Private Sub _flex_Click(sender As Object, e As MouseButtonEventArgs) Handles _flex.Click
Dim ht As C1.WPF.FlexGrid.HitTestInfo = _flex.HitTest(e)
MessageBox.Show("クリックされたセル\n" + Chr(13) + Chr(10) +
"行:" + ht.Row.ToString() + Chr(13) + Chr(10) +
"列:" + ht.Column.ToString())
End Sub