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finding Harddisk's serial number

Posted on 2000-03-06
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Last Modified: 2010-08-05

How to find the Harddisk's serial number through my program in VB.
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Question by:SRIVB
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Ruchi earned 20 total points
ID: 2588117
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

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))

GetSerialNumber = SerialNum

End Function

Private Sub cmdSerial_Click()
Call MsgBox(GetSerialNumber("C:\"))
End Sub
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Expert Comment

by:ggilman
ID: 2588567
Tried Ruchi's answer because I was curious too and works well. Only comment I have is that if you want to compare it to what you get at the command prompt by typing "dir", use the hex function:

Call MsgBox(Hex(GetSerialNumber("C:\")))
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by:Ruchi
ID: 2630764
Hello where are you, SRIVB?
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Expert Comment

by:Ruchi
ID: 2662950
SRIVB, where are you?
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Expert Comment

by:Ruchi
ID: 2668291
srivb, any news here?
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Author Comment

by:SRIVB
ID: 2673050
Sorry for the delay..

I worked out your answer, but it only gives the volume serial number.  But I want to find the physical id of the hard disk which was created by the manufacturer of the disk.
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