vb.net虚拟磁盘 windows 虚拟磁盘

用VB.NET 怎么编映射网络磁盘

本来可以用简单的dos命令的，但是影射成功与否返回不理想，建议用API，见下面

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Module LocalNetConnect'模块,直接复制即可

Public Declare Function WNetAddConnection2 Lib "mpr.dll" Alias "WNetAddConnection2A" (ByRef lpNetResource As NETRESOURCE, ByVal lpPassword As String, ByVal lpUserName As String, ByVal dwFlags As Integer) As Integer

Public Declare Function WNetCancelConnection2 Lib "mpr.dll" Alias "WNetCancelConnection2A" (ByVal lpName As String, ByVal dwFlags As Integer, ByVal fForce As Integer) As Integer

Public Structure NETRESOURCE

Dim dwScope As Integer

Dim dwType As Integer

Dim dwDisplayType As Integer

Dim dwUsage As Integer

Dim lpLocalName As String

Dim lpRemoteName As String

Dim lpComment As String

Dim lpProvider As String

End Structure

Public Function netconnect(ByVal localDrive As String, ByVal sharePath As String, ByVal userName As String, ByVal UserPassword As String) As Boolean

Dim NetR As New NETRESOURCE

Dim ErrInfo As Integer

NetR.dwScope = 2

NetR.dwType = 1

NetR.dwDisplayType = 3

NetR.dwUsage = 1

'设置驱动器

NetR.lpLocalName = localDrive

'设置远程端口名字

NetR.lpRemoteName = sharePath

'设置连接

ErrInfo = WNetAddConnection2(NetR, UserPassword, userName, 1)

If ErrInfo = 0 Then

Return True

Else

Return False

End If

End Function

Public Function netdisconnect(ByVal localDrive As String) As Boolean

Dim ErrInfo As Integer

ErrInfo = WNetCancelConnection2(localDrive, 1, False)

If ErrInfo = 0 Then

Return True

Else

Return False

End If

End Function

End Module

‘调用

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

'这里是映射调用，administrator为用户名，根据实际用户名

’如果将“Z:”设置为空就不会网络盘映射但是已经和172.26.120.47联机了（返回真时成立)。

If netconnect("Z:", "\\172.26.120.47\c$", "administrator", "局域网电脑实际密码") = True Then

MsgBox("success")

Else

MsgBox("Faile")

End If

End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click'这里是取消映射

If netdisconnect("Z:") = True Then

MsgBox("success")

Else

MsgBox("Faile")

End If

End Sub

u 盘里面的 vb.net2010怎么安装？？？

如果是ISO格式的话，用虚拟光驱来安装。如果是RAR文件，复制到电脑里，解压出来，选择Autorun.exe或Autorun.exe来安装就可以了

VB.NET窗体内容很多,会不会导致窗体最小化后在还原时很卡?

所谓的“上位机传数据”，是指系统收到端口信息后，触发你代码中相应对象的事件，然后在事件处理代码中把数据写到窗体上的。不管你内容多少，还原和最小化的运行速度都和上位机本身没有关系，你看很多程序在最小化还原后很卡，要么是程序写了很多还原时触发的代码，要么是系统内存不够，把窗体移到虚拟内存(硬盘)里了。你可以用代码在窗体失去焦点激活的时候(Deactived事件)停止接收数据，还原时(Actived事件)再恢复

vb.net 磁盘文件列表，界面如图，在.net下如何实现？

预先准备三个图标文件，用于树型控件中显示磁盘符号和文件夹的图像之用。

1、窗体上添加控件如下：

组合框控件 ComboBox1，树型控件 TreeView1，列表框控件 ListBox1，图像列表控件 ImageList1。

选中TreeView1，设置其ImageList属性为ImageList1。

2、设置属性

选中图像列表控件 ImageList1，在属性窗口里，选中属性Images，单击三个小点按钮，出现图像集合编辑器窗口，单击[添加按钮]，一一把准备好的图标文件进行添加，注意先后次序，如果不符合要求可以通过上下移动按钮重新改变次序。完成后单击[确定]。

运行图如下：

完整代码如下：

Imports System.IO

Public Class Form1

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

'添加系统所有磁盘目录符号

For Each MyDrive As String In Environment.GetLogicalDrives()

