TESTER SI UN LECTEUR (RESEAU OU NON) EST ACCESSIBLE ET/OU EXISTE

'********************************************************************************************
' Name       : xIsDriveReady
' Purpose    : Test if a drive is exist and is ready to be used
' Syntax     : xIsDriveReady(DriveName)
' Parameters : DriveName : The drive name or full path.
'              eg: "c", "c:", "c:windows", or "my computermy directory"
' Return     : True is the drive is ready, False if it is not
'********************************************************************************************
Public Function xIsDriveReady(ByVal DriveName As String) As Boolean
    Dim objFileSys  As Object
    Dim objDrive    As Object
    Dim strDrive    As String
    
    On Error GoTo DriveError
    
    If Left(DriveName, 1) = "" Then
        strDrive = DriveName                    ' If it is a network path, then let it as it is.
    Else
        strDrive = Left(DriveName, 1) & ":"     ' Create the drive name, to be sure it is in the correct format. eg: "C:"
    End If
    Set objFileSys = CreateObject("Scripting.FileSystemObject")     ' Create the filesystem object
    Set objDrive = objFileSys.GetDrive(CStr(strDrive))
    If objFileSys.DriveExists(strDrive) Then                        ' Test if the drive exist
        xIsDriveReady = objDrive.IsReady                            ' Test if it is ready to be used
    Else
        xIsDriveReady = False
    End If
    Exit Function
    
DriveError:
    xIsDriveReady = False
End Function