这是一个例子： '需要一个class模块(CprgNetShareGetInfo)，一个窗体，在上面放一个Labe(m_lblStatus)Option Explicit'local variable(s) to hold property value(s) Private mvarstrServer As Variant 'local copy Private mvarstrNetName As Variant 'local copy Private mvarnType As Long 'local copy Private mvarstrRe As Variant 'local copy Private mvarnCurrent_uses As Long 'local copy Private mvarnMax_uses As Long 'local copy Private mvarstrPath As Variant 'local copy Private mvarnLastError As Long 'local copy Private mvarstrLastError As Variant 'local copy Private mvarNET_API_STATUS As Long 'local copy'local variable(s) to hold internal value(s)' Private constants, types and declares to call 'Const STYPE_DISKTREE As Long = 0 Const STYPE_PRINTQ As Long = 1 Const STYPE_DEVICE As Long = 2 Const STYPE_IPC As Long = 3 Const STYPE_SPECIAL As Long = &H80000000Const ERROR_SUCCESS As Long = 0& Const NERR_Success As Long = 0& Const ERROR_ACCESS_DENIED As Long = 5& Const ERROR_INVALID_LEVEL As Long = 124& Const ERROR_INVALID_PARAMETER As Long = 87& Const ERROR_MORE_DATA As Long = 234& Const ERROR_NOT_ENOUGH_MEMORY As Long = 8& Const ERROR_INVALID_NAME As Long = 123&Const NERR_BASE As Long = 2100& Const NERR_NetNameNotFound As Long = (NERR_BASE + 210) Private Type SHARE_INFO_502 shi502_netname As Long ' LPWSTR shi502_netname; shi502_type As Long ' DWORD shi502_type; shi502_re As Long ' LPWSTR shi502_re; shi502_permissions As Long ' DWORD shi502_permissions; shi502_max_uses As Long ' DWORD shi502_max_uses; shi502_current_uses As Long ' DWORD shi502_current_uses; shi502_path As Long ' LPWSTR shi502_path; shi502_passwd As Long ' LPWSTR shi502_passwd; shi502_reserved As Long ' DWORD shi502_reserved; shi502_security_descriptor As Long ' PSECURITY_DESCRIPTOR shi502_security_descriptor; End Type'NET_API_STATUS NET_API_FUNCTION 'NetShareGetInfo ( ' IN LPTSTR servername, ' IN LPTSTR netname, ' IN DWORD level, ' OUT LPBYTE * bufptr ' ); Private Declare Function NetShareGetInfo Lib "Netapi32.dll" _ ( _ strServerName As Any, _ strNetName As Any, _ ByVal nLevel As Long, _ pBuffer As Long _ ) As LongPrivate Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" _ ( _ Destination As Any, _ ByVal Source As Any, _ ByVal Length As Long _ )Private Declare Function NetApiBufferFree Lib "Netapi32.dll" _ ( _ ByVal lpBuffer As Long _ ) As LongPrivate Declare Sub lstrcpyW Lib "kernel32" _ ( _ dest As Any, _ ByVal src As Any _ )Private Declare Function lstrlenW Lib "kernel32" _ ( _ ByVal lpszString As Any _ ) As LongPublic Property Get NET_API_STATUS() As Long 'used when retrieving value of a property, on the right side of an assignment. 'Syntax: Debug.Print X.NET_API_STATUS NET_API_STATUS = mvarNET_API_STATUS End PropertyPublic Property Get strLastError() As Variant 'used when retrieving value of a property, on the right side of an assignment. 'Syntax: Debug.Print X.strLastError If IsObject(mvarstrLastError) Then Set strLastError = mvarstrLastError Else strLastError = mvarstrLastError End If End PropertyPublic Property Get nLastError() As Long 'used when retrieving value of a property, on the right side of an assignment. 'Syntax: Debug.Print X.nLastError nLastError = mvarnLastError End PropertyPublic Property Get strPath() As Variant 'used when retrieving value of a property, on the right side of an assignment. 'Syntax: Debug.Print X.strPath If IsObject(mvarstrPath) Then Set strPath = mvarstrPath Else strPath = mvarstrPath End If End PropertyPublic Property Get nMax_uses() As Long 'used when retrieving value of a property, on the right side of an assignment. 