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type PnetResourceArr = ^TNetResource; implementation procedure GetServerList(List:TStrings); Type {$H+} PMyRec = ^MyRec; MyRec = Record dwScope : Integer; dwType : Integer; dwDisplayType : Integer; dwUsage : Integer; LocalName : String; RemoteName : String; Comment : String; Provider : String; End; {H-} Var NetResource : TNetResource; TempRec : PMyRec; Buf : Pointer; Count, BufSize, Res : DWORD; lphEnum : THandle; p : PNetResourceArr; i, j : SmallInt; NetworkTypeList : TList; begin // Result := False; NetworkTypeList := TList.Create; List.BeginUpdate; List.Clear; GetMem(Buf, 8192); Try Res := WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_DISK, RESOURCEUSAGE_CONTAINER, Nil,lphEnum); If Res <> 0 Then Raise Exception(Res); Count := $FFFFFFFF; BufSize := 8192; Res := WNetEnumResource(lphEnum, Count, Pointer(Buf), BufSize); If Res = ERROR_NO_MORE_ITEMS Then Exit; If (Res <> 0) Then Raise Exception(Res); P := PNetResourceArr(Buf); For I := 0 To Count - 1 Do Begin New(TempRec); TempRec^.dwScope := P^.dwScope; TempRec^.dwType := P^.dwType ; TempRec^.dwDisplayType := P^.dwDisplayType ; TempRec^.dwUsage := P^.dwUsage ; TempRec^.LocalName := StrPas(P^.lpLocalName); TempRec^.RemoteName := StrPas(P^.lpRemoteName); TempRec^.Comment := StrPas(P^.lpComment); TempRec^.Provider := StrPas(P^.lpProvider); NetworkTypeList.Add(TempRec); Inc(P); End; Res := WNetCloseEnum(lphEnum); If Res <> 0 Then Raise Exception(Res); For J := 0 To NetworkTypeList.Count-1 Do Begin TempRec := NetworkTypeList.Items[J]; NetResource := TNetResource(TempRec^); Res := WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_DISK, RESOURCEUSAGE_CONTAINER, @NetResource,lphEnum); If Res <> 0 Then Raise Exception(Res); While true Do Begin Count := $FFFFFFFF; BufSize := 8192; Res := WNetEnumResource(lphEnum, Count, Pointer(Buf), BufSize); If Res = ERROR_NO_MORE_ITEMS Then Break; If (Res <> 0) Then Raise Exception(Res); P := PNetResourceArr(Buf); For I := 0 To Count - 1 Do Begin List.Add(P^.lpRemoteName); Inc(P); End; End; End; Res := WNetCloseEnum(lphEnum); If Res <> 0 Then Raise Exception(Res); //Result := True; Finally FreeMem(Buf); NetworkTypeList.Destroy; End; List.EndUpdate; end; procedure GetUserList(fServer:string;List:TStrings); Var NetResource : TNetResource; Buf : Pointer; Count, BufSize, Res : DWord; Ind : Integer; lphEnum : THandle; Temp : PNetResourceArr; Begin List.Clear; GetMem(Buf, 8192); Try FillChar(NetResource, SizeOf(NetResource), 0); NetResource.lpRemoteName := @fServer[1]; NetResource.dwDisplayType := RESOURCEDISPLAYTYPE_SERVER; NetResource.dwUsage := RESOURCEUSAGE_CONTAINER; NetResource.dwScope := RESOURCETYPE_DISK; Res := WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_DISK, RESOURCEUSAGE_CONTAINER, @NetResource,lphEnum); If Res <> 0 Then Exit; While True Do Begin Count := $FFFFFFFF; BufSize := 8192; Res := WNetEnumResource(lphEnum, Count, Pointer(Buf), BufSize); If Res = ERROR_NO_MORE_ITEMS Then Exit; If (Res <> 0) then Exit; Temp := PNetResourceArr(Buf); For Ind := 0 to Count - 1 do Begin List.Add(Temp^.lpRemoteName + 2); { Add all the network usernames to List StringList } Inc(Temp); End; End; Res := WNetCloseEnum(lphEnum); If Res <> 0 Then Raise Exception(Res); // Result := True; Finally FreeMem(Buf); End; End; 这程序是网上来的，我整理了一个，就变成现在这样了。 