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Search in Network Neighborhood

Posted on 1998-09-09
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Last Modified: 2010-04-30
I need to save a file on selected computers that could be found on the Network Neighborhood.  Their drive C:\SaveHere\ folder would be shared.  I can't map those computers on my PC because I would run out of letters (they can't be less than 50 as of now), so I need to save the file by browsing thru the Network Neighborhood, look for the computer names that would meet the criteria then save on the shared drive of the selected computers that meet the criteria.  
     Knowing where or what computers to save the file would be something like this.  If the file is ABC.TXT it has to be saved only on computers ABC1, ABC2, ABC3 and so on.  We would set standards on naming the computers so the file name could be easily matched with the computer names.
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Question by:imby
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4 Comments
 
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Expert Comment

by:mcix
ID: 1433815
Is there a reason you could not use UNC file names instead of mapping a drive?




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by:imby
ID: 1433816
I'm sorry but what's UNC file names
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waty earned 100 total points
ID: 1433817
Here is a class to map/unmap a drive. If you want a way to browse the network to know computers, you can go on my web site, you will find code for this purpose (web site see my profile)

Option Explicit

Private Declare Function WNetAddConnection Lib "mpr.dll" Alias "WNetAddConnectionA" (ByVal lpszNetPath As String, ByVal lpszPassword As String, ByVal lpszLocalName As String) As Long
Private Declare Function WNetCancelConnection Lib "mpr.dll" Alias "WNetCancelConnectionA" (ByVal lpszName As String, ByVal bForce As Long) As Long

Const WN_Success = &H0
Const WN_Not_Supported = &H1
Const WN_Net_Error = &H2
Const WN_Bad_Pointer = &H4
Const WN_Bad_NetName = &H32
Const WN_Bad_Password = &H6
Const WN_Bad_Localname = &H33
Const WN_Access_Denied = &H7
Const WN_Out_Of_Memory = &HB
Const WN_Already_Connected = &H34

'-- Error number and message
Public ErrorNum         As Long
Public ErrorMsg         As String

Public rc               As Long

Private Const ERROR_NO_CONNECTION = 8
Private Const ERROR_NO_DISCONNECT = 9

Public Sub Connect(sDrive As String, sService As String, Optional sPassword As String = "")
   
   On Error GoTo Err_Connect
   Me.ErrorNum = 0
   Me.ErrorMsg = ""
   rc = WNetAddConnection(sService & Chr(0), sPassword & Chr(0), sDrive & Chr(0))
   If rc <> 0 Then GoTo Err_Connect
   
   Exit Sub

Err_Connect:
   Me.ErrorNum = rc
   Me.ErrorMsg = WnetError(rc)

End Sub

Public Sub DisConnect(sDrive As String)
   
   On Error GoTo Err_DisConnect
   Me.ErrorNum = 0
   Me.ErrorMsg = ""
   rc = WNetCancelConnection(sDrive + Chr(0), 0)
   If rc <> 0 Then GoTo Err_DisConnect
   
   Exit Sub
Err_DisConnect:
   Me.ErrorNum = rc
   Me.ErrorMsg = WnetError(rc)

End Sub

Private Function WnetError(Errcode As Long) As String

   Select Case Errcode
      Case WN_Not_Supported:
         WnetError = "Function is not supported."
      Case WN_Out_Of_Memory:
         WnetError = "Out of Memory."
      Case WN_Net_Error:
         WnetError = "An error occurred on the network."
      Case WN_Bad_Pointer:
         WnetError = "The Pointer was Invalid."
      Case WN_Bad_NetName:
         WnetError = "Invalid Network Resource Name."
      Case WN_Bad_Password:
         WnetError = "The Password was Invalid."
      Case WN_Bad_Localname:
         WnetError = "The local device name was invalid."
      Case WN_Access_Denied:
         WnetError = "A security violation occurred."
      Case WN_Already_Connected:
         WnetError = "The local device was connected to a remote resource."
      Case Else:
         WnetError = "Unrecognized Error " + str(Errcode) + "."
   End Select

End Function


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Expert Comment

by:Mirkwood
ID: 1433818
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