'Syntax: Debug.Print X.nMax_uses nMax_uses = mvarnMax_uses End PropertyPublic Property Get nCurrent_uses() As Long 'used when retrieving value of a property, on the right side of an assignment. 'Syntax: Debug.Print X.nCurrent_uses nCurrent_uses = mvarnCurrent_uses End PropertyPublic Property Get strRe() As Variant 'used when retrieving value of a property, on the right side of an assignment. 'Syntax: Debug.Print X.strRe If IsObject(mvarstrRe) Then Set strRe = mvarstrRe Else strRe = mvarstrRe End If End PropertyPublic Property Get nType() As Long 'used when retrieving value of a property, on the right side of an assignment. 'Syntax: Debug.Print X.nType nType = mvarnType End PropertyPublic Property Get strType() As Variant 'used when retrieving value of a property, on the right side of an assignment. 'Syntax: Debug.Print X.strType Select Case mvarnType Case STYPE_DISKTREE strType = "Disk Drive" Case STYPE_PRINTQ strType = "Print Queue" Case STYPE_DEVICE strType = "Communication device" Case STYPE_IPC strType = "Interprocess communication (IPC)" Case STYPE_SPECIAL strType = "Special share" Case Else strType = "Error: Unknown" End Select End PropertyPublic Property Get strNetName() As Variant 'used when retrieving value of a property, on the right side of an assignment. 'Syntax: Debug.Print X.strNetName If IsObject(mvarstrNetName) Then Set strNetName = mvarstrNetName Else strNetName = mvarstrNetName End If End PropertyPublic Property Get strServer() As Variant 'used when retrieving value of a property, on the right side of an assignment. 'Syntax: Debug.Print X.strServer If IsObject(mvarstrServer) Then Set strServer = mvarstrServer Else strServer = mvarstrServer End If End Property Public Sub Initialize()
End Sub Public Sub GetInfo(strShareName As Variant) Dim pNetName() As Byte Dim pServer() As Byte Dim ptmpBuffer As Long Dim tmpBuffer As SHARE_INFO_502 Dim strNetName As String Dim x As Integer
Call Initialize
' copy the network share name without leading spaces. ' strNetName = LTrim(strShareName)
' check for leading server in the name. ' If Left(strNetName, 2) = "\\" Then
' find the end of the server in the name ' x = InStr(3, strNetName, "\")
' only a server in the name ' If x = 0 Then mvarnLastError = ERROR_INVALID_NAME mvarstrLastError = "Need share name not server name." Exit Sub Else mvarstrServer = Left(strNetName, x - 1) strNetName = Mid(strNetName, x + 1) End If End If
' strip off any remaining leading ' If Left(strNetName, 1) = "\" Then strNetName = Mid(strNetName, 2) End If
' Find the end of the share name. ' x = InStr(strNetName, "\") If x > 0 Then strNetName = Left(strNetName, x - 1) End If
' Check for drive letter ' x = InStr(strNetName, ":") If x > 0 Then mvarnLastError = ERROR_INVALID_NAME mvarstrLastError = "Drive letter specified for share name." Exit Sub End If
' Convert the string to a UNI string, happens automatically. ' pNetName = strNetName & vbNullChar
If Len(mvarstrServer) > 0 Then
' format the server name ' If Left(mvarstrServer, 2) = "\\" Then pServer = mvarstrServer & vbNullChar Else pServer = "\\" & mvarstrServer & vbNullChar End If ' Get the network infomation on the share. ' mvarNET_API_STATUS = NetShareGetInfo _ ( _ pServer(0), _ pNetName(0), _ 502, _ ptmpBuffer _ ) Else ' Get the network infomation on the share. ' NOTE: the first parameter is the server name, by sending a ' null you are only looking at the current machine. ' mvarNET_API_STATUS = NetShareGetInfo _ ( _ vbEmpty, _ pNetName(0), _ 502, _ ptmpBuffer _ ) End If
