protected override void OnMouseDown(MouseEventArgs e) { base.OnMouseDown(e); if (e.Button == MouseButtons.Left) { if (mouseEnterItem != null) { if (selectedItem != null) { InvalidAItem(selectedItem); } selectedItem = mouseEnterItem; InvalidAItem(selectedItem); SelectedtndexChanged?.Invoke(this, null); } } }
private void OnSelectedtndexChanged(EventArgs e) { SelectedtndexChanged?.Invoke(this, e); }