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How to: Determine a Drive's Total Space in Visual Basic

The GetDriveInfo method provides a DriveInfo object that can be queried for information about a drive on a computer. You can use the TotalSize property to determine the amount of space on a drive. Attempting to access the property without sufficient permission will throw a SecurityException exception.

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To determine the total amount of disk space on a drive

  • Use the TotalSize property to determine the total amount of space on the drive, as illustrated in the following code:

    
    Dim cdrive As System.IO.DriveInfo
    cdrive = My.Computer.FileSystem.GetDriveInfo("C:\")
    MsgBox(cdrive.TotalSize)
    
    
    
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