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How to: Determine a Drive's Format in Visual Basic
The My.Computer.FileSystem.GetDriveInfo Method provides a DriveInfo object that can be queried for information about a drive on a computer. You can use the DriveFormat property to determine the drive format. Attempting to access the property without sufficient permission throws a SecurityException exception.
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To determine a drive's format
Use the DriveFormat property to determine the drive format, as illustrated in the following code.