AWT Controls in Java - Explore the various AWT controls in Java, their functionalities, and how to implement them in your applications.
这部分将被覆盖在"事件处理"一章。 每个AWT控件继承组件类的属性。 AWT的UI元素: 以下是常用的控件列表而设计的图形用户界面使用AWT。
It is very tedious to handle a large number of controls within the container. Oftenly the width and height information of a component is not given when we need to arrange them.Java provide us with various layout manager to position the controls. The properties like size,shape and arrangement...
A container can also have a layout manager that controls the visual placement of components in the container. The AWT package contains several layout manager classes and an interface for building your own layout manager. See Container and LayoutManager for more information. Each Component object ...
These are the most common ways which users give instructions to the Java programs. When the user activates one of these controls -- by clicking the button or by pressing the Return in the text field, for example -- it posts the event (ACTION_EVENT). An object which contains the control...
Extensible and flexible. Swing is a library entirely implemented in Java space. Therefore, it controls everything it needs. The architecture of Swing conforms to MVC pattern which exerts many of the advantage of Java as an Object-Oriented languages. In fact, it provides several ways to extend ...
When it comes to Swing, everything becomes clear and straight forward. Except the top containers, Swing implementation depends on nothing of individual platform. It has all the controls and resources. What Swing needs is event inputs to drive the system, and graphics, fonts and colors which ar...
getID(), AWTEvent(java.lang.Object, int) consumed protected boolean consumed Controls whether or not the event is sent back down to the peer once the source has processed it - false means it's sent to the peer; true means it's not. Semantic events always have a 'true' value since th...
We have looked at some of the intrinsic controls in Visual Basic, but so far we have just used them to create attractive-looking user interfaces which do not do anything. All of the controls in Visual Basic not only have a set of properties, but also a set of events associated with ...
java学习:AWT组件和事件处理的笔记(1)--菜单条,菜单,菜单项 菜单放在菜单条里,菜单项放在菜单里1.MenuBar 在java.awt包中,负责创建菜单条,即MenuBar的一个实例,便是一个菜单条. 在Frame类中的setMenuBar(MenuBar bar)方法,可把菜单条添加到窗口的顶端,但只能向窗口中添加一个菜单条2.Menu 在java.awt包中,负...