1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:
40:
41:
42:
43:
44:
45:
46:
47:
48:
49:
50:
51:
52:
53:
54:
55:
56:
57:
58:
59:
60:
61:
62:
63:
64:
65:
66:
67:
68:
69:
70:
71:
72:
73:
74:
75:
76:
77:
78:
79:
80:
81:
82:
83:
| type
PNetResourceArray = ^TNetResourceArray;
TNetResourceArray = array[0..100] of TNetResource;
Function CreateNetResourceList(ResourceType: DWord;
NetResource: PNetResource;
out Entries: DWord;
out List: PNetResourceArray): Boolean;
var EnumHandle: THandle;
BufSize: DWord;
Res: DWord;
begin
Result := False;
List := Nil;
Entries := 0;
if WNetOpenEnum(RESOURCE_GLOBALNET, ResourceType,0,NetResource,EnumHandle) =
NO_ERROR
then begin
try
BufSize := $4000; // 16 kByte
GetMem(List, BufSize);
try
repeat
Entries := DWord(-1);
FillChar(List^, BufSize, 0);
Res := WNetEnumResource(EnumHandle, Entries, List, BufSize);
if Res = ERROR_MORE_DATA
then begin
ReAllocMem(List, BufSize);
end;
until Res <> ERROR_MORE_DATA;
Result := Res = NO_ERROR;
if not Result
then begin
FreeMem(List);
List := Nil;
Entries := 0;
end;
except
FreeMem(List);
raise;
end;
finally
WNetCloseEnum(EnumHandle);
end;
end;
end;
procedure ScanNetworkResources(ResourceType, DisplayType: DWord; List:
TStrings);
procedure ScanLevel(NetResource: PNetResource);
var
Entries: DWord;
NetResourceList: PNetResourceArray;
i: Integer;
begin
if CreateNetResourceList(ResourceType, NetResource, Entries, NetResourceList)
then try
for i := 0 to Integer(Entries) - 1 do begin
if (DisplayType = RESOURCEDISPLAYTYPE_GENERIC) or
(NetResourceList[i].dwDisplayType = DisplayType) then begin
List.AddObject(NetResourceList[i].lpRemoteName,
Pointer(NetResourceList[i].dwDisplayType));
end;
if (NetResourceList[i].dwUsage and RESOURCEUSAGE_CONTAINER) <> 0 then
ScanLevel(@NetResourceList[i]);
end;
finally
FreeMem(NetResourceList);
end;
end;
begin
ScanLevel(Nil);
end;
Procedure TForm1.Button1Click(Sender: TObject);
var LB : TStringList;
begin
LB:= TStringList.Create;
ScanNetworkResources(RESOURCETYPE_DISK, RESOURCEDISPLAYTYPE_SERVER, LB);
Showmessage('Alle Rechner im Netz' + #10#13 + LB.Text);
LB.Free;
end; |