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VB6编程中如何获取硬盘分区信息





   也许你并不了解硬盘分区信息应该包括些什么,但如果你曾经对硬盘分过区,你或许对此有所了解,在此为各位介绍一个用VB编写的获取硬盘分区信息的程序。在这个程序中,它将详细地告诉你:你的硬盘总容量、分过几个区、每个区的总容量、及现在剩余的可用容量、硬盘分区表为几位(即是FAT32还是FAT16),每个分区是几个字节……怎么样?够完整详细了吧!好的,就让我们一起来看一下吧:

  首先做准备工作:在FORM1上新建二个LABEL(LABEL1和LABEL2)一个COMMAND1命令按钮。然后输入以下代码:

  Private Declare Function GetDriveType Lib

  kernel32“Alias "GetDriveTypeA(ByVal nDrive As String) As Long

  Private Declare Function GetDiskFreeSpace Lib“kernel32" Alias“GetDiskFreeSpaceA" (ByVal lpRootPathName As String, lpSectorsPerCluster As Long, lpBytesPerSector As Long, lpNumberOfFreeClusters As Long, lpTtoalNumberOfClusters As Long) As Long

  Private Const DRIVE_FIXED = 3

  Private Sub Form_Load() '作初始化设置

  COMMAND1.Caption = “测试硬盘"

  Form1.Caption = “测试硬盘程序"

  Label1.WordWrap = True

  Label1.Caption = “"

  Label2.WordWrap = True

  Label2.Caption = “"

  End Sub

  Private Sub COMMAND1_Click()

  Dim DriveNum As Integer

  Dim TempDrive As String

  Dim X As Long

  For DriveNum = 97 To 122 Step 1 '检测从A-Z(盘符)

  TempDrive = GetDriveType(Chr(DriveNum) & “:\")

  Select Case TempDrive '如是3则表示是硬盘,测试你有几个盘

  Case 3: X = GetDiskSpace(Chr(DriveNum)) '调用子程序

  End Select

  Next DriveNum

  End Sub

  Public Function GetDiskSpace(DrivePath As String)

  Dim Drive As String

  Dim SectorsPerCluster As Long

  Dim BytesPerSector As Long

  Dim NumberOfFreeClusters As Long

  Dim TotalClusters As Long

  Dim Check As Integer

  Dim DiskSpace

  Dim diskTotal

  Static AllDiskTotal As Long

  Static NUM As Integer

  NUM = NUM + 1 '分几个区的计算

  Drive = Left(Trim(DrivePath), 1) & “:\"

  Check = GetDiskFreeSpace(Drive, SectorsPerCluster, BytesPerSector, NumberOfFreeClusters, TotalClusters)

  If Check <> 0 Then

  DiskSpace = SectorsPerCluster * BytesPerSector * NumberOfFreeClusters

  '这是一个分区磁盘剩余空间的计算公式

  DiskSpace = Format$(DiskSpace, “###,###") '以规定格式显示,如732,324,231

  diskTotal = SectorsPerCluster * BytesPerSector * TotalClusters

  '这是一个分区磁盘总容量的计算公式

  diskTotal = Format$(diskTotal, “###,###")

  AllDiskTotal = AllDiskTotal + diskTotal '整个硬盘的总容量

  Label1.Caption =“你的硬盘总容量为:” & Format$(AllDiskTotal,“###,###") &个字节,即:” & Left(AllDiskTotal, 1) & . & Mid(AllDiskTotal, 2, 1) &“G,一共分了”& NUM &“个区,其中:"

   Label2.Caption = Label2.Caption & UCase(DrivePath) & “盘的整个容量为:" & diskTotal &“个字节" & ",其剩余磁盘空间为:“& DiskSpace & " 个字节,磁盘已FAT“& SectorsPerCluster & ",每个分区为:“& BytesPerSector & "个字节。“& vbCrLf & vbCrLf”

  End If

  End Function

  OK!现在你运行一下,你是否满意它?

  注:以上程序在中文WINDOWS98,中文VB6.0企业版中调试通过。(上海 季昭君)