private void AddSlider(string name) { if (sliderPanel == null) { var tp = new TabPage("Sliders"); tabControl1.TabPages.Add(tp); sliderPanel = new FlowLayoutPanel(); sliderPanel.Name = "sliderPanel"; tp.Controls.Add(sliderPanel); sliderPanel.Dock = DockStyle.Fill; } JoySlider s = new JoySlider(); s.Caption = name; s.Name = name; sliderPanel.Controls.Add(s); }