When an owner window of the menu item decides how the menu item should look, then the menu item is known as Owner Drawn Menu. The default windows provided menu has a standard look and feel. We cannot add Red and blue-colored boxes as a menu item through the resource editor. In this Example, we will see how can we display only color boxes as a menu item under the color menu. Here, we will learn the need for the WM_DRAWITEM and WM_MEASUREITEM windows messages.