'宣言 Public Class C1ComboBoxItemCollection Inherits C1.Web.Wijmo.Controls.Base.Collections.C1ObservableItemCollection(Of C1ComboBox,C1ComboBoxItem)
public class C1ComboBoxItemCollection : C1.Web.Wijmo.Controls.Base.Collections.C1ObservableItemCollection<C1ComboBox,C1ComboBoxItem>