How to select-deselect the images in a filelistview control

 Private Sub filesListView_MouseClick(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles filesListView.MouseClick
        Dim listItems As Aurigma.GraphicsMill.WinControls.ThumbnailListItem
        listItems = filesListView.Items(filesListView.HitTest(e.X, e.Y))

        If listItems Is Nothing Then
            Return
        End If
        Dim bRemoved As Boolean = False
        For Each i As Integer In selItemsArray
            If filesListView.Items.IndexOf(listItems) = i Then
                selItemsArray.Remove(i)
                filesListView.Items(i).Selected = False
                bRemoved = True
                Exit For
            End If
        Next
        If Not bRemoved Then
            selItemsArray.Add(filesListView.Items.IndexOf(listItems))
        End If
        For Each i As Integer In selItemsArray
            filesListView.Items(i).Selected = True
        Next
        filesListView.Refresh()

    End Sub