怎样获得局域网所有的计算机名

1、怎样获得局域网所有的计算机名新加一treeview控件, 命名为TrvComputer，再加一imagelist1 代码如下： Option Explicit Dim strComputerName As String Private Const RESOURCE_CONNECTED As Long = &H1& Private Const RESOURCE_GLOBALNET As Long = &H2& Private Const RESOURCE_REMEMBERED As Long = &H3& Private Const RESOURC

2、EDISPLAYTYPE_DIRECTORY& = &H9 Private Const RESOURCEDISPLAYTYPE_DOMAIN& = &H1 Private Const RESOURCEDISPLAYTYPE_FILE& = &H4 Private Const RESOURCEDISPLAYTYPE_GENERIC& = &H0 Private Const RESOURCEDISPLAYTYPE_GROUP& = &H5 Private Const RESOURCEDISPLAYTYPE_NETWOR

3、K& = &H6 Private Const RESOURCEDISPLAYTYPE_ROOT& = &H7 Private Const RESOURCEDISPLAYTYPE_SERVER& = &H2 Private Const RESOURCEDISPLAYTYPE_SHARE& = &H3 Private Const RESOURCEDISPLAYTYPE_SHAREADMIN& = &H8 Private Const RESOURCETYPE_ANY As Long = &H0& Priv

4、ate Const RESOURCETYPE_DISK As Long = &H1& Private Const RESOURCETYPE_PRINT As Long = &H2& Private Const RESOURCETYPE_UNKNOWN As Long = &HFFFF& Private Const RESOURCEUSAGE_ALL As Long = &H0& Private Const RESOURCEUSAGE_CONNECTABLE As Long = &H1& Private Const

5、RESOURCEUSAGE_CONTAINER As Long = &H2& Private Const RESOURCEUSAGE_RESERVED As Long = &H80000000 Private Const NO_ERROR = 0 Private Const ERROR_MORE_DATA = 234 'L    / dderror Private Const RESOURCE_ENUM_ALL As Long = &HFFFF Private Type NETRESOURCE  

6、0;  dwScope As Long     dwType As Long     dwDisplayType As Long     dwUsage As Long     pLocalName As Long     pRemoteName As Long     pComment As Long    

7、; pProvider As Long End Type Private Type NETRESOURCE_REAL     dwScope As Long     dwType As Long     dwDisplayType As Long     dwUsage As Long     sLocalName As String     sR

8、emoteName As String     sComment As String     sProvider As String End Type Private Declare Function GetComputerName Lib "kernel32" Alias "GetComputerNameA" (ByVal lpBuffer As String, nSize As Long) As Long Private Declare Function GetCompu

9、terNameW Lib "kernel32" (lpBuffer As Any, nSize As Long) As Long Private Declare Function WNetAddConnection2 Lib "mpr.dll" Alias "WNetAddConnection2A" (lpNetResource As NETRESOURCE, ByVal lpPassword As String, ByVal lpUserName As String, ByVal dwFlags As Long) As Long P

10、rivate Declare Function WNetOpenEnum Lib "mpr.dll" Alias "WNetOpenEnumA" (ByVal dwScope As Long, ByVal dwType As Long, ByVal dwUsage As Long, lpNetResource As Any, lphEnum As Long) As Long Private Declare Function WNetEnumResource Lib "mpr.dll" Alias "WNetEnumResou

11、rceA" (ByVal hEnum As Long, lpcCount As Long, lpBuffer As NETRESOURCE, lpBufferSize As Long) As Long Private Declare Function WNetCloseEnum Lib "mpr.dll" (ByVal hEnum As Long) As Long Private Declare Function VarPtrAny Lib "vb40032.dll" Alias "VarPtr" (lpObject As

12、Any) As Long Private Declare Sub CopyMem Lib "kernel32" Alias "RtlMoveMemory" (lpTo As Any, lpFrom As Any, ByVal lLen As Long) Private Declare Sub CopyMemByPtr Lib "kernel32" Alias "RtlMoveMemory" (ByVal lpTo As Long, ByVal lpFrom As Long, ByVal lLen As Long)

13、Private Declare Function lstrcpy Lib "kernel32" Alias "lstrcpyA" (ByVal lpString1 As String, ByVal lpString2 As Any) As Long Private Declare Function lstrlen Lib "kernel32" Alias "lstrlenA" (ByVal lpString As Any) As Long Sub GetLocalInfo() Dim nodX As Node &#

14、160;   Const MAX_RESOURCES = 256     Const NOT_A_CONTAINER = -1     Dim bFirstTime As Boolean     Dim lReturn As Long     Dim hEnum As Long     Dim lCount As Long    

15、0;Dim lMin As Long     Dim lLength As Long     Dim l As Long     Dim lBufferSize As Long     Dim lLastIndex As Long     Dim uNetApi(0 To MAX_RESOURCES) As NETRESOURCE     Dim uNet(

16、) As NETRESOURCE_REAL     bFirstTime = True     Do         If bFirstTime Then             lReturn = WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_ANY, RESOURCEUSAGE_

17、ALL, ByVal 0&, hEnum)             bFirstTime = False         Else             If uNet(lLastIndex).dwUsage And RESOURCEUSAGE_CONTAINER Then &#

18、160;              lReturn = WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_ANY, RESOURCEUSAGE_ALL, uNet(lLastIndex), hEnum)             Else       

19、;         lReturn = NOT_A_CONTAINER                hEnum = 0             End If         &#

20、160;   lLastIndex = lLastIndex + 1         End If         If lReturn = NO_ERROR Then             lCount = RESOURCE_ENUM_ALL      &

21、#160;      Do                lBufferSize = UBound(uNetApi) * Len(uNetApi(0) / 2                lReturn = WNetEnumResource(hEnum, l

22、Count, uNetApi(0), lBufferSize)                If lCount > 0 Then                     ReDim Preserve uNet(0 To lMin + lCount -

23、1) As NETRESOURCE_REAL                     For l = 0 To lCount - 1                       &

24、#160; 'Each Resource will appear here as uNet(i)                         uNet(lMin + l).dwScope = uNetApi(l).dwScope          

25、               uNet(lMin + l).dwType = uNetApi(l).dwType                         uNet(lMin + l).dwDisplay

26、Type = uNetApi(l).dwDisplayType                         uNet(lMin + l).dwUsage = uNetApi(l).dwUsage              &#

27、160;          If uNetApi(l).pLocalName Then                             lLength = lstrlen(uNetApi(l).pLocalNam

28、e)                             uNet(lMin + l).sLocalName = Space$(lLength)               &

29、#160;             CopyMem ByVal uNet(lMin + l).sLocalName, ByVal uNetApi(l).pLocalName, lLength                        &

30、#160;End If                         If uNetApi(l).pRemoteName Then                    

31、;         lLength = lstrlen(uNetApi(l).pRemoteName)                             uNet(lMin + l).sRemoteName = Space$

32、(lLength)                             CopyMem ByVal uNet(lMin + l).sRemoteName, ByVal uNetApi(l).pRemoteName, lLength        

33、                 End If                         If uNetApi(l).pComment Then    &

34、#160;                        lLength = lstrlen(uNetApi(l).pComment)                   

35、0;         uNet(lMin + l).sComment = Space$(lLength)                             CopyMem ByVal uNet(lMin + l).sComm

36、ent, ByVal uNetApi(l).pComment, lLength                         End If                   &

37、#160;     If uNetApi(l).pProvider Then                             lLength = lstrlen(uNetApi(l).pProvider)