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📄 getdrive.frm

📁 vb得100个编程实例
💻 FRM
字号:
VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "获得系统的信息"
   ClientHeight    =   4530
   ClientLeft      =   2100
   ClientTop       =   345
   ClientWidth     =   6300
   LinkTopic       =   "Form1"
   ScaleHeight     =   4530
   ScaleWidth      =   6300
   Begin VB.ComboBox Combo1 
      Height          =   285
      Left            =   120
      TabIndex        =   0
      Top             =   600
      Width           =   1935
   End
   Begin VB.Shape Shape3 
      Height          =   2505
      Left            =   3000
      Top             =   1920
      Width           =   3135
   End
   Begin VB.Shape Shape2 
      Height          =   1575
      Left            =   3000
      Top             =   240
      Width           =   3135
   End
   Begin VB.Shape Shape1 
      Height          =   3015
      Left            =   0
      Top             =   120
      Width           =   2895
   End
   Begin VB.Label Label11 
      AutoSize        =   -1  'True
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   195
      Left            =   3120
      TabIndex        =   11
      Top             =   4110
      Width           =   105
   End
   Begin VB.Label Label10 
      AutoSize        =   -1  'True
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   195
      Left            =   3120
      TabIndex        =   10
      Top             =   3630
      Width           =   105
   End
   Begin VB.Label Label9 
      Caption         =   "选择驱动器"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   120
      TabIndex        =   9
      Top             =   240
      Width           =   1815
   End
   Begin VB.Label Label8 
      AutoSize        =   -1  'True
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   195
      Left            =   3120
      TabIndex        =   8
      Top             =   3100
      Width           =   105
   End
   Begin VB.Label Label7 
      AutoSize        =   -1  'True
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   195
      Left            =   3120
      TabIndex        =   7
      Top             =   2595
      Width           =   105
   End
   Begin VB.Label Label6 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   3120
      TabIndex        =   6
      Top             =   2160
      Width           =   2655
   End
   Begin VB.Label Label5 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   3120
      TabIndex        =   5
      Top             =   1320
      Width           =   2895
   End
   Begin VB.Label Label4 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   3120
      TabIndex        =   4
      Top             =   600
      Width           =   2895
   End
   Begin VB.Label Label3 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   240
      TabIndex        =   3
      Top             =   2400
      Width           =   2415
   End
   Begin VB.Label Label2 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   240
      TabIndex        =   2
      Top             =   1800
      Width           =   2415
   End
   Begin VB.Label Label1 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   240
      TabIndex        =   1
      Top             =   1200
      Width           =   2415
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Private Type SYSTEM_INFO
        dwOemID As Long
        dwPageSize As Long
        lpMinimumApplicationAddress As Long
        lpMaximumApplicationAddress As Long
        dwActiveProcessorMask As Long
        dwNumberOrfProcessors As Long
        dwProcessorType As Long
        dwAllocationGranularity As Long
        dwReserved As Long
End Type

Private Type MEMORYSTATUS
        dwLength As Long
        dwMemoryLoad As Long
        dwTotalPhys As Long
        dwAvailPhys As Long
        dwTotalPageFile As Long
        dwAvailPageFile As Long
        dwTotalVirtual As Long
        dwAvailVirtual As Long
End Type

Const SM_CXSCREEN = 0
Const SM_CYSCREEN = 1

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 Declare Sub GlobalMemoryStatus Lib "kernel32" (lpBuffer As MEMORYSTATUS)
Private Declare Sub GetSystemInfo Lib "kernel32" (lpSystemInfo As SYSTEM_INFO)
Private Declare Function GetSystemMetrics Lib "user32" (ByVal nIndex As Long) As Long
Private Declare Function WNetGetConnection Lib "mpr.dll" Alias "WNetGetConnectionA" (ByVal lpszLocalName As String, ByVal lpszRemoteName As String, cbRemoteName As Long) As Long

Dim sinfo As SYSTEM_INFO
Dim minfo As MEMORYSTATUS

Private Sub Combo1_Click()
  Dim x As Long
  Dim cl1 As Long
  Dim cl2 As Long
  Dim sec1 As Long
  Dim byt1 As Long
  Dim buff As String
  
  buff = Combo1.Text + ":\"
  x = GetDriveType(buff)
  Select Case x
    Case 2
      Label1.Caption = "该驱动器是可移动驱动器"
    Case 3
      Label1.Caption = "该驱动器是固定驱动器"
    Case 4
      Label1.Caption = "该驱动器是网络驱动器"
    Case 5
      Label1.Caption = "该驱动器是CD-ROM驱动器"
    Case 6
      Label1.Caption = "该驱动器是RAMDISK驱动器"
    Case Else
      Label1.Caption = "该驱动器无效"
  End Select
  x = GetDiskFreeSpace(buff, sec1, byt1, cl1, cl2)
  If x Then
    cl1 = cl1 * sec1 * byt1
    cl2 = cl2 * sec1 * byt1
    Label2.Caption = "该驱动器总共容量" + Format$(cl2, "##########0") + " 字节"
    Label3.Caption = "该驱动器可用容量" + Format$(cl1, "##########0") + " 字节"
  Else
    Label2.Caption = ""
    Label3.Caption = ""
  End If
End Sub


Private Sub Form_Load()
  Dim x As Long
  Dim buff As String
  
  For i = 0 To 25
    buff = Chr$(65 + i) + ":\"
    x = GetDriveType(buff)
    If x > 1 Then
      Combo1.AddItem Chr$(65 + i)
    End If
  Next i
  Combo1.Text = "C"
  Combo1_Click
  x = GetSystemMetrics(SM_CXSCREEN)
  Label4.Caption = "显示器水平分辨率    " + Str$(x)
  x = GetSystemMetrics(SM_CYSCREEN)
  Label5.Caption = "显示器垂直分辨率    " + Str$(x)
  Call GetSystemInfo(sinfo)
  
  Select Case sinfo.dwProcessorType
    Case 386
    Case 486
    Case 586
      Label6.Caption = "计算机处理器类型     P5"
    Case Else
  End Select
  Call GlobalMemoryStatus(minfo)
  Label7.Caption = "物理内存总容量 " + Str$(minfo.dwTotalPhys) + " 字节"
  Label8.Caption = "可用物理内存  " + Str$(minfo.dwAvailPhys) + " 字节"
  Label10.Caption = "虚拟内存总容量 " + Str$(minfo.dwTotalVirtual) + " 字节"
  Label11.Caption = "可用虚拟内存   " + Str$(minfo.dwAvailVirtual) + " 字节"
End Sub

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