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VB.NET 中使用 combobox 控件獲取磁盤信息
先引用 System.ManageMent
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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 磁盤文件列表，界面如圖，在.net下如何實(shí)現(xiàn)？
預(yù)先準(zhǔn)備三個(gè)圖標(biāo)文件，用于樹型控件中顯示磁盤符號和文件夾的圖像之用。
1、窗體上添加控件如下：
組合框控件 ComboBox1，樹型控件 TreeView1，列表框控件 ListBox1，圖像列表控件 ImageList1。
選中TreeView1，設(shè)置其ImageList屬性為ImageList1。
2、設(shè)置屬性
選中圖像列表控件 ImageList1，在屬性窗口里，選中屬性Images，單擊三個(gè)小點(diǎn)按鈕，出現(xiàn)圖像集合編輯器窗口，單擊[添加按鈕]，一一把準(zhǔn)備好的圖標(biāo)文件進(jìn)行添加，注意先后次序，如果不符合要求可以通過上下移動按鈕重新改變次序。完成后單擊[確定]。
運(yùn)行圖如下：
完整代碼如下：
Imports?System.IO
Public?Class?Form1
Private?Sub?Form1_Load(ByVal?sender?As?System.Object,?ByVal?e?As?System.EventArgs)?Handles?MyBase.Load
'添加系統(tǒng)所有磁盤目錄符號
For?Each?MyDrive?As?String?In?Environment.GetLogicalDrives()
ComboBox1.Items.Add(MyDrive)
Next
'顯示第一個(gè)磁盤符號
ComboBox1.Text?=?ComboBox1.Items(0)
End?Sub
'遞歸過程添加目錄樹
Public?Sub?AddDirectory(ByVal?strFatherPath?As?String,?ByVal?strPath?As?String,?ByVal?nodeFather?As?TreeNode)
Dim?i?As?Integer
Dim?Mynode?As?New?TreeNode
'先添加本目錄
Mynode.Text?=?Strings.Replace(strPath,?strFatherPath??"\",?"",?,?1)
'為節(jié)點(diǎn)指定未被選中時(shí)顯示的圖標(biāo)
Mynode.ImageIndex?=?1
'為節(jié)點(diǎn)指定被選中時(shí)顯示的圖標(biāo)
Mynode.SelectedImageIndex?=?2
nodeFather.Nodes.Add(Mynode)
Application.DoEvents()
Try
Dim?str()?As?String?=?Directory.GetDirectories(strPath)
'遞歸遍歷該目錄的子文件夾
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
'根據(jù)給出的盤符添加目錄樹
Private?Sub?AddRootDirectory(ByVal?DiscSymbol?As?String)
Dim?Nynode?As?New?TreeNode
'先把磁盤盤符添加到樹中
TreeView1.Nodes.Clear()
Nynode.ImageIndex?=?0
Nynode.Text?=?DiscSymbol
Nynode.SelectedImageIndex?=?-1
TreeView1.Nodes.Add(Nynode)
Dim?i?As?Integer
'獲取磁盤根目錄下的文件夾
Dim?str()?As?String?=?Directory.GetDirectories(DiscSymbol??"\")
For?i?=?0?To?str.GetUpperBound(0)
'調(diào)用遞歸過程遍歷該文件夾里的所有子文件夾，并添加到樹型控件
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
'根據(jù)磁盤符號的變更，顯示根目錄里的文件
ListBox1.Items.Clear()
For?Each?MyFile?As?String?In?System.IO.Directory.GetFiles(ComboBox1.Text)
ListBox1.Items.Add(MyFile)
Next
'根據(jù)磁盤符號的變更，重新顯示目錄樹
Dim?DiscSymbol?As?String
DiscSymbol?=?Microsoft.VisualBasic.Left(ComboBox1.Text,?Len(ComboBox1.Text)?-?1)
Call?AddRootDirectory(DiscSymbol)
End?Sub
'遞歸過程根據(jù)子目錄尋找上級目錄名--從而構(gòu)成完整的目錄路徑
Private?Sub?AllPath(ByVal?ThisNode?As?TreeNode,?ByRef?MyPathName?As?String)
If?ThisNode.Level??1?Then
'該節(jié)點(diǎn)層數(shù)大于1，其父節(jié)點(diǎn)不是磁盤根目錄
MyPathName?=?ThisNode.Parent.Text??"\"??MyPathName
Dim?MyNode?As?TreeNode?=?ThisNode.Parent
Call?AllPath(MyNode,?MyPathName)
Else
'該節(jié)點(diǎn)層數(shù)等于1，其父節(jié)點(diǎn)就是磁盤根目錄
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
'為了搜索選中的節(jié)點(diǎn)對應(yīng)目錄的文件，需要組成全路徑
Dim?MyAllPathName?As?String?=?TreeView1.SelectedNode.Text
Dim?MyNode?As?TreeNode?=?TreeView1.SelectedNode
If?TreeView1.SelectedNode.Level?=?0?Then
'如果選中的是根節(jié)點(diǎn)
MyAllPathName?=?ComboBox1.Text
Else
'如果選中的是非根節(jié)點(diǎn)，調(diào)用遞歸過程組成全路徑
Call?AllPath(MyNode,?MyAllPathName)
MyAllPathName?=?MyAllPathName??"\"
End?If
'根據(jù)路徑，搜索文件名并顯示
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如何獲取電腦中的所有盤符
首先使用 System.IO.DriveInfo.GetDrives()獲取System.IO.DriveInfo，存入ds()
然后遍歷ds，獲取各個(gè)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 + " " '驅(qū)動器類型
TextBox1.Text = TextBox1.Text + ds(i).Name + " " '盤符（驅(qū)動器名）
TextBox1.Text = TextBox1.Text + ds(i).IsReady.ToString + " " '是否就緒
If ds(i).IsReady = True Then
TextBox1.Text = TextBox1.Text + ds(i).VolumeLabel + " " '卷標(biāo)
TextBox1.Text = TextBox1.Text + ds(i).TotalSize.ToString + " " '驅(qū)動器容量
TextBox1.Text = TextBox1.Text + ds(i).TotalFreeSpace.ToString '驅(qū)動器可用容量
End If
TextBox1.Text = TextBox1.Text + vbNewLine
Next
文章標(biāo)題：vb.net獲取磁盤文件 vbnet config文件讀取
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