'宣言 Public Function New( _ ByVal button As EditorButtonBase, _ ByVal parent As FragmentUIAProviderStub, _ ByVal fragmentRoot As FragmentRootUIAProviderStub _ )
public EditorButtonBase.DropDownEditorButtonUIAProviderStub( EditorButtonBase button, FragmentUIAProviderStub parent, FragmentRootUIAProviderStub fragmentRoot )