<VB数理统计实用算法>书中的算法源程序

				VERSION 5.00
				Begin VB.Form frmDriveList 
				   Appearance      =   0  'Flat
				   BackColor       =   &H80000005&
				   Caption         =   "驱动器列表"
				   ClientHeight    =   4155
				   ClientLeft      =   60
				   ClientTop       =   450
				   ClientWidth     =   4725
				   LinkTopic       =   "Form1"
				   ScaleHeight     =   4155
				   ScaleWidth      =   4725
				   StartUpPosition =   3  '窗口缺省
				   Begin VB.CommandButton cmdExit 
				      Caption         =   "退出"
				      Height          =   375
				      Left            =   3480
				      TabIndex        =   4
				      Top             =   3600
				      Width           =   975
				   End
				   Begin VB.ListBox lstFree 
				      Height          =   2940
				      Left            =   2400
				      TabIndex        =   2
				      Top             =   480
				      Width           =   2055
				   End
				   Begin VB.ListBox lstAll 
				      Height          =   2940
				      Left            =   240
				      TabIndex        =   0
				      Top             =   480
				      Width           =   1935
				   End
				   Begin VB.Label lblFree 
				      Alignment       =   2  'Center
				      Appearance      =   0  'Flat
				      BackColor       =   &H80000005&
				      Caption         =   "可用空间"
				      ForeColor       =   &H80000008&
				      Height          =   255
				      Left            =   2400
				      TabIndex        =   3
				      Top             =   240
				      Width           =   2055
				   End
				   Begin VB.Label lblAll 
				      Alignment       =   2  'Center
				      Appearance      =   0  'Flat
				      BackColor       =   &H80000005&
				      Caption         =   "总空间"
				      ForeColor       =   &H80000008&
				      Height          =   255
				      Left            =   240
				      TabIndex        =   1
				      Top             =   240
				      Width           =   1935
				   End
				End
				Attribute VB_Name = "frmDriveList"
				Attribute VB_GlobalNameSpace = False
				Attribute VB_Creatable = False
				Attribute VB_PredeclaredId = True
				Attribute VB_Exposed = False
				'frmDriveList窗体
				'使用文件系统对象
				'对驱动器进行扫描，显示驱动器名称和大小
				Option Explicit
				Private Sub Form_Load()
				    Dim objFSO As New FileSystemObject      '根对象
				    Dim objDrive As Drive                   '驱动器对象
				'对驱动器进行扫描
				    For Each objDrive In objFSO.Drives
				        If objDrive.IsReady Then            '驱动器是否准备好
				            If objDrive.DriveType = 2 Then
				                lstAll.AddItem objDrive.Path & _
				                    Int(objDrive.TotalSize / 2 ^ 20) & "兆" & "（固定盘）"
				                lstFree.AddItem objDrive.Path & _
				                    Int(objDrive.FreeSpace / 2 ^ 20) & "兆" & "（固定盘）"
				            End If
				            If objDrive.DriveType = 1 Then
				                lstAll.AddItem objDrive.Path & _
				                    Int(objDrive.TotalSize / 2 ^ 20) & "兆" & "（可移动盘）"
				                lstFree.AddItem objDrive.Path & _
				                    Int(objDrive.FreeSpace / 2 ^ 20) & "兆" & "（可移动盘）"
				            End If
				        End If
				    Next
				End Sub
				
				Private Sub cmdExit_Click()
				    Unload Me
				    frmDatabase.Show
				End Sub