'宣言 Protected Overloads Overridable Sub DoDefaultAction( _ ByVal button As EditorButtonBase.EditorButtonBaseUIAProviderStub, _ ByVal parent As EmbeddableEditorBase.EmbeddableEditorUIAProviderStub _ )
protected virtual void DoDefaultAction( EditorButtonBase.EditorButtonBaseUIAProviderStub button, EmbeddableEditorBase.EmbeddableEditorUIAProviderStub parent )