The C1ToolBarSplitButton object defines a split toolbar button. The toolbar split button includes a list of toolbar items like the toolbar dropdown list button, but its toolbar items in the dropdown list appear only when you click the drop down side of the split button.

C1.Web.UI.Controls.C1ToolBar.C1ToolBarSplitButton = function();

Type.createClass(
	'C1.Web.UI.Controls.C1ToolBar.C1ToolBarSplitButton',
	Client_C1.Web.UI.Controls.C1ToolBar.C1ToolBarDropDownBase);