You can find the demo's code inMouseEventDemo.javaandBlankArea.java. Here is the demo's mouse event handling code: public class MouseEventDemo ... implements MouseListener {//where initialization occurs://Regis
For example, when the user clicks on the mouse, the environment generates an event that it sends to the program. The program must then figure out what the mouse click means and act accordingly.This chapter covers two different event models, or ways of handling events. In Java 1.0.2 and ...
If 16-bit addressing is used (for code or data) only a single 64K segment will be accessed. The memory model of a program defines how different parts of that program (code and data) access memory segments. Five memory models are supported by MASM for DOS programs: Small, Medium, Compact...
The Java SE 7 Advanced Platform, available for Java SE Suite, Java SE Advanced, and Java SE Support customers, is based on the current Java SE 7 release. For more information on installation and licensing of Java SE Suite and Java SE Advanced, visit Java SE Products Overview. See the fol...
Error Handling The Java programming language uses exceptions to handle errors and other unexpected events. Anexceptionis an event that occurs during the execution of a program and that disrupts the normal flow of the program's instructions. When an error occurs within a method, the method creates...
awt.event.MouseEvent; import java.awt.event.WindowEvent; import java.awt.event.WindowFocusListener; import javax.swing.SwingUtilities; import javax.swing.Timer; /** * 为窗体添加鼠标事件监听器 * * @author Darkness * @version 1.0 * @since JDF 1.0 */ public class WindowMouseListener extends ...
There are two fundamental ways for users to provide input to a program: they can type on a keyboard, or they can select something (a button, a menu item, etc.) using a mouse. When you want a user to provide input to your program, you can display a list of choices to choose from...
New Feature: JDK Flight Recorder Event for Deserialization A new JDK Flight Recorder (JFR) event has been added to monitor deserialization of objects. When JFR is enabled and the JFR configuration includes deserialization events, JFR will emit an event whenever the running program attempts to deseri...
mouse, key, and focus events. The low-level events and the subcomponent that fires them are look-and-feel-dependent. To avoid writing look-and-feel-dependent code, you should listen only for high-level events on a compound component such as a combo box. For information about events, ...
- various enhancements to the stacked area XY charts; - added a completion indicator for the Gantt chart; - range and domain markers can now be placed in the foreground or the background; - more fixes for cloning and serialization; - fixed mouse event bug for combined charts; - fixed ...