?? 如何調用windows中映射網絡驅動器的對話框.txt
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你可以調用WNetConnectionDialog函數,這個函數將顯示標準的映射對話框。該函數只有兩個參數,第一個為調用該函數的窗口句柄,第二個參數為RESOURCETYPE_DISK。
另外,你也可以不顯示對話框直接WNetAddConnection2映射驅動器。下面是一個例子:
1、建立一個標準的EXE工程。
2、添加一個模塊到工程。
3、復制并粘貼下面的代碼到新添加的模塊:
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
Declare Function WNetCancelConnection2 Lib "mpr.dll" Alias _
"WNetCancelConnection2A" (ByVal lpName As String, _
ByVal dwFlags As Long, ByVal fForce As Long) As Long
Type NETRESOURCE
dwScope As Long
dwType As Long
dwDisplayType As Long
dwUsage As Long
lpLocalName As String
lpRemoteName As String
lpComment As String
lpProvider As String
End Type
Public Const NO_ERROR = 0
Public Const CONNECT_UPDATE_PROFILE = &H1
' The following includes all the constants defined for NETRESOURCE,
' not just the ones used in this example.
Public Const RESOURCETYPE_DISK = &H1
Public Const RESOURCETYPE_PRINT = &H2
Public Const RESOURCETYPE_ANY = &H0
Public Const RESOURCE_CONNECTED = &H1
Public Const RESOURCE_REMEMBERED = &H3
Public Const RESOURCE_GLOBALNET = &H2
Public Const RESOURCEDISPLAYTYPE_DOMAIN = &H1
Public Const RESOURCEDISPLAYTYPE_GENERIC = &H0
Public Const RESOURCEDISPLAYTYPE_SERVER = &H2
Public Const RESOURCEDISPLAYTYPE_SHARE = &H3
Public Const RESOURCEUSAGE_CONNECTABLE = &H1
Public Const RESOURCEUSAGE_CONTAINER = &H2
' Error Constants:
Public Const ERROR_ACCESS_DENIED = 5&
Public Const ERROR_ALREADY_ASSIGNED = 85&
Public Const ERROR_BAD_DEV_TYPE = 66&
Public Const ERROR_BAD_DEVICE = 1200&
Public Const ERROR_BAD_NET_NAME = 67&
Public Const ERROR_BAD_PROFILE = 1206&
Public Const ERROR_BAD_PROVIDER = 1204&
Public Const ERROR_BUSY = 170&
Public Const ERROR_CANCELLED = 1223&
Public Const ERROR_CANNOT_OPEN_PROFILE = 1205&
Public Const ERROR_DEVICE_ALREADY_REMEMBERED = 1202&
Public Const ERROR_EXTENDED_ERROR = 1208&
Public Const ERROR_INVALID_PASSWORD = 86&
Public Const ERROR_NO_NET_OR_BAD_PATH = 1203&
4、添加兩個按鈕到Form1:Command1和Command2。
5、添加下面的代碼到Form1,使用合法的名字替換"\\ServerName\ShareName":
Option Explicit
Private Sub Command1_Click()
Dim NetR As NETRESOURCE
Dim ErrInfo As Long
Dim MyPass As String, MyUser As String
NetR.dwScope = RESOURCE_GLOBALNET
NetR.dwType = RESOURCETYPE_DISK
NetR.dwDisplayType = RESOURCEDISPLAYTYPE_SHARE
NetR.dwUsage = RESOURCEUSAGE_CONNECTABLE
NetR.lpLocalName = "X:" ' If undefined, Connect with no device
NetR.lpRemoteName = "\\ServerName\ShareName" ' Your valid share
'NetR.lpComment = "Optional Comment"
'NetR.lpProvider = ' Leave this undefined
' If the MyPass and MyUser arguments are null (use vbNullString), the
' user context for the process provides the default user name.
ErrInfo = WNetAddConnection2(NetR, MyPass, MyUser, _
CONNECT_UPDATE_PROFILE)
If ErrInfo = NO_ERROR Then
MsgBox "Net Connection Successful!", vbInformation, _
"Share Connected"
Else
MsgBox "ERROR: " & ErrInfo & " - Net Connection Failed!", _
vbExclamation, "Share not Connected"
End If
End Sub
Private Sub Command2_Click()
Dim ErrInfo As Long
Dim strLocalName As String
' You may specify either the lpRemoteName or lpLocalName
'strLocalName = "\\ServerName\ShareName"
strLocalName = "X:"
ErrInfo = WNetCancelConnection2(strLocalName, _
CONNECT_UPDATE_PROFILE, False)
If ErrInfo = NO_ERROR Then
MsgBox "Net Disconnection Successful!", vbInformation, _
"Share Disconnected"
Else
MsgBox "ERROR: " & ErrInfo & " - Net Disconnection Failed!", _
vbExclamation, "Share not Disconnected"
End If
End Sub
<END>
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