public void AddItem(SequenceBarItem item) { var menu = new ToolStripMenuItem(item.Label); menu.ToolTipText = item.Label; menu.AutoSize = false; menu.Height = menuStrip.Height; menu.BackColor = NewColor(); menu.MouseDown += MenuItem_MouseDown; menu.MouseUp += MenuItem_MouseUp; menu.MouseMove += MenuItem_MouseMove; menu.Tag = item; UpdateWidthFromRatio(menu); menuStrip.Items.Add(menu); }