'宣言 Public MustInherit Class C1PickerBase Inherits C1.Win.Input.Base.C1DropDownControlBase Implements C1.Framework.IDropDownOwner, C1.Framework.IView, C1.Win.Input.Base.IDropDownControlBase
public abstract class C1PickerBase : C1.Win.Input.Base.C1DropDownControlBase, C1.Framework.IDropDownOwner, C1.Framework.IView, C1.Win.Input.Base.IDropDownControlBase