www.pudn.com > JavaMailWithGUI.rar > Application.java

import java.awt.Dimension; 
import java.awt.Toolkit; 
 
/* 
 * Created on 2004-12-20 
 * 
 * To change the template for this generated file go to 
 * Window>Preferences>Java>Code Generation>Code and Comments 
 */ 
 
/** 
 * @author liujinghua 
 * 
 * To change the template for this generated type comment go to 
 * Window>Preferences>Java>Code Generation>Code and Comments 
 */ 
 
public class Application { 
	boolean packFrame = false; 
		/*构造函数*/ 
		public Application() { 
			MainFrame frame = new MainFrame(); 
 
			if (packFrame) { 
				frame.pack(); 
			} else { 
				frame.validate(); 
			} 
			 
			//得到窗口尺寸 
			Dimension screenSize =  
				Toolkit.getDefaultToolkit().getScreenSize(); 
			//得到框架尺寸 
			Dimension frameSize  = frame.getSize(); 
			 
			if (frameSize.height > screenSize.height) { 
				frameSize.height = screenSize.height; 
			}	//框架高度不得高于屏幕高度 
			if (frameSize.width > screenSize.width) { 
				frameSize.width = screenSize.width; 
			}	//框架宽度不得宽于屏幕宽度 
			 
			//将窗口居中显示 
			frame.setLocation( 
				(screenSize.width - frameSize.width) / 2, 
				(screenSize.height - frameSize.height) / 2); 
			//显示窗口 
			frame.setVisible(true);	// 
		} 
 
 
		/*主函数*/ 
		public static void main(String[] args) { 
			new Application(); 
		} 
}