' Check for errors. ' If mvarNET_API_STATUS <> NERR_Success Then Select Case mvarNET_API_STATUS Case ERROR_ACCESS_DENIED mvarstrLastError = "NetShareGetInfo: ERROR_ACCESS_DENIED" Case ERROR_INVALID_LEVEL mvarstrLastError = "NetShareGetInfo: ERROR_INVALID_LEVEL" Case ERROR_INVALID_PARAMETER mvarstrLastError = "NetShareGetInfo: ERROR_INVALID_PARAMETER" Case ERROR_MORE_DATA mvarstrLastError = "NetShareGetInfo: ERROR_MORE_DATA" Case ERROR_NOT_ENOUGH_MEMORY mvarstrLastError = "NetShareGetInfo: ERROR_NOT_ENOUGH_MEMORY" Case ERROR_INVALID_NAME mvarstrLastError = "NetShareGetInfo: ERROR_INVALID_NAME" Case NERR_NetNameNotFound mvarstrLastError = "NetShareGetInfo: NERR_NetNameNotFound" Case Else mvarstrLastError = "NetShareGetInfo: Unknown " & mvarNET_API_STATUS End Select mvarnLastError = mvarNET_API_STATUS Exit Sub End If ' Copy the return buffer to a type definition for processing. ' Call CopyMemory(tmpBuffer, ptmpBuffer, LenB(tmpBuffer))
' Free the buffer. ' mvarNET_API_STATUS = NetApiBufferFree(ptmpBuffer)
' Check for errors. ' If mvarNET_API_STATUS <> ERROR_SUCCESS Then mvarnLastError = mvarNET_API_STATUS mvarstrLastError = "NetApiBufferFree: Unknown" Exit Sub End If End Sub Private Function UtoA(pUNIstring As Long) As String Dim wrkByte() As Byte Dim wrkStr As String ' Get space for string each character is two bytes ' and a null terminator. ' ReDim wrkByte(lstrlenW(pUNIstring) * 2 + 2)
' Copy the string to a byte array ' Call lstrcpyW(wrkByte(0), pUNIstring)
' Covert the string from a UNI string to a ASCII string. ' this happens automatically when a byte array is copied ' to a string. ' wrkStr = wrkByte
' return everything upto the the null terminator. ' UtoA = Left(wrkStr, InStr(wrkStr, Chr(0)) - 1) End Function'In a form Option Explicit Private Sub Form_Load() m_lblStatus.Caption = ""
' Good test - admin share ' TestShareGetInfo "admin$"
' Good test - share with leading slash ' TestShareGetInfo "\admin$"
' Good test - share with trailing slash ' TestShareGetInfo "admin$\"
' Good test - share with trailing slash ' TestShareGetInfo "\admin$\"
' Good test ' TestShareGetInfo "testdata"
' Good test - should not have server name, but we fix that ' TestShareGetInfo "\\lee\testdata"
' Good test - should not have server name, but we fix that ' TestShareGetInfo "\\lee\admin$"
' *** Good test - remote server ' TestShareGetInfo "\\maggie\admin$" ' *** Bad test - no share ' TestShareGetInfo "NoShareCalledThis" ' *** Bad test - no remote share ' TestShareGetInfo "\\maggie\NoShareCalledThis"End Sub Private Sub TestShareGetInfo(strShare As String) Dim x As New CprgNetShareGetInfo
NetShareEnum 列举所有的共享资源（某个机器的）
NetShareGetInfo （获得指定的共享资源信息）
不知怎么联系大侠？
'需要一个class模块(CprgNetShareGetInfo)，一个窗体，在上面放一个Labe(m_lblStatus)Option Explicit'local variable(s) to hold property value(s)
Private mvarstrServer As Variant 'local copy
Private mvarstrNetName As Variant 'local copy
Private mvarnType As Long 'local copy
Private mvarstrRe As Variant 'local copy
Private mvarnCurrent_uses As Long 'local copy
Private mvarnMax_uses As Long 'local copy
Private mvarstrPath As Variant 'local copy
Private mvarnLastError As Long 'local copy
Private mvarstrLastError As Variant 'local copy
Private mvarNET_API_STATUS As Long 'local copy'local variable(s) to hold internal value(s)' Private constants, types and declares to call
'Const STYPE_DISKTREE As Long = 0
