Check before UnMapping Network Drive Letter

I have the following code to Un-Map a drive letter.  What I would like assistance with is code to determine if DriveLetter is actually a mapped network drive.

Public Function UnMapDrive(ByVal DriveLetter As String) As Boolean
          Dim rc As Integer


''''''' - code here to determine if DriveLetter is actually a mapped network drive '''''''


            rc = WNetCancelConnection2(DriveLetter & ":", 0, ForceDisconnect)

                 If rc = 0 Then
                Return True
            Else
                Return False
            End If

          End Function
gpchicago08Asked:
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dericstoneCommented:
Try using System.IO.DriveInfo class and looking at DriveType.

http://msdn.microsoft.com/en-us/library/system.io.drivetype(v=VS.90).aspx
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gpchicago08Author Commented:
PERFECT! Thanks!
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