vb.net获取系统盘的简单介绍
vb.net如何获得某个电脑中D盘根目录的文件
用Io.Directory.GetFiles("D:\")函数获得一个存放D盘目录文件的字符串数组
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代码：
For Each item As String In IO.Directory.GetFiles("D:\")
ListBox1.Items.Add(item)
Next
运行之后，ListBox1里就会有这些文件
vb.net如何获取电脑中的所有盘符
首先使用 System.IO.DriveInfo.GetDrives()获取System.IO.DriveInfo，存入ds()
然后遍历ds，获取各个信息部分。
Dim ds() As System.IO.DriveInfo = System.IO.DriveInfo.GetDrives()
For i As Integer = 0 To ds.Length - 1
TextBox1.Text = TextBox1.Text + ds(i).DriveType.ToString + " " '驱动器类型
TextBox1.Text = TextBox1.Text + ds(i).Name + " " '盘符（驱动器名）
TextBox1.Text = TextBox1.Text + ds(i).IsReady.ToString + " " '是否就绪
If ds(i).IsReady = True Then
TextBox1.Text = TextBox1.Text + ds(i).VolumeLabel + " " '卷标
TextBox1.Text = TextBox1.Text + ds(i).TotalSize.ToString + " " '驱动器容量
TextBox1.Text = TextBox1.Text + ds(i).TotalFreeSpace.ToString '驱动器可用容量
End If
TextBox1.Text = TextBox1.Text + vbNewLine
Next
VB.NET获取硬盘信息的几种方法
总结：在VB.NET中，用API函数可以获取硬盘信息。原来熟悉API函数VB6程序员，可以对API函数声明进行适当的更改后，进行调用。利用FSO（文件系统对象）的Scrrun.DLL，也可以获得磁盘信息。
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)
Next
'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)
Next
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)
Next
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)
Next
'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)
Next
End Sub
End Class
VB.NET 中使用 combobox 控件获取磁盘信息
先引用 System.ManageMent
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim HDDDeviceQuery As New Management.SelectQuery("Win32_DiskDrive")
Dim HDDDeviceSearch As New Management.ManagementObjectSearcher(HDDDeviceQuery)
Dim HDDDeviceInfo As Management.ManagementObject
For Each HDDDeviceInfo In HDDDeviceSearch.Get()
ComboBox1.Items.Add("HDD Description: " HDDDeviceInfo("caption").ToString())
ComboBox1.Items.Add("HDD BytesPerSector: " HDDDeviceInfo("BytesPerSector").ToString())
'ComboBox1.Items.Add("HDD CompressionMethod: " HDDDeviceInfo("CompressionMethod").ToString())
ComboBox1.Items.Add("HDD Index: " HDDDeviceInfo("Index").ToString())
'ComboBox1.Items.Add("HDD InstallDate: " HDDDeviceInfo("InstallDate").ToString())
ComboBox1.Items.Add("HDD Manufacturer: " HDDDeviceInfo("Manufacturer").ToString())
ComboBox1.Items.Add("HDD Partitions: " HDDDeviceInfo("Partitions").ToString() Space(1) GetLastDev())
ComboBox1.Items.Add("HDD Size: " Int(Val(HDDDeviceInfo("Size").ToString()) / 2 ^ 30) " GBytes")
ComboBox1.Items.Add("HDD TotalCylinders: " HDDDeviceInfo("TotalCylinders").ToString())
ComboBox1.Items.Add("HDD TotalSectors: " HDDDeviceInfo("TotalSectors").ToString())
ComboBox1.Items.Add("HDD TracksPerCylinder: " HDDDeviceInfo("TracksPerCylinder").ToString())
ComboBox1.Items.Add("HDD TotalHeads: " HDDDeviceInfo("TotalHeads").ToString())
ComboBox1.Items.Add("HDD TotalTracks: " HDDDeviceInfo("TotalTracks").ToString())
ComboBox1.Items.Add("HDD SectorsPerTrack: " HDDDeviceInfo("SectorsPerTrack").ToString())
ComboBox1.Items.Add("HDD SCSILogicalUnit: " HDDDeviceInfo("SCSILogicalUnit").ToString())
Next
End Sub
Public Function GetLastDev() As String
GetLastDev = ""
Dim r As Short = My.Computer.FileSystem.Drives.Count
For i As Short = 0 To r - 1 Step 1
GetLastDev = GetLastDev My.Computer.FileSystem.Drives(i).Name ":"
Next
Return GetLastDev
End Function
End Class
vb.net获取系统windows路径
系统路径
System.Environment.SystemDirectory
然后自己再拼那个临时路径
为了确定路径是否存在，别忘了进行验证。
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