[kslawy]

كود :

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        ListView1.HideSelection = False
        If ListView1.Items.Count > 0 Then
            For Each itm As ListViewItem In ListView1.CheckedItems
                itm.Selected = True
            Next
        End If
    End Sub