procedure oncreate; begin GetServerList(Listbox1.Items);end; procedure Listbox1.Onclick begin GetUserList(Listbox1.Items[Listbox1.ItemIndex],Listbox2.Items); end; ************************************** 获得网上邻居列表的程序 程序如下： var i : Integer; ErrCode : Integer; NetRes : Array[0..1023] of TNetResource; EnumHandle : Thandle; EnumEntries : Dword; BufferSize : Dword; ComputerIP,ComputerName:String; begin //try With NetRes[0] do begin dwScope :=RESOURCE_GLOBALNET; dwType :=RESOURCETYPE_ANY; dwDisplayType :=RESOURCEDISPLAYTYPE_DOMAIN; dwUsage :=RESOURCEUSAGE_CONNECTABLE; lpLocalName :=NIL; lpRemoteName :=NIL; lpComment :=NIL; lpProvider :=NIL; end; { get net root } ErrCode:=WNetOpenEnum( RESOURCE_GLOBALNET, RESOURCETYPE_ANY, RESOURCEUSAGE_CONTAINER, @NetRes[0], EnumHandle ); If ErrCode=NO_ERROR then begin EnumEntries:=1; BufferSize:=SizeOf(NetRes); ErrCode:=WNetEnumResource(EnumHandle,EnumEntries,@NetRes[0],BufferSize); WNetCloseEnum(EnumHandle); ErrCode:=WNetOpenEnum( RESOURCE_GLOBALNET, RESOURCETYPE_ANY, RESOURCEUSAGE_CONNECTABLE, @NetRes[0], EnumHandle ); EnumEntries:=1024; BufferSize:=SizeOf(NetRes); ErrCode:=WNetEnumResource( EnumHandle, EnumEntries, @NetRes, BufferSize ); for i:=0 to 1023 do if NetRes[i].lpRemoteName='' then Exit else begin ComputerName:=Copy(NetRes[i].lpRemoteName,3,Length(NetRes[i].lpRemoteName)-2); ComputerIP:=GetIP(ComputerName); ShowMessage('计算机名' + NetRes[i].lpRemoteName + chr(13) + '计算机说明:' + NetRes[i].lpComment + chr(13) + 'IP地址:' + ComputerIP); end; end; ************* 请问怎样获取所有能访问的网上邻居中的计算机名称列表？ 通过Windows Shell API 用SHGetSpecialFolderLocation获得Neighborhood的PIDL，然后将一个IShellFolder接 口绑定到这个PIDL，再然后就可以用这个接口的EnumObjects函数枚举其中的对象了。 因我不会Delphi，所以不知道用Delphi应该具体如何做，下面一段C++代码列出了"我 的电脑"下的所有项目(我的计算机没有安装网络邻居，所以用这个代替，方法应该是 一样的) #include <stdio.h> #include <iostream.h> #include <comdef.h> #include <windows.h> #include <shellapi.h> #include <shlobj.h> #include <shlguid.h> #include <shlwapi.h> void _inline error(){ cerr<<"ERROR!"<<endl; _exit(1); } void main(int argc, char* argv[]) { IMallocPtr pMalloc; IShellFolderPtr pShellFolder,pFolder; LPITEMIDLIST pidl; IEnumIDListPtr pEnum; HRESULT hr; STRRET Name; ULONG celtFetched; SHGetMalloc(&pMalloc); if (!SUCCEEDED(SHGetDesktopFolder(&pShellFolder))) error(); if (!SUCCEEDED(SHGetSpecialFolderLocation(NULL,CSIDL_DRIVES,&pidl))) error(); pShellFolder->BindToObject(pidl,NULL,IID_IShellFolder,(LPVOID*)&pFolder); hr=pFolder->EnumObjects(NULL,SHCONTF_FOLDERS|SHCONTF_NONFOLDERS| SHCONTF_INCLUDEHIDDEN,&pEnum); while ((hr = pEnum->Next (1, &pidl, &celtFetched)) != S_FALSE && celtFetched == 1) { hr = pFolder->GetDisplayNameOf (pidl, SHGDN_NORMAL , &Name); if (FAILED (hr)) { error(); break; } printf("%s\n",Name.cStr); } if (!pidl) pMalloc->Free(pidl); } ************** unit Unit1; interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ComCtrls, ImgList, ExtCtrls, ToolWin; type TForm1 = class(TForm) ImageList1: TImageList; ToolBar1: TToolBar; ToolButton1: TToolButton; Panel1: TPanel; ResourceTree: TTreeView; Splitter1: TSplitter; ResourceList: TListView; Panel2: TPanel; lbScope: TLabel; lbType: TLabel; lbDisplayType: TLabel; lbUsage: TLabel; lbLocalName: TLabel; lbRemoteName: TLabel; lbComment: TLabel; lbProvider: TLabel; ToolButton2: TToolButton; procedure Button1Click(Sender: TObject); procedure ResourceTreeChange(Sender: TObject; Node: TTreeNode); procedure ToolButton2Click(Sender: TObject); private { Private declarations } public { Public declarations } function AddTreeItem(nr:NETRESOURCE;node:TTreeNode):TTreeNode; function EnumNetWorkResource(lpnr:PNetResource;node:TTreeNode):Boolean; procedure ConnectResource(pnr:PNetResource); end; var Form1: TForm1; implementation {$R *.DFM} { TForm1 } function GetLastErrorText:string; var dwSize:DWORD; lpszTemp:LPSTR; begin dwSize:=512; lpszTemp:=nil; try GetMem(lpszTemp,dwSize); FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM or FORMAT_MESSAGE_ARGUMENT_ARRAY, nil,GetLastError,LANG_NEUTRAL,lpszTemp,dwSize,nil); finally Result:=StrPas(lpszTemp); FreeMem(lpszTemp); end; end; function TForm1.EnumNetWorkResource(lpnr:PNetResource;node:TTreeNode):Boolean; var