分辨率、卷标、序列号、分区表的读出

王朝vb·作者佚名  2006-01-08
窄屏简体版  字體: |||超大  

Option Explicit

Private Declare Function GetVolumeInformation Lib "kernel32.dll" Alias "GetVolumeInformationA" (ByVal lpRootPathName As String, ByVal lpVolumeNameBuffer As String, ByVal nVolumeNameSize As Integer, lpVolumeSerialNumber As Long, lpMaximumComponentLength As Long, lpFileSystemFlags As Long, ByVal lpFileSystemNameBuffer As String, ByVal nFileSystemNameSize As Long) As Long

Const FILE_VOLUME_IS_COMPRESSED = &H8000

Function GetSerialNumber(strDrive As String) As Long

Dim SerialNum As Long

Dim Res As Long

Dim Temp1 As String

Dim Temp2 As String

Temp1 = String$(255, Chr$(0))

Temp2 = String$(255, Chr$(0))

Res = GetVolumeInformation(strDrive, Temp1, Len(Temp1), SerialNum, 0, 0, Temp2, Len(Temp2))

MsgBox Temp1

MsgBox Temp2

MsgBox Hex(SerialNum)

GetSerialNumber = SerialNum

End Function

Public Sub GetVolInfo(ByVal path As String)

Dim aa As Long

Dim VolName As String

Dim fsysName As String

Dim VolSeri As Long, compress As Long

Dim Sysflag As Long, Maxlen As Long

'初试化字符串的长度

VolName = String(255, 0)

fsysName = String(255, 0)

aa = GetVolumeInformation(path, VolName, 256, VolSeri, Maxlen, _

Sysflag, fsysName, 256)

VolName = Left(VolName, InStr(1, VolName, Chr(0)) - 1)

fsysName = Left(fsysName, InStr(1, fsysName, Chr(0)) - 1)

compress = Sysflag And FILE_VOLUME_IS_COMPRESSED

If compress = 0 Then

MsgBox "未压缩驱动器"

Else

MsgBox "压缩驱动器"

End If

MsgBox "驱动器卷标 :" + VolName

MsgBox "驱动器标号 : " + Hex(VolSeri)

MsgBox "驱动器文件系统 (FAT, HPFS, or NTFS)" + fsysName

MsgBox "支持的文件名长度" + Str$(Maxlen)

End Sub

Private Sub Command1_Click()

MsgBox GetSerialNumber("C:\")

End Sub

Private Sub Command2_Click()

Call GetVolInfo("C:\")

End Sub

Private Sub Command3_Click()

Dim cr As String

Dim Twidth As Integer

Dim Theight As Integer

cr = Chr$(13) + Chr$(10)

Twidth% = Screen.Width \ Screen.TwipsPerPixelX

Theight% = Screen.Height \ Screen.TwipsPerPixelY

MsgBox "屏幕大小为" + cr + cr + Str$(Twidth%) + " x" + Str$(Theight%), 64, "Info"

End Sub

 
 
 
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