extraguidemo5.java

JAVA程序设计课程中各章节的程序实例。

/**
*A file dialog demonstration program
*FileDialog provides a basic file open/save dialog box that enables accessibility
* to the file system.The FileDialog is system-independent,but depending on the 
* platform,the standard open/save dialog is brought up
*Steps to create a FileDialog:
*1.using the following constructor:
	FileDialog(Frame,String,int)
	The int argument specifies the mode,i.e.either FileDialog.LOAD for file open
	 or FileDialog.SAVE for file save.
*2.Create an instance of FileDialog class
*3.use the show() method to display it.  
*2005.1.11. xhcprince
*/

import java.awt.*;

public class extraGUIDemo5
{
	public static void main(String args[])
	{
		Myframe f = new Myframe("My window");
		f.setVisible(true);
		f.setSize(400,300);
		
		FileDialog fd = new FileDialog(f,"open",FileDialog.LOAD);
		fd.show();
//		fd.setVisible(true);it's right too!
	}
}

class Myframe extends Frame
{
	Myframe(String name)
	{
		super(name);
	}
}