Delete a directory with exception catch : Dictionary « Collections « VB.Net Tutorial

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Imports System.IO

Public Class Tester
    Public Shared Sub Main
    
        Try
            System.IO.Directory.Delete("c:\a")
        Catch ex As Exception
            Console.WriteLine(ex.ToString)
        Finally
            Beep()
        End Try
    

    End Sub

End Class

System.IO.IOException: The directory is not empty.

   at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
   at System.IO.Directory.DeleteHelper(String fullPath, String userPath, Boolean recursive)
   at System.IO.Directory.Delete(String fullPath, String userPath, Boolean recursive)
   at Tester.Main()