Const STYPE_PRINTQ As Long = 1
Const STYPE_DEVICE As Long = 2
Const STYPE_IPC As Long = 3
Const STYPE_SPECIAL As Long = &H80000000Const ERROR_SUCCESS As Long = 0&
Const NERR_Success As Long = 0&
Const ERROR_ACCESS_DENIED As Long = 5&
Const ERROR_INVALID_LEVEL As Long = 124&
Const ERROR_INVALID_PARAMETER As Long = 87&
Const ERROR_MORE_DATA As Long = 234&
Const ERROR_NOT_ENOUGH_MEMORY As Long = 8&
Const ERROR_INVALID_NAME As Long = 123&Const NERR_BASE As Long = 2100&
Const NERR_NetNameNotFound As Long = (NERR_BASE + 210)
Private Type SHARE_INFO_502
shi502_netname As Long ' LPWSTR shi502_netname;
shi502_type As Long ' DWORD shi502_type;
shi502_re As Long ' LPWSTR shi502_re;
shi502_permissions As Long ' DWORD shi502_permissions;
shi502_max_uses As Long ' DWORD shi502_max_uses;
shi502_current_uses As Long ' DWORD shi502_current_uses;
shi502_path As Long ' LPWSTR shi502_path;
shi502_passwd As Long ' LPWSTR shi502_passwd;
shi502_reserved As Long ' DWORD shi502_reserved;
shi502_security_descriptor As Long ' PSECURITY_DESCRIPTOR shi502_security_descriptor;
End Type'NET_API_STATUS NET_API_FUNCTION
'NetShareGetInfo (
' IN LPTSTR servername,
' IN LPTSTR netname,
' IN DWORD level,
' OUT LPBYTE * bufptr
' );
Private Declare Function NetShareGetInfo Lib "Netapi32.dll" _
( _
strServerName As Any, _
strNetName As Any, _
ByVal nLevel As Long, _
pBuffer As Long _
) As LongPrivate Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" _
( _
Destination As Any, _
ByVal Source As Any, _
ByVal Length As Long _
)Private Declare Function NetApiBufferFree Lib "Netapi32.dll" _
( _
ByVal lpBuffer As Long _
) As LongPrivate Declare Sub lstrcpyW Lib "kernel32" _
( _
dest As Any, _
ByVal src As Any _
)Private Declare Function lstrlenW Lib "kernel32" _
( _
ByVal lpszString As Any _
) As LongPublic Property Get NET_API_STATUS() As Long
'used when retrieving value of a property, on the right side of an assignment.
'Syntax: Debug.Print X.NET_API_STATUS
NET_API_STATUS = mvarNET_API_STATUS
End PropertyPublic Property Get strLastError() As Variant
'used when retrieving value of a property, on the right side of an assignment.
'Syntax: Debug.Print X.strLastError
If IsObject(mvarstrLastError) Then
Set strLastError = mvarstrLastError
Else
strLastError = mvarstrLastError
End If
End PropertyPublic Property Get nLastError() As Long
'used when retrieving value of a property, on the right side of an assignment.
'Syntax: Debug.Print X.nLastError
nLastError = mvarnLastError
End PropertyPublic Property Get strPath() As Variant
'used when retrieving value of a property, on the right side of an assignment.
'Syntax: Debug.Print X.strPath
If IsObject(mvarstrPath) Then
Set strPath = mvarstrPath
Else
strPath = mvarstrPath
End If
End PropertyPublic Property Get nMax_uses() As Long
'used when retrieving value of a property, on the right side of an assignment.
'Syntax: Debug.Print X.nMax_uses
nMax_uses = mvarnMax_uses
End PropertyPublic Property Get nCurrent_uses() As Long
'used when retrieving value of a property, on the right side of an assignment.
'Syntax: Debug.Print X.nCurrent_uses
nCurrent_uses = mvarnCurrent_uses
End PropertyPublic Property Get strRe() As Variant
'used when retrieving value of a property, on the right side of an assignment.
'Syntax: Debug.Print X.strRe
If IsObject(mvarstrRe) Then
Set strRe = mvarstrRe
Else
strRe = mvarstrRe
End If
End PropertyPublic Property Get nType() As Long
'used when retrieving value of a property, on the right side of an assignment.