ComboBox1.Items.Add(MyDrive)

'显示第一个磁盘符号

ComboBox1.Text = ComboBox1.Items(0)

End Sub

'递归过程添加目录树

Public Sub AddDirectory(ByVal strFatherPath As String, ByVal strPath As String, ByVal nodeFather As TreeNode)

Dim i As Integer

Dim Mynode As New TreeNode

'先添加本目录

Mynode.Text = Strings.Replace(strPath, strFatherPath "\", "", , 1)

'为节点指定未被选中时显示的图标

Mynode.ImageIndex = 1

'为节点指定被选中时显示的图标

Mynode.SelectedImageIndex = 2

nodeFather.Nodes.Add(Mynode)

Application.DoEvents()

Try

Dim str() As String = Directory.GetDirectories(strPath)

'递归遍历该目录的子文件夹

For i = 0 To str.GetUpperBound(0)

AddDirectory(strPath, str(i), Mynode)

Catch ex As Exception

Debug.WriteLine(ex.Message)

End Try

Mynode = Nothing

End Sub

'根据给出的盘符添加目录树

Private Sub AddRootDirectory(ByVal DiscSymbol As String)

Dim Nynode As New TreeNode

'先把磁盘盘符添加到树中

TreeView1.Nodes.Clear()

Nynode.ImageIndex = 0

Nynode.Text = DiscSymbol

Nynode.SelectedImageIndex = -1

TreeView1.Nodes.Add(Nynode)

Dim i As Integer

'获取磁盘根目录下的文件夹

Dim str() As String = Directory.GetDirectories(DiscSymbol "\")

For i = 0 To str.GetUpperBound(0)

'调用递归过程遍历该文件夹里的所有子文件夹，并添加到树型控件

AddDirectory(DiscSymbol, str(i), Nynode)

Nynode = Nothing

End Sub

Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged

'根据磁盘符号的变更，显示根目录里的文件

ListBox1.Items.Clear()

For Each MyFile As String In System.IO.Directory.GetFiles(ComboBox1.Text)

ListBox1.Items.Add(MyFile)

'根据磁盘符号的变更，重新显示目录树

Dim DiscSymbol As String

DiscSymbol = Microsoft.VisualBasic.Left(ComboBox1.Text, Len(ComboBox1.Text) - 1)

Call AddRootDirectory(DiscSymbol)

End Sub

'递归过程根据子目录寻找上级目录名--从而构成完整的目录路径

Private Sub AllPath(ByVal ThisNode As TreeNode, ByRef MyPathName As String)

If ThisNode.Level 1 Then

'该节点层数大于1，其父节点不是磁盘根目录

MyPathName = ThisNode.Parent.Text "\" MyPathName

Dim MyNode As TreeNode = ThisNode.Parent

Call AllPath(MyNode, MyPathName)

Else

'该节点层数等于1，其父节点就是磁盘根目录

MyPathName = ComboBox1.Text MyPathName

End If

End Sub

Private Sub TreeView1_AfterSelect(ByVal sender As System.Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles TreeView1.AfterSelect

'为了搜索选中的节点对应目录的文件，需要组成全路径

Dim MyAllPathName As String = TreeView1.SelectedNode.Text

Dim MyNode As TreeNode = TreeView1.SelectedNode

If TreeView1.SelectedNode.Level = 0 Then

'如果选中的是根节点

MyAllPathName = ComboBox1.Text

Else

'如果选中的是非根节点，调用递归过程组成全路径

Call AllPath(MyNode, MyAllPathName)

MyAllPathName = MyAllPathName "\"

End If

'根据路径，搜索文件名并显示

ListBox1.Items.Clear()

For Each MyFile As String In System.IO.Directory.GetFiles(MyAllPathName)

ListBox1.Items.Add(MyFile)

End Sub

End Class

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vb.net虚拟磁盘 windows 虚拟磁盘

用VB.NET 怎么编映射网络磁盘

u 盘里面的 vb.net2010怎么安装？？？

VB.NET窗体内容很多,会不会导致窗体最小化后在还原时很卡?

vb.net 磁盘文件列表，界面如图，在.net下如何实现？

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