public static System.Windows.Forms.Panel add_GraphOptions(this System.Windows.Forms.Control control, GraphLayout graphLayout)
{
var targePanel = control.insert_Below <System.Windows.Forms.Panel>(25);
var label = targePanel.add_Label("Select graph Layout", 0, 5);
var OptionsLayoutCombox = label.append_Control <System.Windows.Forms.ComboBox>().dropDownList();
OptionsLayoutCombox.add_Items(new List <string> {
"Tree",
"CompoundFDP",
"LinLog",
"ISOM",
"KK",
"BoundedFR",
"FR",
"Circular"
});
OptionsLayoutCombox.select_Item(0);
OptionsLayoutCombox.onSelection(() => graphLayout.layout(OptionsLayoutCombox.get_Text()));
OptionsLayoutCombox.append_Link("refresh", () => graphLayout.layout(OptionsLayoutCombox.get_Text()))
.append_Link("animate Graph Layouts", () => graphLayout.showAllLayouts(2000));
return(targePanel);
}