'Syntax: Debug.Print X.nType
nType = mvarnType
End PropertyPublic Property Get strType() As Variant
'used when retrieving value of a property, on the right side of an assignment.
'Syntax: Debug.Print X.strType
Select Case mvarnType
Case STYPE_DISKTREE
strType = "Disk Drive"
Case STYPE_PRINTQ
strType = "Print Queue"
Case STYPE_DEVICE
strType = "Communication device"
Case STYPE_IPC
strType = "Interprocess communication (IPC)"
Case STYPE_SPECIAL
strType = "Special share"
Case Else
strType = "Error: Unknown"
End Select
End PropertyPublic Property Get strNetName() As Variant
'used when retrieving value of a property, on the right side of an assignment.
'Syntax: Debug.Print X.strNetName
If IsObject(mvarstrNetName) Then
Set strNetName = mvarstrNetName
Else
strNetName = mvarstrNetName
End If
End PropertyPublic Property Get strServer() As Variant
'used when retrieving value of a property, on the right side of an assignment.
'Syntax: Debug.Print X.strServer
If IsObject(mvarstrServer) Then
Set strServer = mvarstrServer
Else
strServer = mvarstrServer
End If
End Property
Public Sub Initialize()
' Reset the everything
'
mvarnLastError = 0
mvarstrLastError = ""
mvarstrServer = ""
mvarstrNetName = ""
mvarnType = 0
mvarstrRe = ""
mvarnCurrent_uses = 0
mvarnMax_uses = 0
mvarstrPath = ""
End Sub
Public Sub GetInfo(strShareName As Variant)
Dim pNetName() As Byte
Dim pServer() As Byte
Dim ptmpBuffer As Long
Dim tmpBuffer As SHARE_INFO_502
Dim strNetName As String
Dim x As Integer
Call Initialize
' copy the network share name without leading spaces.
'
strNetName = LTrim(strShareName)
' check for leading server in the name.
'
If Left(strNetName, 2) = "\\" Then
' find the end of the server in the name
'
x = InStr(3, strNetName, "\")
' only a server in the name
'
If x = 0 Then
mvarnLastError = ERROR_INVALID_NAME
mvarstrLastError = "Need share name not server name."
Exit Sub
Else
mvarstrServer = Left(strNetName, x - 1)
strNetName = Mid(strNetName, x + 1)
End If
End If
' strip off any remaining leading '
If Left(strNetName, 1) = "\" Then
strNetName = Mid(strNetName, 2)
End If
' Find the end of the share name.
'
x = InStr(strNetName, "\")
If x > 0 Then
strNetName = Left(strNetName, x - 1)
End If
' Check for drive letter
'
x = InStr(strNetName, ":")
If x > 0 Then
mvarnLastError = ERROR_INVALID_NAME
mvarstrLastError = "Drive letter specified for share name."
Exit Sub
End If
' Convert the string to a UNI string, happens automatically.
'
pNetName = strNetName & vbNullChar
If Len(mvarstrServer) > 0 Then
' format the server name
'
If Left(mvarstrServer, 2) = "\\" Then
pServer = mvarstrServer & vbNullChar
Else
pServer = "\\" & mvarstrServer & vbNullChar
End If
' Get the network infomation on the share.
'
mvarNET_API_STATUS = NetShareGetInfo _
( _
pServer(0), _
pNetName(0), _
502, _
ptmpBuffer _
)
Else
' Get the network infomation on the share.
' NOTE: the first parameter is the server name, by sending a
' null you are only looking at the current machine.
'
mvarNET_API_STATUS = NetShareGetInfo _
( _
vbEmpty, _
pNetName(0), _
502, _
ptmpBuffer _
)
End If
' Check for errors.