nr:NetResource; hEnum:THandle; lpnrLocal: PNETRESOURCE; cbBuffer:DWORD; cEntries,dwEnumResult:DWORD; i:Integer; LocalNode:TTreeNode; begin Result:=False; cbBuffer:=163840; cEntries:=$ffffffff; lpnrLocal:=nil; if(WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_ANY, 0, lpnr, hEnum)<>NO_ERROR)then begin ShowMessage('Open enum error,node='+lpnr^.lpRemoteName); ShowMessage(GetLastErrorText); Result:=False; Exit; end; try repeat lpnrLocal:=PNetResource(GlobalAlloc(GPTR,cbBuffer)); dwEnumResult:=WNetEnumResource(hEnum, cEntries, lpnrLocal, cbBuffer); if(dwEnumResult=NO_ERROR)then begin for i:=0 to cEntries-1 do begin nr:=(PNetResource(PChar(lpnrLocal)+sizeOf(NetResource)*i))^; LocalNode:=AddTreeItem(nr,node); if(RESOURCEUSAGE_CONTAINER= nr.dwUsage and RESOURCEUSAGE_CONTAINER)then begin if(not EnumNetWorkResource(@nr,LocalNode))then begin ShowMessage('Error enum,Parent='+lpnr^.lpRemoteName); ShowMessage(GetLastErrorText); end; end; end; end; until (dwEnumResult=ERROR_NO_MORE_ITEMS); if(dwEnumResult=ERROR_NO_MORE_ITEMS)then Result:=True; Except GlobalFree(Cardinal(lpnrLocal)); WNetCloseEnum(hEnum); Raise; end; GlobalFree(Cardinal(lpnrLocal)); WNetCloseEnum(hEnum); end; procedure TForm1.Button1Click(Sender: TObject); begin EnumNetWorkResource(nil,ResourceTree.Items[0]); end; function TForm1.AddTreeItem(nr: NETRESOURCE; node: TTreeNode): TTreeNode; var pnr:PNetResource; begin GetMem(pnr,SizeOf(NetResource)); pnr^:=nr; Result:=ResourceTree.Items.AddChildObject(node,nr.lpRemoteName,pnr); if(nr.dwUsage=RESOURCEUSAGE_CONTAINER)then Result.ImageIndex:=0 else Result.ImageIndex:=1; end; procedure TForm1.ResourceTreeChange(Sender: TObject; Node: TTreeNode); var pnr:PNetResource; begin pnr:=PNetResource(Node.Data); if(pnr=nil)then Exit; case pnr^.dwScope of RESOURCE_CONNECTED: lbScope.Caption:='Connetted'; RESOURCE_GLOBALNET: lbScope.Caption:='GlobalNet'; RESOURCE_REMEMBERED: lbScope.Caption:='Remembered'; else lbScope.Caption:='else scope:'+IntToStr(pnr^.dwScope); end; case pnr^.dwType of RESOURCETYPE_DISK: lbType.Caption:='Disk'; RESOURCETYPE_PRINT: lbType.Caption:='Printer'; else lbType.Caption:=IntToStr(pnr^.dwType); end; case pnr^.dwDisplayType of RESOURCEDISPLAYTYPE_DOMAIN: lbDisplayType.Caption:='Domain'; RESOURCEDISPLAYTYPE_GENERIC: lbDisplayType.Caption:='Generic'; RESOURCEDISPLAYTYPE_SERVER: lbDisplayType.Caption:='Server'; RESOURCEDISPLAYTYPE_SHARE: lbDisplayType.Caption:='Shared'; else lbDisplayType.Caption:='else type:'+IntToStr(pnr^.dwDisplayType); end; case pnr^.dwUsage of RESOURCEUSAGE_CONTAINER: lbUsage.Caption:='Container'; RESOURCEUSAGE_CONNECTABLE: lbUsage.Caption:='Connectable'; else lbUsage.Caption:='else Usage:'+IntToStr(pnr^.dwUsage); end; lbLocalName.Caption:=pnr^.lpLocalName; lbRemoteName.Caption:=pnr^.lpRemoteName; lbComment.Caption:=pnr^.lpComment; lbProvider.Caption:=pnr^.lpProvider; //ConnectResource(pnr); end; procedure TForm1.ConnectResource(pnr: PNetResource); begin if((pnr^.dwUsage and RESOURCEUSAGE_CONNECTABLE) =RESOURCEUSAGE_CONNECTABLE)then begin { if(WNetAddConnection2(pnr^,PChar(''),'wuwei',0)<>NO_ERROR)then ShowMessage(GetLastErrorText);} if(WNetAddConnection(pnr^.lpRemoteName,'','h:')<>NO_ERROR)then ShowMessage(GetLastErrorText); end; end; procedure TForm1.ToolButton2Click(Sender: TObject); var p:PNetResource; begin p:=PNetResource(ResourceTree.Selected.Data); ConnectResource(p); end; end. ******* 查询局域网中NT服务器的计算机名 You should use API function NET_API_STATUS NetServerEnum( LPWSTR servername, DWORD level, LPBYTE *bufptr, DWORD prefmaxlen, LPDWORD entriesread, LPDWORD totalentries, DWORD servertype, LPWSTR domain, LPDWORD resume_handle );
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