My.Computer.FileSystem.GetDriveInfo Method
Returns a DriveInfo object for the specified drive.
' Usage
Dim value As System.IO.DriveInfo = My.Computer.FileSystem.GetDriveInfo(drive)
' Declaration
Public Function GetDriveInfo( _
ByVal drive As String _
) As System.IO.DriveInfo
Parameters
- drive
String. Drive to be examined. Required.
Return Value
Exceptions
The following conditions may cause an exception:
The path is not valid for one of the following reasons: it is a zero-length string; it contains only white space; it contains invalid characters; or it is a device path (starts with \\.\) (ArgumentException).
The path is not valid because it is Nothing (ArgumentNullException).
The path exceeds the system-defined maximum length (PathTooLongException).
A file or folder name in the path contains a colon (:) or is in an invalid format (NotSupportedException).
The user lacks necessary permissions to view the path (SecurityException).
Remarks
The DriveInfo class models a drive and provides methods and properties to query for drive information. Use DriveInfo to determine what drives are available, and what type of drives they are. You can also query the property to determine the capacity and available free space on the drive.
Tasks
The following table lists examples of tasks involving the My.Computer.FileSystem.GetDriveInfo method.
To |
See |
|---|---|
Determine a drive's volume label |
|
Determine a drive's type |
|
Determine a drive's total space |
|
Determine a drive's physical free space |
How to: Determine a Drive's Physical Free Space in Visual Basic |
Determine a drive's root folder |
Example
This example obtains a DriveInfo object for the C drive and uses it to display information about the drive.
Dim getInfo As System.IO.DriveInfo
getInfo = My.Computer.FileSystem.GetDriveInfo("C:\")
MsgBox("The drive's type is " & getInfo.DriveType)
MsgBox("The drive has " & getInfo.TotalFreeSpace & " bytes free.")
For information on the different drive types, see DriveType.
Requirements
Namespace:Microsoft.VisualBasic.MyServices
Class:FileSystemProxy (provides access to FileSystem)
Assembly: Visual Basic Runtime Library (in Microsoft.VisualBasic.dll)
Availability by Project Type
Project type |
Available |
|---|---|
Windows Application |
Yes |
Class Library |
Yes |
Console Application |
Yes |
Windows Control Library |
Yes |
Web Control Library |
Yes |
Windows Service |
Yes |
Web Site |
Yes |
Permissions
The following permission may be necessary:
Permission |
Description |
|---|---|
Controls the ability to access files and folders. Associated enumeration: Unrestricted. |
For more information, see Code Access Security and Requesting Permissions.