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Private Const RESOURCETYPE_ANY = &H0
Private Const RESOURCE_CONNECTED = &H1
Private Type NETRESOURCE
    dwScope As Long
    dwType As Long
    dwDisplayType As Long
    dwUsage As Long
    lpLocalName As Long
    lpRemoteName As Long
    lpComment As Long
    lpProvider As Long
End Type
Private 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 "WNetEnumResourceA" (ByVal hEnum As Long, lpcCount As Long, lpBuffer As Any, lpBufferSize As Long) As Long
Private Declare Function WNetCloseEnum Lib "mpr.dll" (ByVal hEnum As Long) As Long
Private Declare Function lstrlen Lib "kernel32" Alias "lstrlenA" (ByVal lpString As Any) As Long
Private Declare Function lstrcpy Lib "kernel32" Alias "lstrcpyA" (ByVal lpString1 As Any, ByVal lpString2 As Any) As Long
Function LetterToUNC(DriveLetter As String) As String
    Dim hEnum As Long
    Dim NetInfo(1023) As NETRESOURCE
    Dim entries As Long
    Dim nStatus As Long
    Dim LocalName As String
    Dim UNCName As String
    Dim i As Long
    Dim r As Long

    ' Begin the enumeration
    nStatus = WNetOpenEnum(RESOURCE_CONNECTED, RESOURCETYPE_ANY, 0&, ByVal 0&, hEnum)

    LetterToUNC = DriveLetter

    'Check for success from open enum
    If ((nStatus = 0) And (hEnum <> 0)) Then
        ' Set number of entries
        entries = 1024

        ' Enumerate the resource
        nStatus = WNetEnumResource(hEnum, entries, NetInfo(0), CLng(Len(NetInfo(0))) * 1024)

        ' Check for success
        If nStatus = 0 Then
            For i = 0 To entries - 1
                ' Get the local name
                LocalName = ""
                If NetInfo(i).lpLocalName <> 0 Then
                    LocalName = Space(lstrlen(NetInfo(i).lpLocalName) + 1)
                    r = lstrcpy(LocalName, NetInfo(i).lpLocalName)
                End If

                ' Strip null character from end
                If Len(LocalName) <> 0 Then
                    LocalName = Left(LocalName, (Len(LocalName) - 1))
                End If

                If UCase$(LocalName) = UCase$(DriveLetter) Then
                    ' Get the remote name
                    UNCName = ""
                    If NetInfo(i).lpRemoteName <> 0 Then
                        UNCName = Space(lstrlen(NetInfo(i).lpRemoteName) + 1)
                        r = lstrcpy(UNCName, NetInfo(i).lpRemoteName)
                    End If

                    ' Strip null character from end
                    If Len(UNCName) <> 0 Then
                        UNCName = Left(UNCName, (Len(UNCName) - 1))
                    End If

                    ' Return the UNC path to drive
                    'added the [] to seperate on printout only
                    LetterToUNC = UNCName

                    ' Exit the loop
                    Exit For
                End If
            Next i
        End If
    End If

    ' End enumeration
    nStatus = WNetCloseEnum(hEnum)
End Function
Private Sub Form_Load()
    'KPD-Team 1999
    'URL: http://www.allapi.net/
    'E-Mail: KPDTeam@Allapi.net
    '-> This sample was created by Donald Grover
    MsgBox "C: UNC path: " + LetterToUNC("C:")
End Sub


 
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