRequested=-1;<br />
				ret = dotNet_WNetEnumResource.Execute(ptrHandle, ref NumberRequested, ptrBuffer, ref BufferSize);<br />
				if(ret!=0)<br />
				{<br />
					Marshal.FreeHGlobal(ptrBuffer);<br />
					BufferSize*=2;	//because we found the dynamic allocation<br />
					//falls a little short on longer lists;<br />
					ptrBuffer = Marshal.AllocHGlobal(BufferSize);<br />
				}<br />
			}<br />
			//Check the results<br />
			if((ret!=0) || (NumberRequested < 1))<br />
			{<br />
				if(ptrBuffer!=IntPtr.Zero)<br />
					Marshal.FreeHGlobal(ptrBuffer);	//free the memory we allocated<br />
				if(ptrHandle!=IntPtr.Zero) //close the handle if one was returned<br />
				{<br />
					ret = dotNet_WNetCloseEnum.Execute(ptrHandle);<br />
				}<br />
				return null;<br />
			}		<br />
			//Determine what to do for returned results<br />
			Server [] servers = new Server[NumberRequested];<br />
			//Set a pointer for the buffer movement<br />
			int PtrMovement;<br />
			NETRESOURCE nr;<br />
			PtrMovement = ptrBuffer.ToInt32();<br />
			for(int n=0;n<NumberRequested;n++)<br />
			{	<br />
				//Set a pointer for the buffer movement<br />
				//Declare a NETRESOURCE class and convert our pointer to it<br />
				nr = (NETRESOURCE) Marshal.PtrToStructure(new IntPtr(PtrMovement), typeof(NETRESOURCE));<br />
				//Build the return;<br />
				servers[n] = new Server(nr.lpRemoteName, nr.lpComment);<br />
				//bump up the pointer;<br />
				PtrMovement += Marshal.SizeOf(typeof(NETRESOURCE));<br />
			}<br />
			Marshal.FreeHGlobal(ptrBuffer);	//free the memory we allocated<br />
			//close the handle if one was returned;<br />
			ret = dotNet_WNetCloseEnum.Execute(ptrHandle);<br />
			//return the NETRESOURCE class;<br />
			return servers;<br />
		}<br />

<br />
                        string domain="Domain1";<br />
			this.lstViewNetwork.Items.Clear();<br />
			Server [] myServers;<br />
			myServers = Network.GetServers(domain);<br />
			this.lstViewNetwork.BeginUpdate();<br />
			if(myServers!=null)<br />
			{<br />
				foreach(Server s in myServers)<br />
				{<br />
					if(s.Name!=null)<br />
					{<br />
						this.lstViewNetwork.Items.Add(s.Name, 0);<br />
					}<br />
				}<br />
			}<br />
			count++;<br />
			this.lstViewNetwork.EndUpdate();<br />
			this.lblRefresh.Text = count.ToString();<br />
			GC.Collect();<br />
		}<br />

-Nick Parker
DeveloperNotes.com