'
If mvarNET_API_STATUS <> NERR_Success Then
Select Case mvarNET_API_STATUS
Case ERROR_ACCESS_DENIED
mvarstrLastError = "NetShareGetInfo: ERROR_ACCESS_DENIED"
Case ERROR_INVALID_LEVEL
mvarstrLastError = "NetShareGetInfo: ERROR_INVALID_LEVEL"
Case ERROR_INVALID_PARAMETER
mvarstrLastError = "NetShareGetInfo: ERROR_INVALID_PARAMETER"
Case ERROR_MORE_DATA
mvarstrLastError = "NetShareGetInfo: ERROR_MORE_DATA"
Case ERROR_NOT_ENOUGH_MEMORY
mvarstrLastError = "NetShareGetInfo: ERROR_NOT_ENOUGH_MEMORY"
Case ERROR_INVALID_NAME
mvarstrLastError = "NetShareGetInfo: ERROR_INVALID_NAME"
Case NERR_NetNameNotFound
mvarstrLastError = "NetShareGetInfo: NERR_NetNameNotFound"
Case Else
mvarstrLastError = "NetShareGetInfo: Unknown " & mvarNET_API_STATUS
End Select
mvarnLastError = mvarNET_API_STATUS
Exit Sub
End If ' Copy the return buffer to a type definition for processing.
'
Call CopyMemory(tmpBuffer, ptmpBuffer, LenB(tmpBuffer))
' save the return buffer information.
'
mvarstrNetName = UtoA(tmpBuffer.shi502_netname)
mvarnType = tmpBuffer.shi502_type
mvarstrRe = UtoA(tmpBuffer.shi502_re)
mvarnCurrent_uses = tmpBuffer.shi502_current_uses
mvarnMax_uses = tmpBuffer.shi502_max_uses
mvarstrPath = UtoA(tmpBuffer.shi502_path)
' Free the buffer.
'
mvarNET_API_STATUS = NetApiBufferFree(ptmpBuffer)
' Check for errors.
'
If mvarNET_API_STATUS <> ERROR_SUCCESS Then
mvarnLastError = mvarNET_API_STATUS
mvarstrLastError = "NetApiBufferFree: Unknown"
Exit Sub
End If
End Sub
Private Function UtoA(pUNIstring As Long) As String
Dim wrkByte() As Byte
Dim wrkStr As String ' Get space for string each character is two bytes
' and a null terminator.
'
ReDim wrkByte(lstrlenW(pUNIstring) * 2 + 2)
' Copy the string to a byte array
'
Call lstrcpyW(wrkByte(0), pUNIstring)
' Covert the string from a UNI string to a ASCII string.
' this happens automatically when a byte array is copied
' to a string.
'
wrkStr = wrkByte
' return everything upto the the null terminator.
'
UtoA = Left(wrkStr, InStr(wrkStr, Chr(0)) - 1)
End Function'In a form
Option Explicit
Private Sub Form_Load()
m_lblStatus.Caption = ""
' Good test - admin share
'
TestShareGetInfo "admin$"
' Good test - share with leading slash
'
TestShareGetInfo "\admin$"
' Good test - share with trailing slash
'
TestShareGetInfo "admin$\"
' Good test - share with trailing slash
'
TestShareGetInfo "\admin$\"
' Good test
'
TestShareGetInfo "testdata"
' Good test - should not have server name, but we fix that
'
TestShareGetInfo "\\lee\testdata"
' Good test - should not have server name, but we fix that
'
TestShareGetInfo "\\lee\admin$"
' *** Good test - remote server
'
TestShareGetInfo "\\maggie\admin$" ' *** Bad test - no share
'
TestShareGetInfo "NoShareCalledThis" ' *** Bad test - no remote share
'
TestShareGetInfo "\\maggie\NoShareCalledThis"End Sub
Private Sub TestShareGetInfo(strShare As String)
Dim x As New CprgNetShareGetInfo
m_lblStatus.Caption = m_lblStatus.Caption _
& "Test Share: " & strShare & " = " x.GetInfo strShare
If x.nLastError = 0 Then
m_lblStatus.Caption = m_lblStatus.Caption _
& vbCrLf & " Server: " & x.strServer _
& " Path: " & x.strPath & vbCrLf
Else
m_lblStatus.Caption = m_lblStatus.Caption _
& vbCrLf & " Error: " _
& x.nLastError & " " & x.strLastError & vbCrLf
End If
End Sub
很多是从网上来的，下面是地址：
www.mvps.org/vbnet
www.allapi.net
www.vbaccelerator.com